{"id":148,"date":"2023-07-23T12:10:00","date_gmt":"2023-07-23T07:40:00","guid":{"rendered":"https:\/\/quera.ir\/blog\/?p=148"},"modified":"2024-08-26T13:45:47","modified_gmt":"2024-08-26T10:15:47","slug":"whats-new-in-php-8-0","status":"publish","type":"post","link":"https:\/\/quera.org\/blog\/whats-new-in-php-8-0\/","title":{"rendered":"\u062a\u063a\u06cc\u06cc\u0631\u0627\u062a PHP 8.0"},"content":{"rendered":"\n<p style=\"font-size:14.5px\">PHP 8.0 \u06cc\u06a9 \u0646\u0633\u062e\u0647 \u0628\u0627 \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0639\u0645\u062f\u0647 \u0648 \u06cc\u06a9 \u0646\u0642\u0637\u0647 \u0639\u0637\u0641 \u0642\u0627\u0628\u0644\u200c\u062a\u0648\u062c\u0647 \u062f\u0631 PHP \u0627\u0633\u062a\u060c \u0632\u06cc\u0631\u0627 \u0686\u0646\u062f\u06cc\u0646 \u0648\u06cc\u0698\u06af\u06cc \u062c\u062f\u06cc\u062f \u0628\u0631\u0627\u06cc \u062a\u0627\u06cc\u067e \u0633\u06cc\u0633\u062a\u0645\u060c \u0633\u06cc\u0646\u062a\u06a9\u0633\u060c \u0645\u062f\u06cc\u0631\u06cc\u062a \u062e\u0637\u0627\u060c \u0631\u0634\u062a\u0647\u200c\u0647\u0627\u060c \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0646\u0648\u06cc\u0633\u06cc \u0634\u06cc\u0621\u200c\u06af\u0631\u0627 \u0648&#8230; \u0627\u0631\u0627\u0626\u0647 \u06a9\u0631\u062f\u0647 \u0627\u0633\u062a.<\/p>\n\n\n\n<p style=\"font-size:14.5px\">PHP \u0633\u0639\u06cc \u0645\u06cc\u200c\u06a9\u0646\u062f \u062f\u0631 \u0645\u0648\u0631\u062f \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a backward incompatible \u06a9\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0628\u062e\u0634\u200c\u0647\u0627\u06cc \u0632\u06cc\u0627\u062f\u06cc \u0627\u0632 \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0647\u0627 \u0631\u0627 \u0628\u0627 \u0645\u0634\u06a9\u0644 \u0645\u0648\u0627\u062c\u0647 \u06a9\u0646\u062f\u060c \u0645\u062d\u0627\u0641\u0638\u0647\u200c\u06a9\u0627\u0631 \u0628\u0627\u0634\u062f \u0648 \u0628\u0627 \u0627\u06cc\u0646 \u0648\u062c\u0648\u062f\u060c \u0686\u0646\u062f\u06cc\u0646 \u0648\u06cc\u0698\u06af\u06cc \u0627\u0633\u0627\u0633\u06cc \u062c\u062f\u06cc\u062f \u0631\u0627 \u062f\u0631 PHP 8.0 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0631\u062f\u0647 \u0627\u0633\u062a.<\/p>\n\n\n\n<p>\u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f <a href=\"https:\/\/php.watch\/versions\/8.0\/named-parameters\" target=\"_blank\" rel=\"noreferrer noopener\">Named Parameters<\/a> \u060c<a href=\"https:\/\/php.watch\/versions\/8.0\/JIT\" target=\"_blank\" rel=\"noreferrer noopener\">JIT<\/a> \u060c<a href=\"https:\/\/php.watch\/versions\/8.0\/attributes\" target=\"_blank\" rel=\"noreferrer noopener\">Attributes<\/a> \u0648 <a href=\"https:\/\/php.watch\/versions\/8.0\/constructor-property-promotion\" target=\"_blank\" rel=\"noreferrer noopener\">Constructor Properties<\/a> \u0627\u0635\u0644\u0627\u062d\u0627\u062a \u0648 \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0646\u062d\u0648\u06cc (syntax) \u0627\u0633\u0627\u0633\u06cc \u0631\u0627 \u0628\u0647 \u0627\u0631\u0645\u063a\u0627\u0646 \u0622\u0648\u0631\u062f\u0647\u200c\u0627\u0646\u062f\u060c \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0627\u0635\u0644\u0627\u062d\u0627\u062a\u06cc \u062c\u0632\u0626\u06cc \u0645\u0627\u0646\u0646\u062f \u0645\u0647\u0627\u062c\u0631\u062a resource \u0628\u0647 \u0634\u06cc\u0621\u060c \u0628\u0647\u0628\u0648\u062f\u200c\u0647\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u062e\u0637\u0627 \u0648 \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0648 \u0628\u0647\u0628\u0648\u062f\u0647\u0627\u06cc \u0639\u0645\u0644\u06af\u0631\u200c\u0647\u0627 \u0648 \u0639\u0645\u0644\u06af\u0631\u0647\u0627\u06cc \u0645\u0642\u0627\u06cc\u0633\u0647\u200c\u0627\u06cc \u0627\u062d\u062a\u0645\u0627\u0644 \u0628\u0627\u06af\u200c\u0647\u0627\u06cc \u0646\u0627\u062f\u06cc\u062f\u0647\u200c\u06af\u0631\u0641\u062a\u0647\u200c\u0634\u062f\u0647 \u0631\u0627 \u06a9\u0627\u0647\u0634 \u0645\u06cc\u200c\u062f\u0647\u0646\u062f.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-black-color has-css-opacity has-black-background-color has-background is-style-dots\"\/>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 counter-hierarchy ez-toc-counter-rtl ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title ez-toc-toggle\" style=\"cursor:pointer\">\u0641\u0647\u0631\u0633\u062a \u0645\u0637\u0627\u0644\u0628<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/quera.org\/blog\/whats-new-in-php-8-0\/#PHP_80_%D8%AF%D8%B1_%DA%86%D9%87_%D8%B2%D9%85%D8%A7%D9%86%DB%8C_%D9%85%D9%86%D8%AA%D8%B4%D8%B1_%D8%B4%D8%AF%D8%9F\" >PHP 8.0 \u062f\u0631 \u0686\u0647 \u0632\u0645\u0627\u0646\u06cc \u0645\u0646\u062a\u0634\u0631 \u0634\u062f\u061f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/quera.org\/blog\/whats-new-in-php-8-0\/#%D9%88%DB%8C%DA%98%DA%AF%DB%8C%E2%80%8C%D9%87%D8%A7%DB%8C_%D8%AC%D8%AF%DB%8C%D8%AF_%D8%A7%D8%B5%D9%84%DB%8C\" >\u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc \u062c\u062f\u06cc\u062f \u0627\u0635\u0644\u06cc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/quera.org\/blog\/whats-new-in-php-8-0\/#%D8%AA%D9%88%D8%A7%D8%A8%D8%B9_%D9%88_%DA%A9%D9%84%D8%A7%D8%B3%E2%80%8C%D9%87%D8%A7%DB%8C_%D8%AC%D8%AF%DB%8C%D8%AF\" >\u062a\u0648\u0627\u0628\u0639 \u0648 \u06a9\u0644\u0627\u0633\u200c\u0647\u0627\u06cc \u062c\u062f\u06cc\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/quera.org\/blog\/whats-new-in-php-8-0\/#%D8%A8%D9%87%D8%A8%D9%88%D8%AF%D9%87%D8%A7%DB%8C_Type_System\" >\u0628\u0647\u0628\u0648\u062f\u0647\u0627\u06cc Type System<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/quera.org\/blog\/whats-new-in-php-8-0\/#%D8%A8%D9%87%D8%A8%D9%88%D8%AF%D9%87%D8%A7%DB%8C_%D9%85%D8%AF%DB%8C%D8%B1%DB%8C%D8%AA_%D8%AE%D8%B7%D8%A7\" >\u0628\u0647\u0628\u0648\u062f\u0647\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u062e\u0637\u0627<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/quera.org\/blog\/whats-new-in-php-8-0\/#%D9%85%D9%87%D8%A7%D8%AC%D8%B1%D8%AA_%D9%85%D9%86%D8%A8%D8%B9_resource_%D8%A8%D9%87_%D8%B4%DB%8C%D8%A1_object\" >\u0645\u0647\u0627\u062c\u0631\u062a \u0645\u0646\u0628\u0639 (resource) \u0628\u0647 \u0634\u06cc\u0621 (object)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/quera.org\/blog\/whats-new-in-php-8-0\/#%D8%AA%D8%BA%DB%8C%DB%8C%D8%B1%D8%A7%D8%AA_%D8%A8%D8%B1%D9%86%D8%A7%D9%85%D9%87%E2%80%8C%D9%86%D9%88%DB%8C%D8%B3%DB%8C_%D8%B4%DB%8C%D8%A1%E2%80%8C%DA%AF%D8%B1%D8%A7_object-oriented_%D8%AF%D8%B1_PHP\" >\u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0646\u0648\u06cc\u0633\u06cc \u0634\u06cc\u0621\u200c\u06af\u0631\u0627 (object-oriented) \u062f\u0631 PHP<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/quera.org\/blog\/whats-new-in-php-8-0\/#%D8%AA%D8%BA%DB%8C%DB%8C%D8%B1%D8%A7%D8%AA_%D9%85%D8%B1%D8%AA%D8%A8%D8%B7_%D8%A8%D8%A7_%D8%B1%D8%B4%D8%AA%D9%87\" >\u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0645\u0631\u062a\u0628\u0637 \u0628\u0627 \u0631\u0634\u062a\u0647<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/quera.org\/blog\/whats-new-in-php-8-0\/#%D8%AC%D9%85%D8%B9%E2%80%8C%D8%A8%D9%86%D8%AF%DB%8C\" >\u062c\u0645\u0639\u200c\u0628\u0646\u062f\u06cc<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading has-medium-font-size\"><span class=\"ez-toc-section\" id=\"PHP_80_%D8%AF%D8%B1_%DA%86%D9%87_%D8%B2%D9%85%D8%A7%D9%86%DB%8C_%D9%85%D9%86%D8%AA%D8%B4%D8%B1_%D8%B4%D8%AF%D8%9F\"><\/span><strong> PHP 8.0<\/strong> <strong>\u062f\u0631 \u0686\u0647 \u0632\u0645\u0627\u0646\u06cc \u0645\u0646\u062a\u0634\u0631 \u0634\u062f\u061f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u067e\u06cc\u200c\u0627\u0686\u200c\u067e\u06cc \u06f8 \u062f\u0631 \u062a\u0627\u0631\u06cc\u062e \u06f2\u06f6 \u0646\u0648\u0627\u0645\u0628\u0631 \u06f2\u06f0\u06f2\u06f0 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0646\u0633\u062e\u0647\u200c\u06cc \u062c\u062f\u06cc\u062f\u06cc \u0627\u0632 \u0627\u06cc\u0646 \u0632\u0628\u0627\u0646 \u0628\u0647 \u0634\u06a9\u0644 \u0631\u0633\u0645\u06cc \u062f\u0631 \u062f\u0633\u062a\u0631\u0633 \u0639\u0645\u0648\u0645 \u0642\u0631\u0627\u0631 \u06af\u0631\u0641\u062a. \u0627\u06cc\u0646 \u0628\u0647\u200c\u0631\u0648\u0632\u0631\u0633\u0627\u0646\u06cc\u060c \u0628\u0633\u06cc\u0627\u0631\u06cc \u0627\u0632 \u0628\u0647\u06cc\u0646\u0647\u200c\u0633\u0627\u0632\u06cc\u200c\u0647\u0627 \u0648 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0631\u0627 \u0628\u0647 \u0632\u0628\u0627\u0646 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f\u0647 \u0627\u0633\u062a. \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0627\u0632 <a href=\"https:\/\/quera.org\/blog\/\">\u06a9\u0648\u0626\u0631\u0627 \u0628\u0644\u0627\u06af<\/a> \u0628\u0647 \u0645\u0647\u0645\u200c\u062a\u0631\u06cc\u0646 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc \u0627\u06cc\u0646 \u0646\u0633\u062e\u0647 \u0645\u06cc\u200c\u067e\u0631\u062f\u0627\u0632\u06cc\u0645 \u0648 \u0645\u0632\u06cc\u062a\u200c\u0647\u0627\u06cc \u0622\u0646 \u0646\u0633\u0628\u062a \u0628\u0647 \u0646\u0633\u062e\u0647\u200c\u0647\u0627\u06cc \u0642\u0628\u0644 \u0631\u0627 \u0628\u0631\u0631\u0633\u06cc \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645.<\/p>\n\n\n\n<p><strong>\u0634\u0627\u06cc\u062f \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0647\u0645 \u0639\u0644\u0627\u0642\u0647\u200c\u0645\u0646\u062f \u0628\u0627\u0634\u06cc\u062f:<a href=\"https:\/\/quera.org\/blog\/what-is-php\/\" target=\"_blank\" rel=\"noreferrer noopener\"> PHP \u0686\u06cc\u0633\u062a\u061f<\/a><\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\" id=\"\u0648\u06cc\u0698\u06af\u06cc-\u0647\u0627\u06cc-\u062c\u062f\u06cc\u062f-\u0627\u0635\u0644\u06cc\"><span class=\"ez-toc-section\" id=\"%D9%88%DB%8C%DA%98%DA%AF%DB%8C%E2%80%8C%D9%87%D8%A7%DB%8C_%D8%AC%D8%AF%DB%8C%D8%AF_%D8%A7%D8%B5%D9%84%DB%8C\"><\/span><strong>\u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc \u062c\u062f\u06cc\u062f \u0627\u0635\u0644\u06cc<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"named-parameters\" style=\"font-size:18px\"><a href=\"https:\/\/php.watch\/versions\/8.0\/named-parameters\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Named Parameters<\/strong><\/a><\/h3>\n\n\n\n<p>PHP 8.0 \u0639\u0644\u0627\u0648\u0647\u200c\u0628\u0631 \u067e\u0627\u0631\u0627\u0645\u062a\u0631\u0647\u0627\u06cc \u0645\u0648\u0642\u0639\u06cc\u062a\u06cc \u06a9\u0647 \u0627\u0632 \u0642\u0628\u0644 \u0648\u062c\u0648\u062f \u062f\u0627\u0634\u062a\u0646\u062f\u060c \u067e\u0627\u0631\u0627\u0645\u062a\u0631\u0647\u0627\u06cc \u0646\u0627\u0645\u200c\u06af\u0630\u0627\u0631\u06cc\u200c\u0634\u062f\u0647 \u0631\u0627 \u0646\u06cc\u0632 \u062f\u0631 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u062a\u0627\u0628\u0639 \u0627\u0645\u06a9\u0627\u0646\u200c\u067e\u0630\u06cc\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"php\" class=\"language-php\">str_contains(needle: 'Bar', haystack: 'Foobar');<\/code><\/pre>\n\n\n\n<p>\u0627\u06cc\u0646 \u062a\u063a\u06cc\u06cc\u0631 \u0628\u0627\u0639\u062b \u0645\u06cc\u200c\u0634\u0648\u062f \u062a\u0627 \u0646\u0627\u0645\u200c\u0647\u0627\u06cc \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u062a\u0627\u0628\u0639\u060c \u0628\u062e\u0634\u06cc \u0627\u0632 API \u0639\u0645\u0648\u0645\u06cc \u0628\u0627\u0634\u0646\u062f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"attributes\" style=\"font-size:18px\"><a href=\"https:\/\/php.watch\/versions\/8.0\/attributes\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Attributes<\/strong><\/a><\/h3>\n\n\n\n<p>attribute\u200c\u0647\u0627 \u0628\u0647 \u0634\u0645\u0627 \u0627\u06cc\u0646 \u0627\u0645\u06a9\u0627\u0646 \u0631\u0627 \u0645\u06cc\u200c\u062f\u0647\u0646\u062f \u06a9\u0647 \u0645\u062a\u0627\u062f\u06cc\u062a\u0627\u0647\u0627 \u0631\u0627 \u0628\u0631\u0627\u06cc \u062a\u0648\u0627\u0628\u0639\u060c \u06a9\u0644\u0627\u0633\u200c\u0647\u0627\u060c \u067e\u0631\u0627\u067e\u0631\u062a\u06cc\u200c\u0647\u0627 \u0648 \u067e\u0627\u0631\u0627\u0645\u062a\u0631\u0647\u0627 \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0646\u06cc\u062f. attribute\u200c\u0647\u0627 \u0628\u0647 \u0646\u0627\u0645 \u06a9\u0644\u0627\u0633\u200c\u0647\u0627\u06cc PHP (\u06a9\u0647 \u062e\u0648\u062f \u0628\u0627 \u06cc\u06a9 attribute \u0645\u0639\u0631\u0641\u06cc \u0645\u06cc\u200c\u0634\u0648\u0646\u062f) \u0645\u0631\u062a\u0628\u0637 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f \u0648 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 Reflection API \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0622\u0646\u200c\u0647\u0627 \u0631\u0627 \u062f\u0631 \u0632\u0645\u0627\u0646 \u0627\u062c\u0631\u0627 \u062f\u0631\u06cc\u0627\u0641\u062a \u06a9\u0631\u062f.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"php\" class=\"language-php\">#[CustomAttribute]\nclass Foo {\n    #[AnotherAttribute(42)]\n    public function bar(): void {}\n}<\/code><\/pre>\n\n\n\n<p>attribute\u0647\u0627 \u0627\u0645\u06a9\u0627\u0646 \u062a\u0639\u0631\u06cc\u0641 annotation\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0642\u0628\u0644\u0627\u064b \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647\u200c\u0633\u0627\u0632\u06cc \u0622\u0646\u200c\u0647\u0627 \u0628\u0647 DocBlock \u0646\u06cc\u0627\u0632 \u0628\u0648\u062f \u0631\u0627 \u0628\u0633\u06cc\u0627\u0631 \u0622\u0633\u0627\u0646 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"constructor-properties\" style=\"font-size:18px\"><a href=\"https:\/\/php.watch\/versions\/8.0\/constructor-property-promotion\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Constructor Properties<\/strong><\/a><\/h3>\n\n\n\n<p>\u06cc\u06a9 \u0633\u06cc\u0646\u062a\u06a9\u0633 \u062c\u062f\u06cc\u062f \u0628\u0631\u0627\u06cc \u062a\u0639\u0631\u06cc\u0641 \u0645\u0633\u062a\u0642\u06cc\u0645 \u067e\u0631\u0627\u067e\u0631\u062a\u06cc\u200c\u0647\u0627\u06cc \u06a9\u0644\u0627\u0633 \u0627\u0632 \u06a9\u0627\u0646\u0633\u062a\u0631\u0627\u06a9\u062a\u0648\u0631 \u06a9\u0644\u0627\u0633 (\u0645\u062a\u062f \u062c\u0627\u062f\u0648\u06cc\u06cc <code>construct__<\/code> ) \u0627\u0636\u0627\u0641\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"php\" class=\"language-php\">class User {\n    public function __construct(private string $name) {}\n}<\/code><\/pre>\n\n\n\n<p>PHP 8.0 \u062f\u0631 constructor \u0627\u0632 \u062a\u0639\u0631\u06cc\u0641 \u0633\u0637\u062d \u062f\u0633\u062a\u0631\u0633\u06cc (<strong><code>public<\/code><\/strong> \u060c<strong><code>private<\/code><\/strong> \u06cc\u0627 <strong><code>protected<\/code><\/strong>) \u0648 type hint \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0627\u06cc\u0646 \u067e\u0631\u0627\u067e\u0631\u062a\u06cc\u200c\u0647\u0627 \u0628\u0647\u200c\u0639\u0646\u0648\u0627\u0646 \u067e\u0631\u0627\u067e\u0631\u062a\u06cc\u200c\u0647\u0627\u06cc \u06a9\u0644\u0627\u0633 \u0628\u0627 \u0647\u0645\u0627\u0646 \u0633\u0637\u062d \u062f\u0633\u062a\u0631\u0633\u06cc \u0648 \u0646\u0648\u0639\u06cc \u06a9\u0647 \u062f\u0631 \u06a9\u0627\u0646\u0633\u062a\u0631\u0627\u06a9\u062a\u0648\u0631 \u0645\u0639\u0631\u0641\u06cc \u0645\u06cc\u200c\u0634\u0648\u0646\u062f\u060c \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f.<\/p>\n\n\n\n<p>\u0627\u06cc\u0646 \u0642\u0627\u0628\u0644\u06cc\u062a backward incompatible \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0647\u0646\u06af\u0627\u0645 \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0644\u0627\u0633\u200c\u0647\u0627\u06cc value-object\u060c \u0628\u0647 \u06a9\u0627\u0647\u0634 boilerplate code \u06a9\u0645\u06a9 \u06a9\u0646\u062f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u06a9\u0627\u0645\u067e\u0627\u06cc\u0644\u0631-just-in-time\" style=\"font-size:18px\"><a href=\"https:\/\/php.watch\/versions\/8.0\/JIT\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\u06a9\u0627\u0645\u067e\u0627\u06cc\u0644\u0631 Just-In-Time<\/strong><\/a><\/h3>\n\n\n\n<p>PHP Opcache \u0627\u0632 JIT \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0645\u06cc\u200c\u06a9\u0646\u062f. JIT \u0628\u0647\u200c\u0637\u0648\u0631 \u067e\u06cc\u0634\u200c\u0641\u0631\u0636 \u063a\u06cc\u0631\u200c\u0641\u0639\u0627\u0644 \u0627\u0633\u062a. \u062f\u0631\u200c\u0635\u0648\u0631\u062a \u0641\u0639\u0627\u0644\u200c\u0633\u0627\u0632\u06cc \u0622\u0646\u060c \u062f\u0633\u062a\u0648\u0631\u0627\u0644\u0639\u0645\u0644\u200c\u0647\u0627\u06cc native \u0631\u0627 \u06a9\u0627\u0645\u067e\u0627\u06cc\u0644 \u0648 \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f. JIT \u062a\u0641\u0627\u0648\u062a \u0645\u062d\u0633\u0648\u0633\u06cc \u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0647\u0627\u06cc \u0648\u0628 \u0645\u062a\u0635\u0644 \u0628\u0647 IO \u0627\u06cc\u062c\u0627\u062f \u0646\u0645\u06cc\u200c\u06a9\u0646\u062f\u060c \u0627\u0645\u0627 \u0628\u0627\u0639\u062b \u0627\u0641\u0632\u0627\u06cc\u0634 \u0639\u0645\u0644\u06a9\u0631\u062f \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0627\u0632 CPU \u0632\u06cc\u0627\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f\u060c \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"php\" class=\"language-php\"># Enabling JIT in php.ini\nopcache.enable=1\nopcache.jit_buffer_size=100M\nopcache.jit=tracing<\/code><\/pre>\n\n\n\n<p>\u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 JIT \u0647\u0646\u0648\u0632 \u062c\u062f\u06cc\u062f \u0627\u0633\u062a \u0648 \u06cc\u06a9 \u0631\u0648\u0632 \u0642\u0628\u0644 \u0627\u0632 \u0627\u0646\u062a\u0634\u0627\u0631 PHP 8.0 \u0631\u0641\u0639\u200c\u0627\u0634\u06a9\u0627\u0644 \u0634\u062f\u0647 \u0627\u0633\u062a. \u0644\u0627\u06cc\u0647\u200c\u0647\u0627\u06cc \u0627\u0636\u0627\u0641\u0647\u200c\u0634\u062f\u0647 \u062a\u0648\u0633\u0637 JIT \u062f\u06cc\u0628\u0627\u06af \u06a9\u0631\u062f\u0646 \u0648 profiling \u0631\u0627 \u062f\u0634\u0648\u0627\u0631\u062a\u0631 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"null-safe-operator\" style=\"font-size:18px\"><a href=\"https:\/\/php.watch\/versions\/8.0\/null-safe-operator\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Null-safe Operator<\/strong><\/a><\/h3>\n\n\n\n<p>\u06cc\u06a9\u06cc \u062f\u06cc\u06af\u0631 \u0627\u0632 <strong>\u062a\u063a\u06cc\u06cc\u0631\u0627\u062a PHP 8.0<\/strong>\u060c \u0639\u0645\u0644\u06af\u0631 Null-safe \u0627\u0633\u062a \u06a9\u0647 \u0627\u06cc\u0645\u0646\u06cc \u062f\u0631 \u0632\u0646\u062c\u06cc\u0631\u0647\u200c\u0633\u0627\u0632\u06cc \u0645\u062a\u062f \u06cc\u0627 \u067e\u0631\u0627\u067e\u0631\u062a\u06cc \u0631\u0627 \u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u0627\u0645\u06a9\u0627\u0646 <strong><code>null<\/code><\/strong> \u0628\u0648\u062f\u0646 \u0645\u0642\u062f\u0627\u0631 \u0628\u0631\u06af\u0634\u062a\u06cc \u06cc\u0627 \u067e\u0631\u0627\u067e\u0631\u062a\u06cc \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f\u060c \u0641\u0631\u0627\u0647\u0645 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"php\" class=\"language-php\">return $user-&gt;getAddress()?-&gt;getCountry()?-&gt;isoCode;<\/code><\/pre>\n\n\n\n<p>\u0627\u06af\u0631 \u0639\u0645\u0644\u06af\u0631 <code>?-&gt;<\/code> null-safe \u0628\u0627 \u0645\u0642\u062f\u0627\u0631 <strong><code>null<\/code><\/strong> \u0645\u0648\u0627\u062c\u0647 \u0634\u0648\u062f\u060c \u0628\u0642\u06cc\u0647 \u0639\u0628\u0627\u0631\u062a \u0631\u0627 \u0646\u0627\u062f\u06cc\u062f\u0647 \u0645\u06cc\u200c\u06af\u06cc\u0631\u062f \u0648 \u0628\u0644\u0627\u0641\u0627\u0635\u0644\u0647 \u0648 \u0628\u062f\u0648\u0646 \u0627\u06cc\u062c\u0627\u062f \u062e\u0637\u0627\u060c <strong><code>null<\/code><\/strong> \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"match-expressions\" style=\"font-size:18px\"><strong><a href=\"https:\/\/php.watch\/versions\/8.0\/match-expression\" target=\"_blank\" rel=\"noreferrer noopener\"><code>match<\/code> expressions<\/a><\/strong><\/h3>\n\n\n\n<p>match expression\u0647\u0627 \u0645\u0634\u0627\u0628\u0647 \u0628\u0644\u0648\u06a9\u200c\u0647\u0627\u06cc <strong><code>switch<\/code><\/strong> \u0647\u0633\u062a\u0646\u062f\u060c \u0628\u0627 \u0627\u06cc\u0646 \u062a\u0641\u0627\u0648\u062a \u06a9\u0647 \u0628\u0644\u0648\u06a9\u200c\u0647\u0627\u06cc <code>match<\/code> \u0645\u0642\u0627\u06cc\u0633\u0647\u200c\u0647\u0627\u06cc type safe \u0631\u0627 \u0641\u0631\u0627\u0647\u0645 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f\u060c \u0627\u0632 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0628\u0627\u0632\u06af\u0634\u062a\u06cc \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f\u060c \u0628\u0631\u0627\u06cc \u062e\u0627\u0631\u062c \u0634\u062f\u0646 \u0628\u0647 \u062f\u0633\u062a\u0648\u0631 <strong><code>break<\/code><\/strong> \u0646\u06cc\u0627\u0632 \u0646\u062f\u0627\u0631\u0646\u062f \u0648 \u0627\u0632 \u0686\u0646\u062f\u06cc\u0646 \u0645\u0642\u062f\u0627\u0631 \u0628\u0631\u0627\u06cc \u0645\u0637\u0627\u0628\u0642\u062a \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f. \u0647\u0645\u0686\u0646\u06cc\u0646 \u0628\u0627 \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0646 \u0647\u0645\u0647 \u0645\u0648\u0627\u0631\u062f \u0645\u0648\u062c\u0648\u062f \u0628\u0631\u0627\u06cc \u0645\u0642\u0627\u06cc\u0633\u0647\u060c \u062a\u0636\u0645\u06cc\u0646 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f \u06a9\u0647 \u062d\u062f\u0627\u0642\u0644 \u06cc\u06a9\u06cc \u0627\u0632 \u0645\u0637\u0627\u0628\u0642\u062a\u200c\u0647\u0627 \u0635\u0648\u0631\u062a \u0645\u06cc\u200c\u06af\u06cc\u0631\u062f.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"php\" class=\"language-php\">$response = match('test') {\n    'test' =&gt; $this-&gt;sendTestAlert(),\n    'send' =&gt; $this-&gt;sendNuclearAlert(),\n};<\/code><\/pre>\n\n\n\n<p>\u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0647\u0645\u0647 \u0628\u0644\u0648\u06a9\u200c\u0647\u0627\u06cc <strong><code>switch<\/code><\/strong> \u0628\u0647\u200c\u062e\u0648\u0628\u06cc \u0628\u0647 \u0628\u0644\u0648\u06a9\u200c\u0647\u0627\u06cc <code>match<\/code> \u062a\u0628\u062f\u06cc\u0644 \u0646\u0634\u0648\u0646\u062f\u060c \u0645\u062e\u0635\u0648\u0635\u0627\u064b \u062f\u0631 \u06a9\u062f\u06cc \u06a9\u0647 \u0628\u0647 backward compatibility \u06cc\u0627 \u0628\u0644\u0648\u06a9\u200c\u0647\u0627\u06cc <strong><code>switch<\/code><\/strong> \u0628\u0627 \u0686\u0646\u062f\u06cc\u0646 \u062f\u0633\u062a\u0648\u0631 (\u0628\u0631\u200c\u062e\u0644\u0627\u0641 \u0639\u0628\u0627\u0631\u0627\u062a \u062a\u06a9\u200c\u062e\u0637\u06cc) \u0627\u062d\u062a\u06cc\u0627\u062c \u062f\u0627\u0631\u062f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"weakmap-\u0647\u0627\" style=\"font-size:18px\"><a href=\"https:\/\/php.watch\/versions\/8.0\/weakmap\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>WeakMap\u200c\u0647\u0627<\/strong><\/a><\/h3>\n\n\n\n<p>\u06cc\u06a9 WeakMap \u0627\u062c\u0627\u0632\u0647 \u0630\u062e\u06cc\u0631\u0647\u200c\u0633\u0627\u0632\u06cc \u0648 \u0645\u0631\u062a\u0628\u0637 \u06a9\u0631\u062f\u0646 \u0645\u0642\u0627\u062f\u06cc\u0631 \u062f\u0644\u062e\u0648\u0627\u0647 \u0631\u0627 \u0628\u0647 key\u200c\u0647\u0627\u06cc \u0634\u06cc\u0621 \u0645\u06cc\u200c\u062f\u0647\u062f. \u0627\u0645\u0627 \u0628\u062f\u0648\u0646 \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 <a href=\"https:\/\/www.php.net\/manual\/en\/features.gc.php\" target=\"_blank\" rel=\"noreferrer noopener\">garbage collect<\/a> \u0634\u062f\u0646\u060c \u0634\u06cc\u0621 \u0628\u0627 \u062d\u0630\u0641 \u0634\u062f\u0646 \u062f\u0631 \u0647\u0631 \u062c\u0627\u06cc \u062f\u06cc\u06af\u0631\u06cc \u0627\u0632 map \u062e\u0627\u0631\u062c \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n\n\n\n<p>\u06cc\u06a9 <code>WeakMap<\/code> \u0645\u0634\u0627\u0628\u0647 <a href=\"https:\/\/www.php.net\/manual\/class.splobjectstorage.php\" target=\"_blank\" rel=\"noreferrer noopener\">SplObjectStorage<\/a> \u0627\u0633\u062a. \u0647\u0631 \u062f\u0648 \u0627\u0632 <code>objects<\/code> \u0628\u0647\u200c\u0639\u0646\u0648\u0627\u0646 \u06a9\u0644\u06cc\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f \u0648 \u0627\u062c\u0627\u0632\u0647 \u0630\u062e\u06cc\u0631\u0647 \u0645\u0642\u0627\u062f\u06cc\u0631 \u062f\u0644\u062e\u0648\u0627\u0647 \u0631\u0627 \u0645\u06cc\u200c\u062f\u0647\u0646\u062f. \u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u06cc\u06a9 <code>WeakMap<\/code> \u0645\u0627\u0646\u0639 \u0627\u0632 \u0628\u0627\u0632\u06cc\u0627\u0641\u062a \u062d\u0627\u0641\u0638\u0647 \u0634\u06cc\u0621 \u0646\u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-black-color has-css-opacity has-black-background-color has-background is-style-dots\"\/>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\" id=\"\u062a\u0648\u0627\u0628\u0639-\u0648-\u06a9\u0644\u0627\u0633-\u0647\u0627\u06cc-\u062c\u062f\u06cc\u062f\"><span class=\"ez-toc-section\" id=\"%D8%AA%D9%88%D8%A7%D8%A8%D8%B9_%D9%88_%DA%A9%D9%84%D8%A7%D8%B3%E2%80%8C%D9%87%D8%A7%DB%8C_%D8%AC%D8%AF%DB%8C%D8%AF\"><\/span><strong>\u062a\u0648\u0627\u0628\u0639 \u0648 \u06a9\u0644\u0627\u0633\u200c\u0647\u0627\u06cc \u062c\u062f\u06cc\u062f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>PHP 8.0 \u0686\u0646\u062f \u062a\u0627\u0628\u0639 \u062c\u062f\u06cc\u062f \u0631\u0627 \u0628\u0631\u0627\u06cc \u0633\u0647\u0648\u0644\u062a \u0628\u0631\u0631\u0633\u06cc \u0631\u0634\u062a\u0647 (\u0628\u0631\u0631\u0633\u06cc \u0648\u062c\u0648\u062f \u06cc\u06a9 \u0632\u06cc\u0631\u0631\u0634\u062a\u0647 \u062f\u0631 \u0631\u0634\u062a\u0647\u060c \u0628\u0631\u0631\u0633\u06cc \u0634\u0631\u0648\u0639 \u0631\u0634\u062a\u0647 \u0628\u0627 \u06cc\u06a9 \u0632\u06cc\u0631\u0631\u0634\u062a\u0647 \u0648 \u0628\u0631\u0631\u0633\u06cc \u062e\u0627\u062a\u0645\u0647 \u0631\u0634\u062a\u0647 \u0628\u0627 \u06cc\u06a9 \u0632\u06cc\u0631\u0631\u0634\u062a\u0647) \u0627\u0631\u0627\u0626\u0647 \u06a9\u0631\u062f\u0647 \u0627\u0633\u062a \u062a\u0627 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc\u200c\u0647\u0627\u06cc <code>strpos() !== <strong>false<\/strong><\/code> \u0640\u0640\u0640\u0640\u0640\u0640\u0640 \u06a9\u0647 \u062e\u0648\u0627\u0646\u0627\u06cc\u06cc \u06a9\u0645\u062a\u0631\u06cc \u062f\u0627\u0631\u0646\u062f \u0648 \u0628\u0647\u200c\u062f\u0644\u06cc\u0644 \u0639\u0645\u0644\u06af\u0631\u0647\u0627\u06cc \u0645\u0642\u0627\u06cc\u0633\u0647\u200c\u0627\u06cc weak type \u0645\u0633\u062a\u0639\u062f \u062e\u0637\u0627 \u0647\u0633\u062a\u0646\u062f \u0640\u0640\u0640\u0640\u0640\u0640\u0640\u0640\u0640 \u0634\u0648\u0646\u062f.<\/p>\n\n\n\n<figure class=\"wp-block-table aligncenter is-style-stripes\"><table><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">  <strong>\u062a\u0627\u0628\u0639<\/strong> <\/td><td class=\"has-text-align-right\" data-align=\"right\"> <strong>\u062a\u0639\u0631\u06cc\u0641<\/strong>  <\/td><td class=\"has-text-align-left\" data-align=\"left\"> <strong>\u0645\u062b\u0627\u0644<\/strong> <\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/php.watch\/versions\/8.0\/str_contains\"><code>str_contains<\/code><\/a><\/td><td class=\"has-text-align-right\" data-align=\"right\">\u0628\u0631\u0631\u0633\u06cc \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u0647 \u0622\u06cc\u0627 needle \u062f\u0631\u0648\u0646 haystack \u0645\u06cc\u200c\u0628\u0627\u0634\u062f \u06cc\u0627 \u062e\u06cc\u0631<\/td><td class=\"has-text-align-left\" data-align=\"left\"><code>str_contains('Foobar', 'Foo')<\/code><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/php.watch\/versions\/8.0\/str_starts_with-str_ends_with\"><code>str_starts_with<\/code><\/a><\/td><td class=\"has-text-align-right\" data-align=\"right\">\u0628\u0631\u0631\u0633\u06cc \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u0647 \u0622\u06cc\u0627 needle \u0628\u0627 \u0631\u0634\u062a\u0647 haystack \u0622\u063a\u0627\u0632 \u0645\u06cc\u200c\u0634\u0648\u062f \u06cc\u0627 \u062e\u06cc\u0631<\/td><td class=\"has-text-align-left\" data-align=\"left\"><code>str_starts_with('PHP 8.0', 'PHP')<\/code><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/php.watch\/versions\/8.0\/str_starts_with-str_ends_with\"><code>str_ends_with<\/code><\/a><\/td><td class=\"has-text-align-right\" data-align=\"right\">\u0628\u0631\u0631\u0633\u06cc \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u0647 \u0622\u06cc\u0627 needle \u0628\u0627 \u0631\u0634\u062a\u0647 haystack \u067e\u0627\u06cc\u0627\u0646 \u0645\u06cc\u200c\u06cc\u0627\u0628\u062f \u06cc\u0627 \u062e\u06cc\u0631<\/td><td class=\"has-text-align-left\" data-align=\"left\"><code>str_ends_with('PHP 8.0', '8.0')<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>PHP 8.0 \u0647\u0645\u0686\u0646\u06cc\u0646 \u062a\u0648\u0627\u0628\u0639\u06cc \u0645\u0627\u0646\u0646\u062f<a href=\"https:\/\/php.watch\/versions\/8.0\/fdiv\" target=\"_blank\" rel=\"noreferrer noopener\"> fdiv<\/a> \u060c<a href=\"https:\/\/php.watch\/versions\/8.0\/get_resource_id\" target=\"_blank\" rel=\"noreferrer noopener\">get_resource_id<\/a> \u060c<a href=\"https:\/\/php.watch\/versions\/8.0\/get_debug_type\" target=\"_blank\" rel=\"noreferrer noopener\">get_debug_type<\/a> \u0648<a href=\"https:\/\/php.watch\/versions\/8.0\/preg_last_error_msg\" target=\"_blank\" rel=\"noreferrer noopener\"> preg_last_error_msg<\/a> \u0631\u0627 \u0627\u0631\u0627\u0626\u0647 \u06a9\u0631\u062f\u0647 \u0627\u0633\u062a.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><tbody><tr><td> <strong>\u062a\u0627\u0628\u0639<\/strong> <\/td><td> <strong>\u062a\u0639\u0631\u06cc\u0641<\/strong> <\/td><\/tr><tr><td><a href=\"https:\/\/php.watch\/versions\/8.0\/fdiv\" target=\"_blank\" rel=\"noreferrer noopener\"><code>fdiv<\/code><\/a><\/td><td>\u0628\u062e\u0634 float \u0627\u0632 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f <a href=\"https:\/\/en.wikipedia.org\/wiki\/IEEE_754\" target=\"_blank\" rel=\"noreferrer noopener\">IEEE-754<\/a> \u062f\u0631 <em>Floating-Point Arithmetic<\/em><\/td><\/tr><tr><td><a href=\"https:\/\/php.watch\/versions\/8.0\/get_resource_id\" target=\"_blank\" rel=\"noreferrer noopener\"><code>get_resource_id<\/code><\/a><\/td><td>ID \u062f\u0627\u062e\u0644\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc PHP <code>resource<\/code> \u0645\u0648\u0631\u062f\u200c\u0646\u0638\u0631 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f.<\/td><\/tr><tr><td><a href=\"https:\/\/php.watch\/versions\/8.0\/get_debug_type\" target=\"_blank\" rel=\"noreferrer noopener\"><code>get_debug_type<\/code><\/a><\/td><td>type \u062f\u0627\u062e\u0644\u06cc \u06cc\u06a9 \u0645\u062a\u063a\u06cc\u0631 \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f.<\/td><\/tr><tr><td><a href=\"https:\/\/php.watch\/versions\/8.0\/preg_last_error_msg\" target=\"_blank\" rel=\"noreferrer noopener\"><code>preg_last_error_msg<\/code><\/a><\/td><td>\u067e\u06cc\u063a\u0627\u0645 \u062e\u0637\u0627\u06cc \u0622\u062e\u0631\u06cc\u0646 \u0639\u0645\u0644\u06cc\u0627\u062a <code>preg<\/code> \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u0631\u0627\u0628\u0637-\u062c\u062f\u06cc\u062f-stringable\" style=\"font-size:18px\"><strong><a href=\"https:\/\/php.watch\/versions\/8.0\/stringable\" target=\"_blank\" rel=\"noreferrer noopener\">\u0631\u0627\u0628\u0637 \u062c\u062f\u06cc\u062f <code>stringable<\/code><\/a><\/strong><\/h3>\n\n\n\n<p>\u0627\u0632 \u062f\u06cc\u06af\u0631 <strong>\u062a\u063a\u06cc\u06cc\u0631\u0627\u062a PHP 8.0<\/strong> \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0628\u0647 \u0631\u0627\u0628\u0637 \u062c\u062f\u06cc\u062f <code>Stringable<\/code> \u0627\u0634\u0627\u0631\u0647 \u06a9\u0631\u062f\u061b \u06a9\u0647 \u0628\u0647\u200c\u0637\u0648\u0631 \u062e\u0648\u062f\u06a9\u0627\u0631 \u0628\u0647 \u062a\u0645\u0627\u0645 \u06a9\u0644\u0627\u0633\u200c\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0631\u0648\u0634  <code>tostring__<\/code> \u0631\u0627 \u067e\u06cc\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f\u060c \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f \u0648 \u0622\u0646\u200c\u0647\u0627 \u0635\u0631\u06cc\u062d\u0627\u064b \u0627\u0639\u0644\u0627\u0646 <code>implements Stringable<\/code> \u0631\u0627 \u0646\u0645\u0627\u06cc\u0634 \u0645\u06cc\u200c\u062f\u0647\u0646\u062f.<\/p>\n\n\n\n<p>\u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0631\u0627\u0628\u0637 <code>Stringable<\/code>\u060c \u0645\u0639\u0631\u0641\u06cc type\u200c\u0647\u0627\u06cc <code>string|Stringable<\/code> \u0628\u0647 \u062a\u0648\u0627\u0628\u0639\u06cc \u06a9\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u0631\u0634\u062a\u0647\u200c\u0647\u0627 \u06cc\u0627 \u0627\u0634\u06cc\u0627\u0621 \u0631\u0627 \u0628\u0627 \u0631\u0648\u0634 <code>()tostring__<\/code> \u0628\u067e\u0630\u06cc\u0631\u0646\u062f \u06cc\u0627 \u0631\u062f \u06a9\u0646\u0646\u062f\u060c \u0628\u0633\u06cc\u0627\u0631 \u0622\u0633\u0627\u0646 \u0634\u062f\u0647 \u0627\u0633\u062a.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u06a9\u0644\u0627\u0633-\u062c\u062f\u06cc\u062f-phptoken-tokenizer\" style=\"font-size:18px\"><strong><a href=\"https:\/\/php.watch\/versions\/8.0\/PhpToken\" target=\"_blank\" rel=\"noreferrer noopener\">\u06a9\u0644\u0627\u0633 \u062c\u062f\u06cc\u062f <code>PhpToken<\/code> Tokenizer<\/a><\/strong><\/h3>\n\n\n\n<p>\u06a9\u0644\u0627\u0633 \u062c\u062f\u06cc\u062f <code>PhpToken<\/code> \u06cc\u06a9 \u0631\u0627\u0628\u0637 \u0634\u06cc\u0621\u06af\u0631\u0627 \u0631\u0627 \u0628\u0647\u200c\u0639\u0646\u0648\u0627\u0646 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc \u0628\u0631\u0627\u06cc \u062a\u0627\u0628\u0639 \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0622\u0631\u0627\u06cc\u0647\u200c\u06cc <code>token_get_all<\/code> \u0641\u0631\u0627\u0647\u0645 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n\n\n\n<p>\u0628\u06cc\u0634\u062a\u0631 \u0628\u062e\u0648\u0627\u0646\u06cc\u062f: <a href=\"https:\/\/quera.org\/blog\/php-arrays\/\">\u0622\u0631\u0627\u06cc\u0647 \u0647\u0627\u06cc PHP \u0628\u0647 \u0632\u0628\u0627\u0646 \u0633\u0627\u062f\u0647<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-black-color has-css-opacity has-black-background-color has-background is-style-dots\"\/>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\" id=\"\u0628\u0647\u0628\u0648\u062f\u0647\u0627\u06cc-type-system\"><span class=\"ez-toc-section\" id=\"%D8%A8%D9%87%D8%A8%D9%88%D8%AF%D9%87%D8%A7%DB%8C_Type_System\"><\/span><strong>\u0628\u0647\u0628\u0648\u062f\u0647\u0627\u06cc Type System<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>PHP 8.0 \u0628\u0627 \u0627\u0641\u0632\u0648\u062f\u0646 union type\u200c\u0647\u0627 \u0648 \u062a\u0627\u06cc\u067e <code>mixed<\/code>\u060c \u062a\u0627\u06cc\u067e \u0633\u06cc\u0633\u062a\u0645 \u0631\u0627 \u0628\u0647\u0628\u0648\u062f \u0628\u062e\u0634\u06cc\u062f\u0647 \u0627\u0633\u062a.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"union-type-\u0647\u0627\" style=\"font-size:18px\"><strong><a href=\"https:\/\/php.watch\/versions\/8.0\/union-types\" target=\"_blank\" rel=\"noreferrer noopener\">Union Type\u200c\u0647\u0627<\/a><\/strong><\/h3>\n\n\n\n<p>Union Type\u0647\u0627 \u0627\u062c\u0627\u0632\u0647 \u0645\u0639\u0631\u0641\u06cc \u0628\u06cc\u0634 \u0627\u0632 \u06cc\u06a9 \u062a\u0627\u06cc\u067e (return types \u060cparameters \u0648 class properties) \u0631\u0627 \u0645\u06cc\u200c\u062f\u0647\u0646\u062f.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"php\" class=\"language-php\">function parse_value(string|int|float): string|null {}<\/code><\/pre>\n\n\n\n<p>\u0647\u0645\u0686\u0646\u06cc\u0646 \u0627\u0632 <strong><code>false<\/code><\/strong> \u0628\u0647\u200c\u0639\u0646\u0648\u0627\u0646 type \u062e\u0627\u0635\u06cc (\u0628\u0631\u0627\u06cc Boolean <strong><code>false<\/code><\/strong>) \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f\u061b \u062e\u0635\u0648\u0635\u06cc\u062a\u06cc \u0631\u0627\u06cc\u062c \u062f\u0631 \u06a9\u062f\u0647\u0627\u06cc \u0642\u062f\u06cc\u0645\u06cc \u06a9\u0647 \u0627\u0632 Exception\u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0646\u0645\u06cc\u200c\u06a9\u0631\u062f\u0646\u062f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u0634\u0628\u0647-\u062a\u0627\u06cc\u067e-mixed-\u062c\u062f\u06cc\u062f\" style=\"font-size:18px\"><strong><a href=\"https:\/\/php.watch\/versions\/8.0\/mixed-type\" target=\"_blank\" rel=\"noreferrer noopener\">\u0634\u0628\u0647\u200c\u062a\u0627\u06cc\u067e <code>mixed<\/code> \u062c\u062f\u06cc\u062f<\/a><\/strong><\/h3>\n\n\n\n<p>PHP 8.0 \u062a\u0627\u06cc\u067e <code>mixed<\/code> \u0631\u0627 \u06a9\u0647 \u0642\u0628\u0644\u0627\u064b \u0628\u0647\u200c\u0637\u0648\u0631 \u06af\u0633\u062a\u0631\u062f\u0647 \u062f\u0631 \u06a9\u0627\u0645\u0646\u062a\u200c\u0647\u0627\u06cc DocBlock \u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0642\u0631\u0627\u0631 \u0645\u06cc\u200c\u06af\u0631\u0641\u062a\u060c \u0628\u0647 \u0647\u0645\u0631\u0627\u0647 \u062f\u0627\u0631\u062f.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"php\" class=\"language-php\">function dd(mixed $var): void {\n    var_dump($var);\n}<\/code><\/pre>\n\n\n\n<p>\u0627\u0632 \u062a\u0627\u06cc\u067e <code>mixed<\/code> \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0628\u0631\u0627\u06cc \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0646 \u0627\u06cc\u0646\u06a9\u0647 \u0647\u0631 \u062a\u0627\u06cc\u067e\u06cc \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u067e\u0630\u06cc\u0631\u0641\u062a\u0647 \u06cc\u0627 \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f\u0647 \u0634\u0648\u062f\u060c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f. \u062f\u0631 context \u06a9\u0644\u0627\u0633\/\u0631\u0627\u0628\u0637\u060c \u062a\u0627\u06cc\u067e <code>mixed<\/code> \u0627\u0632 \u0642\u0648\u0627\u0646\u06cc\u0646<a href=\"https:\/\/php.watch\/articles\/php-lsp\" target=\"_blank\" rel=\"noreferrer noopener\"> \u0627\u0635\u0644 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc Liskov<\/a> \u062a\u0628\u0639\u06cc\u062a \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"static-return-type\" style=\"font-size:18px\"><strong><a href=\"https:\/\/php.watch\/versions\/8.0\/static-return-type\" target=\"_blank\" rel=\"noreferrer noopener\"><code>static<\/code> return type<\/a><\/strong><\/h3>\n\n\n\n<p>\u0627\u06cc\u0646 \u0648\u06cc\u0698\u06af\u06cc \u06a9\u0647 \u0642\u0628\u0644\u0627\u064b \u062f\u0631 DocBlock \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0645\u06cc\u200c\u0634\u062f\u060c \u0627\u06a9\u0646\u0648\u0646 \u062f\u0631 PHP 8.0 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0645\u06cc\u200c\u0634\u0648\u062f. <strong><code>static<\/code><\/strong> return type \u0627\u0639\u0644\u0627\u0645 \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u0647 \u06cc\u06a9 \u0634\u06cc\u0621 \u0627\u0632 \u06a9\u0644\u0627\u0633 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc\u200c\u0634\u062f\u0647 \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f\u0647 \u062e\u0648\u0627\u0647\u062f \u0634\u062f.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"php\" class=\"language-php\">class Foo {\n    public static function getInstance(): static {\n        return new static();\n    }\n}<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-black-color has-css-opacity has-black-background-color has-background is-style-dots\"\/>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\" id=\"\u0628\u0647\u0628\u0648\u062f\u0647\u0627\u06cc-\u0645\u062f\u06cc\u0631\u06cc\u062a-\u062e\u0637\u0627\"><span class=\"ez-toc-section\" id=\"%D8%A8%D9%87%D8%A8%D9%88%D8%AF%D9%87%D8%A7%DB%8C_%D9%85%D8%AF%DB%8C%D8%B1%DB%8C%D8%AA_%D8%AE%D8%B7%D8%A7\"><\/span><strong>\u0628\u0647\u0628\u0648\u062f\u0647\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u062e\u0637\u0627<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u06cc\u06a9 \u062a\u063a\u06cc\u06cc\u0631 \u0639\u0645\u062f\u0647 \u0648 backward incompatible \u062f\u0631 PHP \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u0627\u06a9\u0646\u0648\u0646 \u062a\u0648\u0627\u0628\u0639 \u062f\u0627\u062e\u0644\u06cc \u0628\u0627 type error\u200c\u0647\u0627 \u06cc\u0627<a href=\"https:\/\/php.watch\/versions\/8.0\/ValueError\" target=\"_blank\" rel=\"noreferrer noopener\"> value error\u0647\u0627<\/a> \u0645\u062e\u0627\u0644\u0641\u062a \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f.<\/p>\n\n\n\n<p>\u0627\u06cc\u0646 \u062a\u063a\u06cc\u06cc\u0631\u060c \u0631\u0641\u062a\u0627\u0631 \u0642\u062f\u06cc\u0645\u06cc PHP \u062f\u0631 \u0628\u0631\u0648\u0632 \u06cc\u06a9 \u0647\u0634\u062f\u0627\u0631 \u0648 \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f\u0646 <strong><code>null<\/code><\/strong> \u062f\u0631 \u0635\u0648\u0631\u062a \u0645\u0648\u0627\u062c\u0647 \u0634\u062f\u0646 \u0628\u0627 \u0645\u0642\u062f\u0627\u0631\u06cc \u06a9\u0647 \u0646\u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u062f \u0631\u0627 \u0627\u0635\u0644\u0627\u062d \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0627\u06cc\u0646 \u0631\u0641\u062a\u0627\u0631 \u0627\u063a\u0644\u0628 \u0646\u0627\u0645\u0637\u0644\u0648\u0628 \u0627\u0633\u062a\u060c \u0632\u06cc\u0631\u0627 \u0647\u0634\u062f\u0627\u0631\u0647\u0627\u06cc PHP \u0627\u062c\u0631\u0627\u06cc \u0628\u0644\u0648\u06a9 \u0628\u0627\u0642\u06cc\u200c\u0645\u0627\u0646\u062f\u0647 \u0631\u0627 \u0645\u062a\u0648\u0642\u0641 \u0646\u0645\u06cc\u200c\u06a9\u0646\u0646\u062f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u0647\u0634\u062f\u0627\u0631\u0647\u0627\u06cc-\u062a\u0627\u0628\u0639-\u062f\u0627\u062e\u0644\u06cc-typeerror-\u0647\u0627-\u0648-valueerror-\u0647\u0627-\u0631\u0627-\u0646\u0627\u062f\u06cc\u062f\u0647-\u0645\u06cc-\u06af\u06cc\u0631\u0646\u062f\" style=\"font-size:18px\"><strong><a href=\"https:\/\/php.watch\/versions\/8.0\/internal-function-exceptions\" target=\"_blank\" rel=\"noreferrer noopener\">\u0647\u0634\u062f\u0627\u0631\u0647\u0627\u06cc \u062a\u0627\u0628\u0639 \u062f\u0627\u062e\u0644\u06cc <code>TypeError\u200c<\/code>\u0647\u0627 \u0648 <code>ValueError\u200c<\/code>\u0647\u0627 \u0631\u0627 \u0646\u0627\u062f\u06cc\u062f\u0647 \u0645\u06cc\u200c\u06af\u06cc\u0631\u0646\u062f<\/a><\/strong><\/h3>\n\n\n\n<p>\u062a\u0642\u0631\u06cc\u0628\u0627\u064b \u062a\u0645\u0627\u0645 \u062a\u0648\u0627\u0628\u0639 \u062f\u0627\u062e\u0644\u06cc \u062f\u0631 PHP \u0627\u06a9\u0646\u0648\u0646 type checking \u0631\u0627 \u0627\u0639\u0645\u0627\u0644 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f \u0648 \u0628\u0647\u200c\u062c\u0627\u06cc \u0647\u0634\u062f\u0627\u0631\u0647\u0627\u060c PHP \u0627\u06a9\u0646\u0648\u0646 TypeError\u200c\u0647\u0627 \u06cc\u0627<a href=\"https:\/\/php.watch\/versions\/8.0\/ValueError\" target=\"_blank\" rel=\"noreferrer noopener\"> ValueError<\/a>\u0647\u0627 \u0631\u0627 \u0646\u0627\u062f\u06cc\u062f\u0647 \u0645\u06cc\u200c\u06af\u06cc\u0631\u062f. \u0628\u0631\u200c\u0627\u0633\u0627\u0633 \u06a9\u062f\u0647\u0627\u06cc \u0642\u062f\u06cc\u0645\u06cc\u060c \u0627\u06cc\u0646 \u062a\u063a\u06cc\u06cc\u0631 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0645\u0634\u06a9\u0644\u0627\u062a\u06cc \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u062f. \u0627\u06a9\u0646\u0648\u0646 PHP \u0628\u0627 \u0627\u06cc\u0646 \u062e\u0637\u0627\u0647\u0627 \u062c\u0633\u0648\u0631\u0627\u0646\u0647\u200c\u062a\u0631 \u0648 \u063a\u06cc\u0631\u200c\u0642\u0627\u0628\u0644\u200c\u0628\u062e\u0634\u0634 \u0628\u0631\u062e\u0648\u0631\u062f \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"throw-\u062f\u0631-expression-\u0647\u0627\" style=\"font-size:18px\"><strong><a href=\"https:\/\/php.watch\/versions\/8.0\/throw-expressions\" target=\"_blank\" rel=\"noreferrer noopener\"><code>throw<\/code> \u062f\u0631 expression\u200c\u0647\u0627<\/a><\/strong><\/h3>\n\n\n\n<p>\u0642\u0628\u0644 \u0627\u0632 PHP 8.0\u060c \u0627\u0645\u06a9\u0627\u0646 \u067e\u0631\u062a\u0627\u0628 \u06cc\u06a9 \u0627\u0633\u062a\u062b\u0646\u0627 \u0627\u0632 \u06cc\u06a9 expression (\u0628\u0647\u200c\u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644 \u06cc\u06a9 <a href=\"https:\/\/php.watch\/articles\/php-ternary-and-coalescing\" target=\"_blank\" rel=\"noreferrer noopener\">ternary<\/a> statement) \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0634\u062a. \u0627\u0645\u06a9\u0627\u0646\u200c\u067e\u0630\u06cc\u0631 \u0634\u062f\u0646 \u0627\u06cc\u0646 \u0645\u0648\u0631\u062f \u0646\u06cc\u0632 \u06cc\u06a9\u06cc \u062f\u06cc\u06af\u0631 \u0627\u0632<strong> \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a PHP 8.0<\/strong> \u0627\u0633\u062a.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"php\" class=\"language-php\">$value = isset($_GET['value'])\n    ? $_GET['value']\n    : throw new \\InvalidArgumentException('value not set');<\/code><\/pre>\n\n\n\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"catch-exceptions-\u0641\u0642\u0637-\u0627\u0632-\u0637\u0631\u06cc\u0642-type\" style=\"font-size:18px\"><strong><a href=\"https:\/\/php.watch\/versions\/8.0\/catch-exception-type\" target=\"_blank\" rel=\"noreferrer noopener\"><code>Catch<\/code> exceptions \u0641\u0642\u0637 \u0627\u0632 \u0637\u0631\u06cc\u0642 type<\/a><\/strong><\/h3>\n\n\n\n<p>\u062f\u0631 PHP 8.0\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 exception\u200c\u0647\u0627 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u062a\u0627\u06cc\u067e \u0622\u0646\u200c\u0647\u0627 \u0648 \u0628\u062f\u0648\u0646 \u06af\u0631\u0641\u062a\u0646 \u0634\u06cc\u0621 exception \u062f\u0631\u06cc\u0627\u0641\u062a \u06a9\u0646\u06cc\u0645.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"php\" class=\"language-php\">try {\n} catch (TypeError) {\n  \/\/ Did not catch the $exception object\n}<\/code><\/pre>\n\n\n\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"error-reporting-\u067e\u06cc\u0634-\u0641\u0631\u0636-\u0631\u0648\u06cc-e-all-\u062a\u0646\u0638\u06cc\u0645-\u0634\u062f\u0647-\u0627\u0633\u062a\" style=\"font-size:18px\"><strong><a href=\"https:\/\/php.watch\/versions\/8.0\/error-display-E_ALL\" target=\"_blank\" rel=\"noreferrer noopener\">error reporting \u067e\u06cc\u0634\u200c\u0641\u0631\u0636 \u0631\u0648\u06cc <code>E_ALL<\/code> \u062a\u0646\u0638\u06cc\u0645 \u0634\u062f\u0647 \u0627\u0633\u062a<\/a><\/strong><\/h3>\n\n\n\n<p>\u06a9\u0627\u0646\u0641\u06cc\u06af \u067e\u06cc\u0634\u200c\u0641\u0631\u0636 PHP 8.0 \u0631\u0648\u06cc \u0646\u0645\u0627\u06cc\u0634 \u0647\u0645\u0647 \u067e\u06cc\u063a\u0627\u0645\u200c\u0647\u0627\u06cc \u062e\u0637\u0627 \u0627\u0633\u062a.\u0628\u0627 \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u062a\u0645\u0627\u0645 deprecation\u0647\u0627 \u0648 strict warning\u0647\u0627 \u062f\u0631 \u0648\u0631\u0698\u0646\u200c\u0647\u0627\u06cc \u0642\u0628\u0644 \u067e\u0646\u0647\u0627\u0646 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"startup-error-\u0647\u0627-\u0628\u0647-\u0635\u0648\u0631\u062a-\u067e\u06cc\u0634-\u0641\u0631\u0636-\u0646\u0645\u0627\u06cc\u0634-\u062f\u0627\u062f\u0647-\u0645\u06cc-\u0634\u0648\u0646\u062f\" style=\"font-size:18px\"><a href=\"https:\/\/php.watch\/versions\/8.0\/startup-errors-enabled\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>startup error\u200c\u0647\u0627 \u0628\u0647\u200c\u0635\u0648\u0631\u062a \u067e\u06cc\u0634\u200c\u0641\u0631\u0636 \u0646\u0645\u0627\u06cc\u0634 \u062f\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f<\/strong><\/a><\/h3>\n\n\n\n<p>  \u0627\u06cc\u0646 \u0646\u0633\u062e\u0647 \u0627\u0632 PHP \u0628\u0647\u200c\u0635\u0648\u0631\u062a \u067e\u06cc\u0634\u200c\u0641\u0631\u0636\u060c startup error\u200c\u0647\u0627 (failure to load dynamic extensions\u060c invalid INI configurations \u0648&#8230;) \u0631\u0627 \u0646\u0645\u0627\u06cc\u0634 \u0645\u06cc\u200c\u062f\u0647\u062f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"assertion-\u0647\u0627-\u0628\u0647-\u0635\u0648\u0631\u062a-\u067e\u06cc\u0634-\u0641\u0631\u0636-exception-\u0635\u0627\u062f\u0631-\u0645\u06cc-\u06a9\u0646\u0646\u062f\" style=\"font-size:18px\"><a href=\"https:\/\/php.watch\/versions\/8.0\/assert-throws\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>assertion\u200c\u0647\u0627 \u0628\u0647\u200c\u0635\u0648\u0631\u062a \u067e\u06cc\u0634\u200c\u0641\u0631\u0636 exception \u0635\u0627\u062f\u0631 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f<\/strong><\/a><\/h3>\n\n\n\n<p>assertion\u0647\u0627 (<code>()assert<\/code>) \u0627\u0633\u062a\u062b\u0646\u0627\u0647\u0627\u06cc\u06cc \u0647\u0646\u06af\u0627\u0645 assertion failure\u0647\u0627 \u067e\u0631\u062a\u0627\u0628 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f. \u0642\u0628\u0644 \u0627\u0632 PHP 8.0\u060c \u0628\u0647 \u06cc\u06a9 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u0635\u0631\u06cc\u062d \u06a9\u0647 \u0628\u0647\u200c\u0637\u0648\u0631 \u067e\u06cc\u0634\u200c\u0641\u0631\u0636 \u063a\u06cc\u0631\u0641\u0639\u0627\u0644 \u0628\u0648\u062f\u060c \u0627\u062d\u062a\u06cc\u0627\u062c \u0628\u0648\u062f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u0639\u0645\u0644\u06af\u0631-error-suppression-\u062e\u0637\u0627\u0647\u0627\u06cc-fatal-\u0631\u0627-\u063a\u06cc\u0631-\u0641\u0639\u0627\u0644-\u0646\u0645\u06cc-\u06a9\u0646\u062f\" style=\"font-size:18px\"><strong><a href=\"https:\/\/php.watch\/versions\/8.0\/fatal-error-suppression\" target=\"_blank\" rel=\"noreferrer noopener\">\u0639\u0645\u0644\u06af\u0631 Error Suppression <code>@<\/code> \u062e\u0637\u0627\u0647\u0627\u06cc fatal \u0631\u0627 \u063a\u06cc\u0631\u200c\u0641\u0639\u0627\u0644 \u0646\u0645\u06cc\u200c\u06a9\u0646\u062f<\/a><\/strong><\/h3>\n\n\n\n<p>PHP 8.0 \u0631\u0641\u062a\u0627\u0631 \u0639\u0645\u0644\u06af\u0631 Error Suppression <code>@<\/code> \u0631\u0627 \u06a9\u0647 fatal error\u200c\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0645\u0646\u062c\u0631 \u0628\u0647 \u062e\u0631\u0627\u0628\u06cc \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0645\u06cc\u200c\u0634\u0648\u0646\u062f \u0631\u0627 \u063a\u06cc\u0631\u200c\u0641\u0639\u0627\u0644 \u0645\u06cc\u200c\u06a9\u0631\u062f\u060c \u0627\u0635\u0644\u0627\u062d \u06a9\u0631\u062f\u0647 \u0627\u0633\u062a\u060c \u0632\u06cc\u0631\u0627 \u0639\u0645\u0644\u06af\u0631 <code>@<\/code> \u0627\u0632 fatal error\u200c\u0647\u0627 \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0646\u0645\u06cc\u200c\u06a9\u0646\u062f\u060c \u0628\u0644\u06a9\u0647 \u067e\u06cc\u063a\u0627\u0645\u200c\u0647\u0627\u06cc \u062e\u0637\u0627 \u0631\u0627 \u067e\u0646\u0647\u0627\u0646 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-black-color has-css-opacity has-black-background-color has-background is-style-dots\"\/>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\" id=\"\u0645\u0647\u0627\u062c\u0631\u062a-\u0645\u0646\u0628\u0639-resource-\u0628\u0647-\u0634\u06cc\u0621-object\"><span class=\"ez-toc-section\" id=\"%D9%85%D9%87%D8%A7%D8%AC%D8%B1%D8%AA_%D9%85%D9%86%D8%A8%D8%B9_resource_%D8%A8%D9%87_%D8%B4%DB%8C%D8%A1_object\"><\/span><a href=\"https:\/\/php.watch\/articles\/resource-object#resource-php80\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\u0645\u0647\u0627\u062c\u0631\u062a \u0645\u0646\u0628\u0639 (resource) \u0628\u0647 \u0634\u06cc\u0621 (object)<\/strong><\/a><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u06cc\u06a9\u06cc \u0627\u0632 \u062a\u0644\u0627\u0634\u200c\u0647\u0627\u06cc \u0637\u0648\u0644\u0627\u0646\u06cc\u200c\u0645\u062f\u062a \u062f\u0631 \u062a\u0648\u0633\u0639\u0647 PHP<a href=\"https:\/\/php.watch\/articles\/resource-object\"> \u06a9\u0646\u0627\u0631 \u06af\u0630\u0627\u0634\u062a\u0646 <code>resource<\/code> \u062a\u0627\u06cc\u067e\u200c\u0647\u0627<\/a> \u0628\u0648\u062f\u060c \u0632\u06cc\u0631\u0627 \u06a9\u0627\u0631 \u06a9\u0631\u062f\u0646 \u0628\u0627 \u0622\u0646\u200c\u0647\u0627 \u062f\u0634\u0648\u0627\u0631 \u0628\u0648\u062f. \u062d\u062a\u06cc \u062f\u0631 PHP 8.0 \u0646\u06cc\u0632 resource\u0647\u0627 \u0627\u0632 typing \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0646\u0645\u06cc\u200c\u06a9\u0646\u0646\u062f.<\/p>\n\n\n\n<p><code>resource<\/code> object\u0647\u0627 \u0628\u0627 \u0632\u0628\u0627\u0644\u0647\u200c\u0631\u0648\u0628 (garbage collector) \u0646\u06cc\u0632 \u0628\u0647\u200c\u062e\u0648\u0628\u06cc \u06a9\u0627\u0631 \u0646\u0645\u06cc\u200c\u06a9\u0631\u062f\u0646\u062f. \u0627\u06cc\u0646 \u0627\u0645\u0631 \u0645\u0646\u062c\u0631 \u0628\u0647 \u0646\u0634\u062a \u062d\u0627\u0641\u0638\u0647 (memory leak) \u062f\u0631 <code>resource<\/code> object\u0647\u0627\u06cc\u06cc (\u0645\u0627\u0646\u0646\u062f<a href=\"https:\/\/php.watch\/versions\/8.0\/XMLParser-resource\"> <code>xml<\/code>)<\/a> \u0645\u06cc\u200c\u0634\u062f.<\/p>\n\n\n\n<p>\u062f\u0631 PHP 8.0\u060c \u0628\u0631\u062e\u06cc \u0627\u0632 \u067e\u0631\u06a9\u0627\u0631\u0628\u0631\u062f\u062a\u0631\u06cc\u0646 \u0627\u0641\u0632\u0648\u0646\u0647\u200c\u0647\u0627 \u0627\u0632 <code>resource<\/code> object\u0647\u0627\u06cc \u0645\u062a\u062f\u0627\u0648\u0644 \u0628\u0647 \u06a9\u0644\u0627\u0633\u200c\u0647\u0627\u06cc \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f PHP \u0645\u0646\u062a\u0642\u0644 \u0634\u062f\u0647\u200c\u0627\u0646\u062f.<\/p>\n\n\n\n<p>\u062f\u0631  resource object \u060cPHP 8.0\u0647\u0627 \u0628\u0647\u200c\u0639\u0646\u0648\u0627\u0646 value-object\u0647\u0627 \u0628\u0647\u200c\u062c\u0627\u06cc \u06a9\u0644\u0627\u0633\u200c\u0647\u0627\u06cc \u06a9\u0627\u0645\u0644\u0627\u064b \u0645\u0634\u062e\u0635 \u0628\u0627 \u0645\u062a\u062f\u0647\u0627\u06cc \u0645\u0648\u062c\u0648\u062f \u062f\u0631 \u0622\u0646\u200c\u0647\u0627 \u06a9\u0627\u0631 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f. \u0627\u06a9\u062b\u0631 \u0627\u06cc\u0646 \u06a9\u0644\u0627\u0633\u200c\u0647\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0627\u06cc\u062c\u0627\u062f \u0646\u0645\u0648\u0646\u0647\u200c\u0633\u0627\u0632\u06cc \u0628\u0627 \u0633\u0627\u062e\u062a\u0627\u0631 \u062c\u062f\u06cc\u062f <code>()Foo<\/code> \u0631\u0627 \u0646\u06cc\u0632 \u0646\u062f\u0627\u0631\u0646\u062f \u0648 \u0628\u0627\u06cc\u062f \u0628\u0627 \u062a\u0648\u0627\u0628\u0639 \u0645\u0648\u062c\u0648\u062f \u06a9\u0647 <code>resource<\/code> object\u0647\u0627 \u0631\u0627 \u062f\u0631 \u0646\u0633\u062e\u0647\u200c\u0647\u0627\u06cc \u0642\u0628\u0644\u06cc \u0628\u0627\u0632\u06af\u0631\u062f\u0627\u0646\u062f\u0647\u200c\u0627\u0646\u062f\u060c \u0646\u0645\u0648\u0646\u0647\u200c\u0633\u0627\u0632\u06cc \u0634\u0648\u0646\u062f.<\/p>\n\n\n\n<p>\u0645\u0647\u0627\u062c\u0631\u062a <code>resource<\/code> \u0628\u0647 \u0634\u06cc\u0621 \u062f\u0631 PHP 8.0 \u06a9\u0627\u0645\u0644\u0627\u064b \u06cc\u06a9\u067e\u0627\u0631\u0686\u0647 \u0627\u0633\u062a\u060c \u0632\u06cc\u0631\u0627 \u062f\u0631 \u0647\u0645\u0647 \u062a\u0648\u0627\u0628\u0639 \u0627\u0634\u06cc\u0627\u0621 \u062c\u062f\u06cc\u062f \u0631\u0627 \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f\u0647 \u0648 \u0645\u06cc\u200c\u067e\u0630\u06cc\u0631\u062f \u0648 \u0628\u0627 \u0647\u0645\u0627\u0646 \u0645\u0639\u0646\u0627\u06cc <code>resource<\/code> object\u0647\u0627\u06cc \u0642\u0628\u0644\u06cc \u0631\u0641\u062a\u0627\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>object (PHP &gt;= 8.0)<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong><code>resource<\/code> (PHP &lt; 8.0)<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Extension<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><code><a href=\"https:\/\/php.watch\/versions\/8.0\/resource-CurlHandle#curl-init\" target=\"_blank\" rel=\"noreferrer noopener\">CurlHandle<\/a><\/code><\/td><td class=\"has-text-align-center\" data-align=\"center\"><code>Curl<\/code><\/td><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/php.watch\/versions\/8.0\/resource-CurlHandle\" target=\"_blank\" rel=\"noreferrer noopener\">Curl<\/a><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><code><a href=\"https:\/\/php.watch\/versions\/8.0\/resource-CurlHandle#curl-multi-init\" target=\"_blank\" rel=\"noreferrer noopener\">CurlMultiHandle<\/a><\/code><\/td><td class=\"has-text-align-center\" data-align=\"center\"><code>curl_multi<\/code><\/td><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/php.watch\/versions\/8.0\/resource-CurlHandle\" target=\"_blank\" rel=\"noreferrer noopener\">Curl<\/a><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><code><a href=\"https:\/\/php.watch\/versions\/8.0\/resource-CurlHandle#curl-share-init\" target=\"_blank\" rel=\"noreferrer noopener\">CurlShareHandle<\/a><\/code><\/td><td class=\"has-text-align-center\" data-align=\"center\"><code>curl_share<\/code><\/td><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/php.watch\/versions\/8.0\/resource-CurlHandle\" target=\"_blank\" rel=\"noreferrer noopener\">Curl<\/a><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><code><a href=\"https:\/\/php.watch\/versions\/8.0\/gdimage#gdimage-class\" target=\"_blank\" rel=\"noreferrer noopener\">GdImage<\/a><\/code><\/td><td class=\"has-text-align-center\" data-align=\"center\"><code>gd<\/code><\/td><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/php.watch\/versions\/8.0\/gdimage\" target=\"_blank\" rel=\"noreferrer noopener\">GD<\/a><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><code><a href=\"https:\/\/php.watch\/versions\/8.0\/sockets-sockets-addressinfo#socket-class\" target=\"_blank\" rel=\"noreferrer noopener\">Socket<\/a><\/code><\/td><td class=\"has-text-align-center\" data-align=\"center\"><code>Sockets<\/code><\/td><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/php.watch\/versions\/8.0\/sockets-sockets-addressinfo\" target=\"_blank\" rel=\"noreferrer noopener\">Sockets<\/a><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><code><a href=\"https:\/\/php.watch\/versions\/8.0\/sockets-sockets-addressinfo#addressinfo-class\" target=\"_blank\" rel=\"noreferrer noopener\">AddressInfo<\/a><\/code><\/td><td class=\"has-text-align-center\" data-align=\"center\"><code>AddressInfo<\/code><\/td><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/php.watch\/versions\/8.0\/sockets-sockets-addressinfo\" target=\"_blank\" rel=\"noreferrer noopener\">Sockets<\/a><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><code><a href=\"https:\/\/php.watch\/versions\/8.0\/OpenSSL-resource#OpenSSLAsymmetricKey\" target=\"_blank\" rel=\"noreferrer noopener\">OpenSSLAsymmetricKey<\/a><\/code><\/td><td class=\"has-text-align-center\" data-align=\"center\"><code>OpenSSL key<\/code><\/td><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/php.watch\/versions\/8.0\/OpenSSL-resource\" target=\"_blank\" rel=\"noreferrer noopener\">OpenSSL<\/a><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><code><a href=\"https:\/\/php.watch\/versions\/8.0\/OpenSSL-resource#OpenSSLCertificate\" target=\"_blank\" rel=\"noreferrer noopener\">OpenSSLCertificate<\/a><\/code><\/td><td class=\"has-text-align-center\" data-align=\"center\"><code>OpenSSL X.509<\/code><\/td><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/php.watch\/versions\/8.0\/OpenSSL-resource\" target=\"_blank\" rel=\"noreferrer noopener\">OpenSSL<\/a><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><code>OpenSSLCertificateSigningRequest<\/code><\/td><td class=\"has-text-align-center\" data-align=\"center\"><code>OpenSSL X.509 CSR<\/code><\/td><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/php.watch\/versions\/8.0\/OpenSSL-resource\" target=\"_blank\" rel=\"noreferrer noopener\">OpenSSL<\/a><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><code><a href=\"https:\/\/php.watch\/versions\/8.0\/xmlwriter-resource\" target=\"_blank\" rel=\"noreferrer noopener\">XMLWriter<\/a><\/code><\/td><td class=\"has-text-align-center\" data-align=\"center\"><code>xmlwriter<\/code><\/td><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/php.watch\/versions\/8.0\/xmlwriter-resource\" target=\"_blank\" rel=\"noreferrer noopener\">XMLWriter<\/a><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><code><a href=\"https:\/\/php.watch\/versions\/8.0\/XMLParser-resource#xmlparser\" target=\"_blank\" rel=\"noreferrer noopener\">XMLParser<\/a><\/code><\/td><td class=\"has-text-align-center\" data-align=\"center\"><code>xml<\/code><\/td><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/php.watch\/versions\/8.0\/XMLParser-resource\" target=\"_blank\" rel=\"noreferrer noopener\">XML<\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-black-color has-css-opacity has-black-background-color has-background is-style-dots\"\/>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\" id=\"\u062a\u063a\u06cc\u06cc\u0631\u0627\u062a-\u0628\u0631\u0646\u0627\u0645\u0647-\u0646\u0648\u06cc\u0633\u06cc-\u0634\u06cc\u0621-\u06af\u0631\u0627-object-oriented-\u062f\u0631-php\"><span class=\"ez-toc-section\" id=\"%D8%AA%D8%BA%DB%8C%DB%8C%D8%B1%D8%A7%D8%AA_%D8%A8%D8%B1%D9%86%D8%A7%D9%85%D9%87%E2%80%8C%D9%86%D9%88%DB%8C%D8%B3%DB%8C_%D8%B4%DB%8C%D8%A1%E2%80%8C%DA%AF%D8%B1%D8%A7_object-oriented_%D8%AF%D8%B1_PHP\"><\/span>\u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0646\u0648\u06cc\u0633\u06cc \u0634\u06cc\u0621\u200c\u06af\u0631\u0627 (object-oriented) \u062f\u0631 PHP<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>PHP 8.0 \u0627\u0648\u0644\u06cc\u0646 \u0646\u0633\u062e\u0647 \u0628\u0627 \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0639\u0645\u062f\u0647 \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631\u200c\u0645\u0648\u0631\u062f \u0646\u0642\u0636 \u0627\u0635\u0644 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc Liskov \u0633\u062e\u062a\u200c\u06af\u06cc\u0631\u06cc \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0646\u0633\u062e\u0647\u200c\u0647\u0627\u06cc \u0642\u0628\u0644 \u0627\u0632 PHP 8.0 \u062f\u0631 \u0646\u062d\u0648\u0647 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0627\u0645\u0636\u0627\u06cc \u0646\u0627\u0633\u0627\u0632\u06af\u0627\u0631 \u0645\u062a\u062f\u0647\u0627\u060c \u0645\u0634\u06a9\u0644\u0627\u062a\u06cc \u062f\u0627\u0634\u062a\u0646\u062f.<\/p>\n\n\n\n<p>\u062f\u0631 PHP 8.0\u060c \u0647\u0645\u0647 \u0639\u062f\u0645\u200c\u062a\u0637\u0627\u0628\u0642 \u0627\u0645\u0636\u0627\u200c\u0647\u0627\u060c \u0627\u0632 \u062c\u0645\u0644\u0647 trait\u0647\u0627\u06cc \u0627\u0646\u062a\u0632\u0627\u0639\u06cc\u060c \u0645\u0646\u062c\u0631 \u0628\u0647 fatal error \u0645\u06cc\u200c\u0634\u0648\u0646\u062f. \u0639\u0644\u0627\u0648\u0647 \u0628\u0631 \u0627\u06cc\u0646\u060c \u0627\u0645\u0636\u0627\u0647\u0627 \u0628\u0631\u0627\u06cc \u0645\u062a\u062f\u200c\u0647\u0627\u06cc \u062c\u0627\u062f\u0648\u06cc\u06cc PHP \u0646\u06cc\u0632 \u0627\u062c\u0631\u0627 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"fatal-error-\u0647\u0627-\u062f\u0631-\u0627\u0645\u0636\u0627\u0647\u0627\u06cc-\u0645\u062a\u062f-\u0646\u0627\u0633\u0627\u0632\u06af\u0627\u0631\" style=\"font-size:18px\"><a href=\"https:\/\/php.watch\/versions\/8.0\/lsp-errors\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Fatal error\u200c\u0647\u0627 \u062f\u0631 \u0627\u0645\u0636\u0627\u0647\u0627\u06cc \u0645\u062a\u062f \u0646\u0627\u0633\u0627\u0632\u06af\u0627\u0631<\/strong><\/a><\/h3>\n\n\n\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0646\u0633\u062e\u0647\u060c \u0648\u0642\u062a\u06cc<a href=\"https:\/\/php.watch\/articles\/php-lsp\" target=\"_blank\" rel=\"noreferrer noopener\"> \u0627\u0635\u0644 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc Liskov<\/a> \u0647\u0646\u06af\u0627\u0645 \u0627\u0631\u062b\u200c\u0628\u0631\u06cc \u06a9\u0644\u0627\u0633\u200c\u0647\u0627 \u06cc\u0627 \u067e\u06cc\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc \u0631\u0627\u0628\u0637\u200c\u0647\u0627 \u0631\u0639\u0627\u06cc\u062a \u0646\u0634\u0648\u062f\u060c fatal error\u0647\u0627\u06cc\u06cc \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc\u200c\u0634\u0648\u0646\u062f. \u0642\u0628\u0644 \u0627\u0632 PHP 8.0\u060c \u0641\u0642\u0637 \u0627\u0645\u0636\u0627\u0647\u0627\u06cc \u0646\u0627\u0633\u0627\u0632\u06af\u0627\u0631 \u0647\u0634\u062f\u0627\u0631 \u0627\u0631\u0633\u0627\u0644 \u0645\u06cc\u200c\u06a9\u0631\u062f\u0646\u062f.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"php\" class=\"language-php\">class Foo {\n    public function process(stdClass $item): array {}\n}\n\nclass SuperFoo extends Foo{\n    public function process(array $items): array {}\n    \/\/                      ^^^^^ mismatch\n}<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"php\" class=\"language-php\">Fatal error: Declaration of SuperFoo::process(array $items): array must be compatible with Foo::process(stdClass $item): array in ... on line ...<\/code><\/pre>\n\n\n\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u0627\u0645\u0636\u0627\u0647\u0627\u06cc-\u06a9\u0644\u0627\u0633-\u0645\u062a\u062f-\u062c\u0627\u062f\u0648\u06cc\u06cc-\u0628\u0627-\u0633\u062e\u062a-\u06af\u06cc\u0631\u06cc-\u0627\u062c\u0631\u0627-\u0645\u06cc-\u0634\u0648\u0646\u062f\" style=\"font-size:18px\"><strong><a href=\"https:\/\/php.watch\/versions\/8.0\/magic-method-signatures\" target=\"_blank\" rel=\"noreferrer noopener\">\u0627\u0645\u0636\u0627\u0647\u0627\u06cc \u06a9\u0644\u0627\u0633 \u0645\u062a\u062f \u062c\u0627\u062f\u0648\u06cc\u06cc \u0628\u0627 \u0633\u062e\u062a\u200c\u06af\u06cc\u0631\u06cc \u0627\u062c\u0631\u0627 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f<\/a><\/strong><\/h3>\n\n\n\n<p>\u0627\u0632 \u0646\u0633\u062e\u0647 PHP 8.0 \u0628\u0647 \u0628\u0639\u062f\u060c \u0627\u06af\u0631 \u0645\u062a\u062f\u200c\u0647\u0627\u06cc \u062c\u0627\u062f\u0648\u06cc\u06cc (\u0628\u0647\u200c\u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644  <code>()tostring__<\/code> \u0648  <code>()get__<\/code>  \u0648&#8230;) type\u200c\u0647\u0627 \u0631\u0627 \u0627\u0639\u0644\u0627\u0645 \u200c\u06a9\u0646\u0646\u062f\u060c \u0628\u0627\u06cc\u062f \u0627\u0645\u0636\u0627\u06cc \u0645\u0648\u0631\u062f\u200c\u0627\u0646\u062a\u0638\u0627\u0631 PHP \u0631\u0627 \u067e\u06cc\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc \u06a9\u0646\u0646\u062f. \u0627\u06cc\u0646 \u062a\u063a\u06cc\u06cc\u0631 \u0628\u0647\u200c\u0645\u0646\u0638\u0648\u0631 \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u0627\u0639\u0644\u0627\u0645 \u06cc\u06a9 \u0645\u062a\u062f \u062c\u0627\u062f\u0648\u06cc\u06cc \u062a\u0648\u0633\u0637 \u06a9\u0627\u0631\u0628\u0631 \u06a9\u0647 \u0627\u0632 \u0645\u0639\u0646\u0627\u06cc \u0627\u0635\u0644\u06cc \u0622\u0646 \u067e\u06cc\u0631\u0648\u06cc \u0646\u0645\u06cc\u200c\u06a9\u0646\u062f\u060c \u0627\u06cc\u062c\u0627\u062f \u0634\u062f\u0647 \u0627\u0633\u062a.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"php\" class=\"language-php\">class Foo {\n    public function __toString(): object\n   {\n    }\n}<\/code><\/pre>\n\n\n\n<p>\u062f\u0631 \u0646\u0633\u062e\u0647\u200c\u0647\u0627\u06cc \u0642\u0628\u0644\u06cc PHP\u060c \u062a\u0639\u0627\u0631\u06cc\u0641\u06cc \u0645\u0627\u0646\u0646\u062f <code>Foo::__toString(): object<\/code> \u0645\u062c\u0627\u0632 \u0628\u0648\u062f\u0646\u062f\u060c \u0627\u0645\u0627 \u062f\u0631 PHP 8.0 \u0627\u06af\u0631 \u0627\u0645\u0636\u0627 \u0645\u0637\u0627\u0628\u0642 \u0628\u0627<a href=\"https:\/\/php.watch\/versions\/8.0\/magic-method-signatures#signatures\" target=\"_blank\" rel=\"noreferrer noopener\"> \u0627\u0644\u0632\u0627\u0645\u0627\u062a<\/a> \u0646\u0628\u0627\u0634\u062f\u060c \u06cc\u06a9 \u0627\u0633\u062a\u062b\u0646\u0627 \u0627\u0631\u0633\u0627\u0644 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc-\u0627\u0633\u062a\u0627\u062a\u06cc\u06a9-\u0645\u062a\u062f\u0647\u0627\u06cc-\u063a\u06cc\u0631-\u0627\u0633\u062a\u0627\u062a\u06cc\u06a9-\u06a9\u0644\u0627\u0633-\u0645\u0646\u062c\u0631-\u0628\u0647-fatal-error-\u0645\u06cc-\u0634\u0648\u062f\" style=\"font-size:18px\"><a href=\"https:\/\/php.watch\/versions\/8.0\/non-static-static-call-fatal-error\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0627\u0633\u062a\u0627\u062a\u06cc\u06a9 \u0645\u062a\u062f\u0647\u0627\u06cc \u063a\u06cc\u0631\u200c\u0627\u0633\u062a\u0627\u062a\u06cc\u06a9 \u06a9\u0644\u0627\u0633 \u0645\u0646\u062c\u0631 \u0628\u0647 fatal error \u0645\u06cc\u200c\u0634\u0648\u062f<\/strong><\/a><\/h3>\n\n\n\n<p>PHP 8.0 \u062f\u06cc\u06af\u0631 \u0627\u062c\u0627\u0632\u0647 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0627\u0633\u062a\u0627\u062a\u06cc\u06a9 \u0645\u062a\u062f\u0647\u0627\u06cc \u063a\u06cc\u0631\u0627\u0633\u062a\u0627\u062a\u06cc\u06a9 \u06a9\u0644\u0627\u0633 \u0631\u0627 \u0646\u0645\u06cc\u200c\u062f\u0647\u062f.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"php\" class=\"language-php\">class Foo {\n    public function bar() {}\n}\nFoo::bar();<\/code><\/pre>\n\n\n\n<p>\u0646\u0633\u062e\u0647\u200c\u0647\u0627\u06cc \u0642\u0628\u0644\u06cc \u0627\u062e\u0637\u0627\u0631 deprecation \u0645\u0646\u062a\u0634\u0631 \u0645\u06cc\u200c\u06a9\u0631\u062f\u0646\u062f\u060c \u0627\u0645\u0627 \u0627\u0632 PHP 8.0 \u0628\u0647 \u0628\u0639\u062f \u06cc\u06a9 fatal error \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u0642\u0648\u0627\u0646\u06cc\u0646-\u0648\u0631\u0627\u062b\u062a-inheritance-\u062f\u0631-\u0631\u0648\u0634-\u0647\u0627\u06cc-\u06a9\u0644\u0627\u0633-\u062e\u0635\u0648\u0635\u06cc-\u0627\u0639\u0645\u0627\u0644-\u0646\u0645\u06cc-\u0634\u0648\u0646\u062f\" style=\"font-size:18px\"><a href=\"https:\/\/php.watch\/versions\/8.0\/final-private-function\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\u0642\u0648\u0627\u0646\u06cc\u0646 \u0648\u0631\u0627\u062b\u062a (inheritance) \u062f\u0631 \u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u06a9\u0644\u0627\u0633 \u062e\u0635\u0648\u0635\u06cc \u0627\u0639\u0645\u0627\u0644 \u0646\u0645\u06cc\u200c\u0634\u0648\u0646\u062f<\/strong><\/a><\/h3>\n\n\n\n<p>PHP 8.0 \u0633\u062e\u062a\u200c\u06af\u06cc\u0631\u06cc \u062f\u0631 \u0627\u062c\u0631\u0627\u06cc <strong><code>abstract<\/code><\/strong> \u0648 <strong><code>static<\/code><\/strong> \u0631\u0627 \u0628\u0631\u0627\u06cc \u0645\u062a\u062f\u0647\u0627\u06cc <strong><code>private<\/code><\/strong> \u06a9\u0644\u0627\u0633 \u06a9\u0645 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0627\u06cc\u0646 \u062a\u063a\u06cc\u06cc\u0631 \u0628\u0647\u200c\u062f\u0644\u06cc\u0644 \u0627\u06cc\u0646\u06a9\u0647 \u0645\u062a\u062f\u0647\u0627\u06cc <strong><code>private<\/code><\/strong> \u0641\u0642\u0637 <strong><code>private<\/code><\/strong> \u0647\u0633\u062a\u0646\u062f\u060c \u0627\u06cc\u062c\u0627\u062f \u0634\u062f\u0647 \u0627\u0633\u062a.<\/p>\n\n\n\n<p>\u062f\u0631 PHP 8.0\u060c \u06a9\u0644\u0627\u0633\u200c\u0647\u0627\u06cc \u0641\u0631\u0632\u0646\u062f (child class) \u0645\u062c\u0627\u0632 \u0628\u0647 \u062a\u0639\u0631\u06cc\u0641 \u0645\u062a\u062f\u0647\u0627\u06cc<strong> <code>abstract<\/code> <\/strong>\u0648 \u062a\u063a\u06cc\u06cc\u0631 flag\u200c\u0647\u0627\u06cc static \u0628\u0631\u0627\u06cc \u0645\u062a\u062f\u0647\u0627\u06cc \u062e\u0635\u0648\u0635\u06cc \u0647\u0633\u062a\u0646\u062f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u062b\u0627\u0628\u062a-\u062c\u0627\u062f\u0648\u06cc\u06cc-class-\u0631\u0648\u06cc-\u0627\u0634\u06cc\u0627\u0621-\u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc-\u0645\u06cc-\u0634\u0648\u062f\" style=\"font-size:18px\"><a href=\"https:\/\/php.watch\/versions\/8.0\/class-constant-on-objects\"><strong>\u062b\u0627\u0628\u062a \u062c\u0627\u062f\u0648\u06cc\u06cc <\/strong><\/a><strong><code><a href=\"https:\/\/php.watch\/versions\/8.0\/class-constant-on-objects\" target=\"_blank\" rel=\"noreferrer noopener\">class::<\/a><\/code><\/strong><a href=\"https:\/\/php.watch\/versions\/8.0\/class-constant-on-objects\" target=\"_blank\" rel=\"noreferrer noopener\"><strong> \u0631\u0648\u06cc \u0627\u0634\u06cc\u0627\u0621 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0645\u06cc\u200c\u0634\u0648\u062f<\/strong><\/a><\/h3>\n\n\n\n<p>\u062b\u0627\u0628\u062a \u062c\u0627\u062f\u0648\u06cc\u06cc<strong> <code>class::<\/code> <\/strong>\u0646\u0627\u0645 \u06a9\u0644\u0627\u0633 \u0631\u0627 \u0628\u0647\u200c\u0635\u0648\u0631\u062a \u06a9\u0627\u0645\u0644 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f. \u062f\u0631 \u0646\u0633\u062e\u0647\u200c\u0647\u0627\u06cc \u0642\u0628\u0644\u060c \u0627\u06cc\u0646 \u062b\u0627\u0628\u062a \u0641\u0642\u0637 \u062f\u0631 \u06a9\u0644\u0627\u0633\u200c\u0647\u0627 (\u0645\u0627\u0646\u0646\u062f <code>Foo\\Bar::class<\/code>) \u0645\u062c\u0627\u0632 \u0628\u0648\u062f\u060c \u0627\u0645\u0627 \u062f\u0631 PHP 8.0\u060c \u062b\u0627\u0628\u062a \u062c\u0627\u062f\u0648\u06cc\u06cc <code><strong>class<\/strong>::<\/code> \u0631\u0648\u06cc \u0627\u0634\u06cc\u0627\u0621 \u0646\u0645\u0648\u0646\u0647\u200c\u0633\u0627\u0632\u06cc\u200c\u0634\u062f\u0647 \u0646\u06cc\u0632 \u06a9\u0627\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-black-color has-css-opacity has-black-background-color has-background is-style-dots\"\/>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\" id=\"\u062a\u063a\u06cc\u06cc\u0631\u0627\u062a-\u0645\u0631\u062a\u0628\u0637-\u0628\u0627-\u0631\u0634\u062a\u0647\"><span class=\"ez-toc-section\" id=\"%D8%AA%D8%BA%DB%8C%DB%8C%D8%B1%D8%A7%D8%AA_%D9%85%D8%B1%D8%AA%D8%A8%D8%B7_%D8%A8%D8%A7_%D8%B1%D8%B4%D8%AA%D9%87\"><\/span><strong>\u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0645\u0631\u062a\u0628\u0637 \u0628\u0627 \u0631\u0634\u062a\u0647<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u062f\u0631 \u0628\u06cc\u0646 <strong>\u062a\u063a\u06cc\u06cc\u0631\u0627\u062a PHP 8.0<\/strong>\u060c \u0686\u0646\u062f\u06cc\u0646 \u062a\u063a\u06cc\u06cc\u0631 \u0638\u0631\u06cc\u0641 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u062f\u0631 \u0627\u0628\u062a\u062f\u0627 \u0645\u0634\u062e\u0635 \u0646\u0628\u0627\u0634\u0646\u062f\u060c \u0627\u0645\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u0646\u062a\u0627\u06cc\u062c \u06a9\u0627\u0645\u0644\u0627\u064b \u063a\u06cc\u0631\u200c\u0645\u0646\u062a\u0638\u0631\u0647\u200c\u0627\u06cc \u0631\u0627 \u0628\u0647 \u0647\u0645\u0631\u0627\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u0646\u062f.<\/p>\n\n\n\n<p>\u06cc\u06a9 \u062a\u0641\u0627\u0648\u062a \u0639\u0645\u062f\u0647 \u062f\u0631 PHP 8.0 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 PHP \u0627\u06a9\u0646\u0648\u0646 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u062e\u0627\u0644\u06cc \u0628\u06cc\u0646 \u0647\u0631 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631 \u0627\u0632 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0645\u0634\u062e\u0635 \u062f\u0631\u200c\u0646\u0638\u0631 \u0645\u06cc\u200c\u06af\u06cc\u0631\u062f.<\/p>\n\n\n\n<p>\u0642\u0628\u0644 \u0627\u0632 PHP 8.0\u060c \u0628\u0631\u0631\u0633\u06cc \u0648\u062c\u0648\u062f \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u062e\u0627\u0644\u06cc (<code>\"\"<\/code>) \u0645\u062c\u0627\u0632 \u0646\u0628\u0648\u062f\u060c \u0627\u0645\u0627 PHP 8.0 \u0622\u0646 \u0631\u0627 \u0645\u06cc\u200c\u067e\u0630\u06cc\u0631\u062f \u0648 \u0627\u06cc\u0646\u06a9\u0647 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u062e\u0627\u0644\u06cc \u0628\u06cc\u0646 \u0647\u0631 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f.<\/p>\n\n\n\n<p>\u0645\u062f\u06cc\u0631\u06cc\u062a \u0686\u0646\u062f\u200c\u0628\u0627\u06cc\u062a\u06cc \u06cc\u0627 \u062a\u0648\u0627\u0628\u0639\u06cc \u0645\u0627\u0646\u0646\u062f <code>strlen<\/code> \u0647\u0646\u0648\u0632 \u0647\u0645\u0627\u0646 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0646\u0633\u062e\u0647\u200c\u0647\u0627\u06cc \u0642\u062f\u06cc\u0645\u06cc \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u0646\u062f\u060c \u0627\u0645\u0627 \u0647\u0645\u0647 \u062a\u0648\u0627\u0628\u0639\u06cc \u06a9\u0647 \u06cc\u06a9 \u0632\u06cc\u0631\u200c\u0631\u0634\u062a\u0647 \u0631\u0627 \u062f\u0631 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u062c\u0633\u062a\u062c\u0648 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f\u060c \u062a\u063a\u06cc\u06cc\u0631 \u06a9\u0631\u062f\u0647\u200c\u0627\u0646\u062f.<\/p>\n\n\n\n<p style=\"font-size:14.5px\">\u0639\u0644\u0627\u0648\u0647 \u0628\u0631 \u0627\u06cc\u0646\u060c PHP 8.0 \u0646\u062d\u0648\u0647 \u0627\u0648\u0644\u0648\u06cc\u062a\u200c\u0628\u0646\u062f\u06cc \u0648 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0627\u0632 \u0627\u0635\u0644\u0627\u062d\u200c\u06a9\u0646\u0646\u062f\u0647\u200c\u0647\u0627\u06cc \u062c\u062f\u06cc\u062f \u062f\u0631 \u062a\u0648\u0627\u0628\u0639 <code>sprintf<\/code> (\u0645\u0627\u0646\u0646\u062f <a href=\"https:\/\/php.watch\/versions\/8.0\/printf-h-specifiers\" target=\"_blank\" rel=\"noreferrer noopener\">\u0627\u0635\u0644\u0627\u062d\u200c\u06a9\u0646\u0646\u062f\u06af\u0627\u0646 <code>%h<\/code> \u0648 <code>%H<\/code><\/a> \u0648 <a href=\"https:\/\/php.watch\/versions\/8.0\/printf-precision-modifier\" target=\"_blank\" rel=\"noreferrer noopener\"><code>*<\/code> width and precision<\/a>) \u062a\u0648\u0633\u0637 \u0639\u0645\u0644\u06af\u0631 \u0627\u0644\u062d\u0627\u0642 \u0631\u0634\u062a\u0647 \u0631\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0627\u062f\u0647 \u0627\u0633\u062a.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"substr-iconv-substr-\u0648-grapheme-substr-\u0631\u0634\u062a\u0647-\u062e\u0627\u0644\u06cc-\u0631\u0627-\u062f\u0631-offset-\u0647\u0627\u06cc-\u062e\u0627\u0631\u062c-\u0627\u0632-\u0645\u062d\u062f\u0648\u062f\u0647-\u0628\u0631-\u0645\u06cc-\u06af\u0631\u062f\u0627\u0646\u0646\u062f\" style=\"font-size:18px\"><strong><a href=\"https:\/\/php.watch\/versions\/8.0\/substr-out-of-bounds\" target=\"_blank\" rel=\"noreferrer noopener\"><code>substr<\/code> \u060c<code>iconv_substr<\/code> \u0648 <code>grapheme_substr\u200c<\/code> \u0631\u0634\u062a\u0647 \u062e\u0627\u0644\u06cc \u0631\u0627 \u062f\u0631 offset\u200c\u0647\u0627\u06cc \u062e\u0627\u0631\u062c \u0627\u0632 \u0645\u062d\u062f\u0648\u062f\u0647 \u0628\u0631\u200c\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u0646\u062f<\/a><\/strong><\/h3>\n\n\n\n<p>\u0627\u06cc\u0646 \u062a\u0648\u0627\u0628\u0639 \u067e\u0627\u0631\u0627\u0645\u062a\u0631\u0647\u0627\u06cc needle \u0648 offset \u0631\u0627 \u0628\u0647 \u0637\u0648\u0644 \u0631\u0634\u062a\u0647 \u0645\u0642\u06cc\u062f \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f \u0648 \u0628\u0647\u200c\u062c\u0627\u06cc \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f\u0646 <strong><code>false<\/code><\/strong>\u060c \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u062e\u0627\u0644\u06cc \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u0646\u062f.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"php\" class=\"language-php\">substr('FooBar', 42, 3); \/\/ \"\" in PHP &gt;=8.0, false in PHP &lt; 8.0\nmb_substr('FooBar', 42, 3); \/\/ \"\" in PHP &gt;=8.0, false in PHP &lt; 8.0\niconv_substr('FooBar', 42, 3); \/\/ \"\" in PHP &gt;=8.0, false in PHP &lt; 8.0\ngrapheme_substr('FooBar', 42, 3); \/\/ \"\" in PHP &gt;=8.0, false in PHP &lt; 8.0<\/code><\/pre>\n\n\n\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u0639\u0645\u0644\u06af\u0631\u0647\u0627\u06cc-\u0647\u0646\u06af\u0627\u0645-\u0627\u0633\u062a\u0641\u0627\u062f\u0647-\u0628\u0627-\u0639\u0645\u0644\u06af\u0631-concat-\u062a\u0642\u062f\u0645-\u0628\u06cc\u0634\u062a\u0631\u06cc-\u062f\u0627\u0631\u0646\u062f\" style=\"font-size:18px\"><strong><a href=\"https:\/\/php.watch\/versions\/8.0\/contact-add-sub-precedence\" target=\"_blank\" rel=\"noreferrer noopener\">\u0639\u0645\u0644\u06af\u0631\u0647\u0627\u06cc <code>-<\/code>\/<code>+<\/code> \u0647\u0646\u06af\u0627\u0645 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0628\u0627 \u0639\u0645\u0644\u06af\u0631 (<code>.<\/code>)concat \u062a\u0642\u062f\u0645 \u0628\u06cc\u0634\u062a\u0631\u06cc \u062f\u0627\u0631\u0646\u062f<\/a><\/strong><\/h3>\n\n\n\n<p>\u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u0639\u0645\u0644\u06af\u0631\u0647\u0627\u06cc \u0631\u06cc\u0627\u0636\u06cc <code>+<\/code> \u0648 <code>-<\/code> \u062f\u0631 \u06cc\u06a9 \u0639\u0628\u0627\u0631\u062a \u0628\u0627 \u0639\u0645\u0644\u06af\u0631 \u0627\u0644\u062d\u0627\u0642 (<code>.<\/code>) \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u0648\u0646\u062f\u060c \u062a\u0642\u062f\u0645 \u0628\u06cc\u0634\u062a\u0631\u06cc \u067e\u06cc\u062f\u0627 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f. \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0645\u0646\u062c\u0631 \u0628\u0647 \u0627\u062e\u0637\u0627\u0631 deprecation \u062f\u0631 \u0646\u0633\u062e\u0647\u200c\u0647\u0627\u06cc \u0642\u0628\u0644 \u0627\u0632 PHP 8.0 \u0645\u06cc\u200c\u0634\u062f\u060c \u0627\u0645\u0627 \u0627\u06a9\u0646\u0648\u0646 \u0628\u06cc\u200c\u0635\u062f\u0627 \u0648 \u0637\u0628\u0642 warning \u0627\u062a\u0641\u0627\u0642 \u0645\u06cc\u200c\u0627\u0641\u062a\u062f.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"php\" class=\"language-php\">echo 35 + 7 . '.' . 0 + 5;\n\/\/ 42.5 in PHP &gt;= 8.0\n\/\/ 47 in PHP &lt;= 8.0<\/code><\/pre>\n\n\n\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u062a\u0628\u062f\u06cc\u0644-\u0645\u0633\u062a\u0642\u0644-\u0645\u062d\u0644\u06cc-float-\u0628\u0647-string\" style=\"font-size:18px\"><strong><a href=\"https:\/\/php.watch\/versions\/8.0\/float-to-string-locale-independent\" target=\"_blank\" rel=\"noreferrer noopener\">\u062a\u0628\u062f\u06cc\u0644 \u0645\u0633\u062a\u0642\u0644 \u0645\u062d\u0644\u06cc <code>float<\/code> \u0628\u0647 <code>string<\/code><\/a><\/strong><\/h3>\n\n\n\n<p>\u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 <code>float<\/code> \u200c\u0628\u0647 <code>string<\/code> \u062a\u0628\u062f\u06cc\u0644 \u0645\u06cc\u200c\u0634\u0648\u062f\u060c PHP \u062f\u06cc\u06af\u0631 \u0627\u0632 \u0632\u0628\u0627\u0646 \u0633\u06cc\u0633\u062a\u0645 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0646\u0645\u06cc\u200c\u06a9\u0646\u062f. \u0646\u0633\u062e\u0647\u200c\u0647\u0627\u06cc \u0642\u0628\u0644 \u0627\u0632 PHP 8.0 \u0647\u0646\u06af\u0627\u0645 \u0627\u0646\u062c\u0627\u0645 \u0627\u06cc\u0646 \u06a9\u0627\u0631\u060c \u0645\u06a9\u0627\u0646 \u0641\u0639\u0644\u06cc (\u06a9\u0647 thread-safe \u0646\u06cc\u0633\u062a) \u06cc\u0627 \u0633\u06cc\u0633\u062a\u0645 \u0631\u0627 \u062f\u0631\u200c\u0646\u0638\u0631 \u0645\u06cc\u200c\u06af\u0631\u0641\u062a\u0646\u062f \u06a9\u0647 \u0645\u0646\u062c\u0631 \u0628\u0647 \u062e\u0631\u0648\u062c\u06cc\u200c\u0647\u0627\u06cc \u0631\u0634\u062a\u0647 \u0646\u0627\u0633\u0627\u0632\u06af\u0627\u0631 \u0645\u06cc\u200c\u0634\u062f\u060c \u0632\u06cc\u0631\u0627 \u0628\u0631\u062e\u06cc \u0645\u0646\u0627\u0637\u0642\u060c \u0628\u0647 \u0648\u06cc\u0698\u0647 \u06a9\u0634\u0648\u0631\u0647\u0627\u06cc \u0627\u0631\u0648\u067e\u0627\u06cc\u06cc\u060c \u062c\u062f\u0627\u06a9\u0646\u0646\u062f\u0647 \u0647\u0632\u0627\u0631 \u0648 \u0639\u0644\u0627\u0645\u062a \u0627\u0639\u0634\u0627\u0631\u06cc \u0645\u062a\u0641\u0627\u0648\u062a\u06cc \u0646\u0633\u0628\u062a \u0628\u0647 \u0627\u06cc\u0627\u0644\u0627\u062a \u0645\u062a\u062d\u062f\u0647 \u062f\u0627\u0631\u0646\u062f.<\/p>\n\n\n\n<p>\u0628\u0631\u0627\u06cc \u062a\u0628\u062f\u06cc\u0644 <code>float<\/code> \u0628\u0647 <code>string<\/code>\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0627\u0632<a href=\"https:\/\/php.watch\/versions\/8.0\/float-to-string-locale-independent#float-string-printf\" target=\"_blank\" rel=\"noreferrer noopener\"> \u0627\u0635\u0644\u0627\u062d \u06a9\u0646\u0646\u062f\u0647 <code>f%<\/code> \u062f\u0631 \u062a\u0648\u0627\u0628\u0639\u06cc \u0646\u0638\u06cc\u0631 <code>printf<\/code><\/a> \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f.<\/p>\n\n\n\n<p>\u0639\u0644\u0627\u0648\u0647 \u0628\u0631 \u0627\u06cc\u0646\u060c <a href=\"https:\/\/php.watch\/versions\/8.0\/printf-h-specifiers\" target=\"_blank\" rel=\"noreferrer noopener\">\u0627\u0635\u0644\u0627\u062d\u200c\u06a9\u0646\u0646\u062f\u0647\u200c\u0647\u0627\u06cc \u062c\u062f\u06cc\u062f <code>%h<\/code> \u0648 <code>%H<\/code><\/a> \u0628\u0631\u0627\u06cc \u062a\u0648\u0627\u0628\u0639\u06cc \u0646\u0638\u06cc\u0631 <code>printf<\/code> \u062a\u0639\u0631\u06cc\u0641 \u0634\u062f\u0647\u200c\u0627\u0646\u062f \u06a9\u0647 \u0646\u0633\u062e\u0647\u200c\u0647\u0627\u06cc\u06cc \u0641\u0627\u0631\u063a \u0627\u0632 \u0632\u0628\u0627\u0646 \u0627\u0632 \u0627\u0635\u0644\u0627\u062d\u200c\u06a9\u0646\u0646\u062f\u0647\u200c\u0647\u0627\u06cc <code>%g<\/code> \u0648 <code>%G<\/code> \u0647\u0633\u062a\u0646\u062f.<\/p>\n\n\n\n<p>\u0628\u06cc\u0634\u062a\u0631 \u0628\u062e\u0648\u0627\u0646\u06cc\u062f: <a href=\"https:\/\/quera.org\/blog\/whats-new-in-php-8-3\/\">\u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u062c\u062f\u06cc\u062f PHP 8.3 \u06a9\u0647 \u0628\u0627\u06cc\u062f \u0628\u0634\u0646\u0627\u0633\u06cc\u062f \u2013 \u0646\u06af\u0627\u0647\u06cc \u06a9\u0627\u0645\u0644 \u0628\u0647 \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a PHP 8.3<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%D8%AC%D9%85%D8%B9%E2%80%8C%D8%A8%D9%86%D8%AF%DB%8C\"><\/span>\u062c\u0645\u0639\u200c\u0628\u0646\u062f\u06cc<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u062a\u0644\u0627\u0634 \u06a9\u0631\u062f\u06cc\u0645 \u062a\u0627 \u0628\u0647 \u0645\u0647\u0645\u200c\u062a\u0631\u06cc\u0646 <strong>\u062a\u063a\u06cc\u06cc\u0631\u0627\u062a PHP 8.0<\/strong> \u0645\u0627\u0646\u0646\u062f Union Type\u060c \u06a9\u0627\u0645\u067e\u0627\u06cc\u0644\u0631 JIT\u060c \u0639\u0645\u0644\u06af\u0631 Null-safe \u0648 \u0628\u0633\u06cc\u0627\u0631\u06cc \u062f\u06cc\u06af\u0631 \u0628\u067e\u0631\u062f\u0627\u0632\u06cc\u0645\u061b \u062a\u0627 \u062f\u06cc\u062f \u0628\u0647\u062a\u0631\u06cc \u0628\u0647 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc \u062c\u062f\u06cc\u062f \u0627\u06cc\u0646 \u0646\u0633\u062e\u0647 \u067e\u06cc\u062f\u0627 \u06a9\u0646\u06cc\u062f. \u0627\u0645\u06cc\u062f\u0648\u0627\u0631\u06cc\u0645 \u0627\u0632 \u062e\u0648\u0627\u0646\u062f\u0646 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0644\u0630\u062a \u0628\u0631\u062f\u0647 \u0628\u0627\u0634\u06cc\u062f. \u062e\u0648\u0634\u062d\u0627\u0644 \u0645\u06cc\u200c\u0634\u0648\u06cc\u0645 \u062a\u0627 \u0646\u0638\u0631\u0627\u062a \u062e\u0648\u062f \u0631\u0627 \u062f\u0631 \u0642\u0627\u0644\u0628 \u06a9\u0627\u0645\u0646\u062a \u0628\u0627 \u0645\u0627 \u062f\u0631\u0645\u06cc\u0627\u0646 \u0628\u06af\u0630\u0627\u0631\u06cc\u062f.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP 8.0 \u06cc\u06a9 \u0646\u0633\u062e\u0647 \u0628\u0627 \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0639\u0645\u062f\u0647 \u0648 \u06cc\u06a9 \u0646\u0642\u0637\u0647 \u0639\u0637\u0641 \u0642\u0627\u0628\u0644\u200c\u062a\u0648\u062c\u0647 \u062f\u0631 PHP \u0627\u0633\u062a\u060c \u0632\u06cc\u0631\u0627 \u0686\u0646\u062f\u06cc\u0646 \u0648\u06cc\u0698\u06af\u06cc \u062c\u062f\u06cc\u062f \u0628\u0631\u0627\u06cc&#8230;<\/p>\n","protected":false},"author":6,"featured_media":149,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[48,46,65,78],"tags":[],"class_list":["post-148","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technology","category-developer","category-php","category-backend"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u062a\u063a\u06cc\u06cc\u0631\u0627\u062a PHP 8.0 - \u06a9\u0648\u0626\u0631\u0627\u200c\u0628\u0644\u0627\u06af<\/title>\n<meta name=\"description\" content=\"PHP 8.0 \u0646\u0633\u062e\u0647\u200c\u0627\u06cc \u0627\u0632 PHP \u0628\u0627 \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0639\u0645\u062f\u0647 \u0627\u0633\u062a. 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