{"id":953,"date":"2025-01-15T15:07:47","date_gmt":"2025-01-15T12:07:47","guid":{"rendered":"https:\/\/road-to-heaven.viro35.ru\/?page_id=953"},"modified":"2025-01-17T19:54:30","modified_gmt":"2025-01-17T16:54:30","slug":"%d1%82%d0%b8%d0%bf%d1%8b-%d0%bf%d0%b5%d1%80%d0%b5%d0%bc%d0%b5%d0%bd%d0%bd%d1%8b%d1%85","status":"publish","type":"page","link":"https:\/\/road-to-heaven.viro35.ru\/?page_id=953","title":{"rendered":"\u0422\u0438\u043f\u044b \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0445"},"content":{"rendered":"\n<p>\u0421\u043a\u0430\u043b\u044f\u0440\u043d\u044b\u0435<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>bool<\/li>\n\n\n\n<li>int<\/li>\n\n\n\n<li>float<\/li>\n\n\n\n<li>string<\/li>\n<\/ul>\n\n\n\n<p>\u0421\u043e\u0441\u0442\u0430\u0432\u043d\u044b\u0435<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>array<\/li>\n\n\n\n<li>object<\/li>\n\n\n\n<li>callable &#8212; \u0432\u044b\u0437\u044b\u0432\u0430\u0435\u043c\u044b\u0435 \u0444\u0443\u043d\u043a\u0446\u0438\u0438<\/li>\n\n\n\n<li>iterable<\/li>\n<\/ul>\n\n\n\n<p>\u0421\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u044b\u0435<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>resourse &#8212; \u043f\u0443\u0442\u0438 \u043a \u0444\u0430\u0439\u043b\u0430\u043c \u0438\u043b\u0438 api \u0438 \u0442\u0434<\/li>\n\n\n\n<li>null<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span role=\"button\" tabindex=\"0\" data-code=\"gettype($var); \/\/ \u0432\u0435\u0440\u043d\u0435\u0442 \u0442\u0438\u043f \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0439\nvar_dump($var); \/\/ \u0432\u0435\u0440\u043d\u0435\u0442 \u0442\u0438\u043f \u0438 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435\n\n\/\/php \u0438\u043c\u0435\u0435\u0442 \u0434\u0438\u043d\u0430\u043c\u0438\u0447\u0435\u0441\u043a\u0443\u044e \u0442\u0438\u043f\u0438\u0437\u0430\u0446\u0438\u044e, \u043d\u043e \u0435\u0441\u043b\u0438 \u043d\u0430\u043c \u0442\u0430\u043a\u043e\u0435 \u043d\u0435 \u043d\u0430\u0434\u043e \u0442\u043e\ndeclare(strict_types=1); \/\/ \u0442\u0430\u043a \u043d\u0430\u0437\u044b\u0432\u0430\u0435\u043c\u044b\u0439 \u0441\u0442\u0440\u043e\u0433\u0438\u0439 \u0440\u0435\u0436\u0438\u043c\" style=\"color:#D4D4D4;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki dark-plus\" style=\"background-color: #1E1E1E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #DCDCAA\">gettype<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">$var<\/span><span style=\"color: #D4D4D4\">); <\/span><span style=\"color: #6A9955\">\/\/ \u0432\u0435\u0440\u043d\u0435\u0442 \u0442\u0438\u043f \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0439<\/span><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">var_dump<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">$var<\/span><span style=\"color: #D4D4D4\">); <\/span><span style=\"color: #6A9955\">\/\/ \u0432\u0435\u0440\u043d\u0435\u0442 \u0442\u0438\u043f \u0438 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #6A9955\">\/\/php \u0438\u043c\u0435\u0435\u0442 \u0434\u0438\u043d\u0430\u043c\u0438\u0447\u0435\u0441\u043a\u0443\u044e \u0442\u0438\u043f\u0438\u0437\u0430\u0446\u0438\u044e, \u043d\u043e \u0435\u0441\u043b\u0438 \u043d\u0430\u043c \u0442\u0430\u043a\u043e\u0435 \u043d\u0435 \u043d\u0430\u0434\u043e \u0442\u043e<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C586C0\">declare<\/span><span style=\"color: #D4D4D4\">(strict_types=<\/span><span style=\"color: #B5CEA8\">1<\/span><span style=\"color: #D4D4D4\">); <\/span><span style=\"color: #6A9955\">\/\/ \u0442\u0430\u043a \u043d\u0430\u0437\u044b\u0432\u0430\u0435\u043c\u044b\u0439 \u0441\u0442\u0440\u043e\u0433\u0438\u0439 \u0440\u0435\u0436\u0438\u043c<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p>\u0414\u043e\u043f\u0443\u0441\u0442\u0438\u043c\u044b\u0435 \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0442\u0438\u043f\u043e\u0432<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span role=\"button\" tabindex=\"0\" data-code=\"(int)$variable - cast to int\n(bool)$variable - cast to bool\n(float)$variable - cast to float\n(string)$variable - cast to string\n(array)$variable - cast to array\n(object)$variable - cast to object\n(unset)$variable - cast to NULL\" style=\"color:#D4D4D4;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki dark-plus\" style=\"background-color: #1E1E1E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #569CD6\">int<\/span><span style=\"color: #D4D4D4\">)<\/span><span style=\"color: #9CDCFE\">$variable<\/span><span style=\"color: #D4D4D4\"> - cast to <\/span><span style=\"color: #569CD6\">int<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #569CD6\">bool<\/span><span style=\"color: #D4D4D4\">)<\/span><span style=\"color: #9CDCFE\">$variable<\/span><span style=\"color: #D4D4D4\"> - cast to <\/span><span style=\"color: #569CD6\">bool<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #569CD6\">float<\/span><span style=\"color: #D4D4D4\">)<\/span><span style=\"color: #9CDCFE\">$variable<\/span><span style=\"color: #D4D4D4\"> - cast to <\/span><span style=\"color: #569CD6\">float<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #569CD6\">string<\/span><span style=\"color: #D4D4D4\">)<\/span><span style=\"color: #9CDCFE\">$variable<\/span><span style=\"color: #D4D4D4\"> - cast to <\/span><span style=\"color: #569CD6\">string<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #569CD6\">array<\/span><span style=\"color: #D4D4D4\">)<\/span><span style=\"color: #9CDCFE\">$variable<\/span><span style=\"color: #D4D4D4\"> - cast to <\/span><span style=\"color: #569CD6\">array<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #569CD6\">object<\/span><span style=\"color: #D4D4D4\">)<\/span><span style=\"color: #9CDCFE\">$variable<\/span><span style=\"color: #D4D4D4\"> - cast to <\/span><span style=\"color: #569CD6\">object<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #569CD6\">unset<\/span><span style=\"color: #D4D4D4\">)<\/span><span style=\"color: #9CDCFE\">$variable<\/span><span style=\"color: #D4D4D4\"> - cast to <\/span><span style=\"color: #569CD6\">NULL<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p><a href=\"https:\/\/www.php.net\/manual\/ru\/types.comparisons.php\">\u0422\u0430\u0431\u043b\u0438\u0446\u044b \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f \u0442\u0438\u043f\u043e\u0432 PHP<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Boolean<\/strong><\/h2>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span role=\"button\" tabindex=\"0\" data-code=\"$isComplite = true; \/\/ \u043d\u0435 \u0431\u0430\u0437\u0430 \u0430 \u0446\u0435\u043b\u044b\u0439 \u0433\u0435\u043d\u0448\u0442\u0430\u0431\n\/\/ integers 0   -0   \u0431\u0443\u0434\u0443\u0442 \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u044b \u0432 false\n\/\/ floats 0.0  -0.0  \u0431\u0443\u0434\u0443\u0442 \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u044b \u0432 false\n\/\/ \u0422\u043e\u0436\u0435 \u0441\u0430\u043c\u043e\u0435 \u0434\u043b\u044f ''  '0'  []  null \n\necho $isComplite; \/\/ 1   \u043d\u0443 \u0430 \u0434\u043b\u044f false \u043f\u0443\u0441\u0442\u0430\u044f \u0441\u0442\u0440\u043e\u043a\u0430\" style=\"color:#D4D4D4;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki dark-plus\" style=\"background-color: #1E1E1E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #9CDCFE\">$isComplite<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #569CD6\">true<\/span><span style=\"color: #D4D4D4\">; <\/span><span style=\"color: #6A9955\">\/\/ \u043d\u0435 \u0431\u0430\u0437\u0430 \u0430 \u0446\u0435\u043b\u044b\u0439 \u0433\u0435\u043d\u0448\u0442\u0430\u0431<\/span><\/span>\n<span class=\"line\"><span style=\"color: #6A9955\">\/\/ integers 0   -0   \u0431\u0443\u0434\u0443\u0442 \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u044b \u0432 false<\/span><\/span>\n<span class=\"line\"><span style=\"color: #6A9955\">\/\/ floats 0.0  -0.0  \u0431\u0443\u0434\u0443\u0442 \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u044b \u0432 false<\/span><\/span>\n<span class=\"line\"><span style=\"color: #6A9955\">\/\/ \u0422\u043e\u0436\u0435 \u0441\u0430\u043c\u043e\u0435 \u0434\u043b\u044f &#39;&#39;  &#39;0&#39;  []  null <\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">echo<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #9CDCFE\">$isComplite<\/span><span style=\"color: #D4D4D4\">; <\/span><span style=\"color: #6A9955\">\/\/ 1   \u043d\u0443 \u0430 \u0434\u043b\u044f false \u043f\u0443\u0441\u0442\u0430\u044f \u0441\u0442\u0440\u043e\u043a\u0430<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Integer<\/h2>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span role=\"button\" tabindex=\"0\" data-code=\"PHP_INT_MIN , PHP_INT_MAX \/\/\u043f\u043e\u043a\u0430\u0436\u0443\u0442 \u043b\u0438\u043c\u0438\u0442\u044b \u0434\u043b\u044f \u0447\u0438\u0441\u0435\u043b\n$x = 10; \/\/\u0447\u0442\u043e \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u043f\u0440\u043e\u0449\u0435\n$x = 0x2A; \/\/ 16\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0430, \u0432 10 \u044d\u0442\u043e 42\n\necho PHP_INT_MAX + 1; \/\/ \u0434\u043e\u043f\u0443\u0441\u0442\u0438\u043c\u043e \u043d\u043e \u0432\u044b\u0432\u043e\u0434 \u0431\u0443\u0434\u0435\u0442 \u0432 \u0442\u0438\u043f\u0435 float\necho (int) '5.9'; \/\/ 5  \u0434\u0440\u043e\u0431\u043d\u0430\u044f \u0447\u0430\u0441\u0442\u044c \u043e\u0442\u0431\u0440\u0430\u0441\u044b\u0432\u0430\u0435\u0442\u0441\u044f\necho (int) 'dadada'; \/\/ 0 \u0432 \u0441\u043b\u0443\u0447\u0430\u0435 \u0435\u0441\u043b\u0438 \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u0442\u044c \u043d\u0435\u043b\u044c\u0437\u044f\nis_int($x); \/\/ \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043b\u0438 \u0446\u0435\u043b\u044b\u043c \u0447\u0438\u0441\u043b\u043e\u043c\n\n$x = 2_000_000_000; \/\/ \u043f\u043e\u0441\u043b\u0435 7.4 \u044d\u0442\u043e \u0441\u0447\u0438\u0442\u0430\u0435\u0442\u0441\u044f \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u044b\u043c \u0447\u0438\u0441\u043b\u043e\u043c, \u043f\u0440\u043e\u0441\u0442\u043e \u0434\u043b\u044f \u0443\u0434\u043e\u0431\u0441\u0442\u0432\u0430\necho (int)'2_000_000_000'; \/\/2 \u0442\u0430\u043a\u0430\u044f \u0432\u043e\u0442 \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e\u0441\u0442\u044c\" style=\"color:#D4D4D4;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki dark-plus\" style=\"background-color: #1E1E1E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #D4D4D4\">PHP_INT_MIN , PHP_INT_MAX <\/span><span style=\"color: #6A9955\">\/\/\u043f\u043e\u043a\u0430\u0436\u0443\u0442 \u043b\u0438\u043c\u0438\u0442\u044b \u0434\u043b\u044f \u0447\u0438\u0441\u0435\u043b<\/span><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">$x<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #B5CEA8\">10<\/span><span style=\"color: #D4D4D4\">; <\/span><span style=\"color: #6A9955\">\/\/\u0447\u0442\u043e \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u043f\u0440\u043e\u0449\u0435<\/span><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">$x<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #B5CEA8\">0x2A<\/span><span style=\"color: #D4D4D4\">; <\/span><span style=\"color: #6A9955\">\/\/ 16\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0430, \u0432 10 \u044d\u0442\u043e 42<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">echo<\/span><span style=\"color: #D4D4D4\"> PHP_INT_MAX + <\/span><span style=\"color: #B5CEA8\">1<\/span><span style=\"color: #D4D4D4\">; <\/span><span style=\"color: #6A9955\">\/\/ \u0434\u043e\u043f\u0443\u0441\u0442\u0438\u043c\u043e \u043d\u043e \u0432\u044b\u0432\u043e\u0434 \u0431\u0443\u0434\u0435\u0442 \u0432 \u0442\u0438\u043f\u0435 float<\/span><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">echo<\/span><span style=\"color: #D4D4D4\"> (<\/span><span style=\"color: #569CD6\">int<\/span><span style=\"color: #D4D4D4\">) <\/span><span style=\"color: #CE9178\">&#39;5.9&#39;<\/span><span style=\"color: #D4D4D4\">; <\/span><span style=\"color: #6A9955\">\/\/ 5  \u0434\u0440\u043e\u0431\u043d\u0430\u044f \u0447\u0430\u0441\u0442\u044c \u043e\u0442\u0431\u0440\u0430\u0441\u044b\u0432\u0430\u0435\u0442\u0441\u044f<\/span><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">echo<\/span><span style=\"color: #D4D4D4\"> (<\/span><span style=\"color: #569CD6\">int<\/span><span style=\"color: #D4D4D4\">) <\/span><span style=\"color: #CE9178\">&#39;dadada&#39;<\/span><span style=\"color: #D4D4D4\">; <\/span><span style=\"color: #6A9955\">\/\/ 0 \u0432 \u0441\u043b\u0443\u0447\u0430\u0435 \u0435\u0441\u043b\u0438 \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u0442\u044c \u043d\u0435\u043b\u044c\u0437\u044f<\/span><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">is_int<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">$x<\/span><span style=\"color: #D4D4D4\">); <\/span><span style=\"color: #6A9955\">\/\/ \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043b\u0438 \u0446\u0435\u043b\u044b\u043c \u0447\u0438\u0441\u043b\u043e\u043c<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">$x<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #B5CEA8\">2_000_000_000<\/span><span style=\"color: #D4D4D4\">; <\/span><span style=\"color: #6A9955\">\/\/ \u043f\u043e\u0441\u043b\u0435 7.4 \u044d\u0442\u043e \u0441\u0447\u0438\u0442\u0430\u0435\u0442\u0441\u044f \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u044b\u043c \u0447\u0438\u0441\u043b\u043e\u043c, \u043f\u0440\u043e\u0441\u0442\u043e \u0434\u043b\u044f \u0443\u0434\u043e\u0431\u0441\u0442\u0432\u0430<\/span><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">echo<\/span><span style=\"color: #D4D4D4\"> (<\/span><span style=\"color: #569CD6\">int<\/span><span style=\"color: #D4D4D4\">)<\/span><span style=\"color: #CE9178\">&#39;2_000_000_000&#39;<\/span><span style=\"color: #D4D4D4\">; <\/span><span style=\"color: #6A9955\">\/\/2 \u0442\u0430\u043a\u0430\u044f \u0432\u043e\u0442 \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e\u0441\u0442\u044c<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Float<\/h2>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span role=\"button\" tabindex=\"0\" data-code=\"$x = 13.5;\n$x= 13.5e3; \/\/ 13500\n$x= 13.5e-3; \/\/ 0.0135\nPHP_FLOAT_MIN , PHP_FLOAT_MAX \/\/\u043f\u043e\u043a\u0430\u0436\u0443\u0442 \u043b\u0438\u043c\u0438\u0442\u044b \u0434\u043b\u044f \u0447\u0438\u0441\u0435\u043b\n\n\/\/\u0443\u0434\u0438\u0432\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0435 \u043a\u0440\u0435\u043f\u043b\u0435\u043d\u0438\u0435 \u0434\u043b\u044f \u0440\u0443\u043a\nfloor((0.1 + 0.7) * 10) \/\/ \u043d\u0435\u043e\u0436\u0438\u0434\u0430\u043d\u043d\u043e 7 \u0430 \u043d\u0435 8 - \u043e\u043a\u0440\u0443\u0433\u043b\u0435\u043d\u0438\u0435 \u0432 \u043c\u0435\u043d\u044c\u0448\u0443\u044e \u0441\u0442\u043e\u0440\u043e\u043d\u0443\nceil((0.1 + 0.7) * 10) \/\/ 8 \u043a\u0430\u043a \u0438 \u043e\u0436\u0438\u0434\u0430\u043b\u043e\u0441\u044c - \u043e\u043a\u0440\u0443\u0433\u043b\u0435\u043d\u0438\u0435 \u0432 \u0431\u043e\u043b\u044c\u0448\u0443\u044e \u0441\u0442\u043e\u0440\u043e\u043d\u0443\nceil((0.1 + 0.2) * 10) \/\/ 4, \u043e\u043a\u0440\u0443\u0433\u043b\u044f\u0435\u043c 0.30000000000000004 \u0432 \u0431\u043e\u043b\u044c\u0448\u0443\u044e \u0441\u0442\u043e\u0440\u043e\u043d\u0443\n\/\/ \u0441\u0440\u0430\u0432\u043d\u0438\u0432\u0430\u0442\u044c \u0447\u0438\u0441\u043b\u0430 \u0441 \u043f\u043b\u0430\u0432\u0430\u044e\u0449\u0435\u0439 \u0442\u043e\u0447\u043a\u043e\u0439 - \u0444\u0430\u0442\u0430\u043b\u044c\u043d\u0430\u044f \u043e\u0448\u0438\u0431\u043a\u0430\n1 - 0.77 != 0.23 \/\/ \u0436\u0438\u0432\u0438 \u0442\u0435\u043f\u0435\u0440\u044c \u0441 \u044d\u0442\u0438\u043c\n\nPHP_FLOAT_MAX + 1 = INF;  \/\/ \u0437\u0430 \u0431\u0443\u0439\u043a\u0438 \u043d\u0435 \u0437\u0430\u043f\u043b\u044b\u0432\u0430\u0435\u043c\n$x= '10.12a'; $y = 'dasdads';\necho (float)$x, ' ', (float)$y; \/\/ 10.12 0\" style=\"color:#D4D4D4;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki dark-plus\" style=\"background-color: #1E1E1E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #9CDCFE\">$x<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #B5CEA8\">13.5<\/span><span style=\"color: #D4D4D4\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">$x<\/span><span style=\"color: #D4D4D4\">= <\/span><span style=\"color: #B5CEA8\">13.5e3<\/span><span style=\"color: #D4D4D4\">; <\/span><span style=\"color: #6A9955\">\/\/ 13500<\/span><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">$x<\/span><span style=\"color: #D4D4D4\">= <\/span><span style=\"color: #B5CEA8\">13.5e-3<\/span><span style=\"color: #D4D4D4\">; <\/span><span style=\"color: #6A9955\">\/\/ 0.0135<\/span><\/span>\n<span class=\"line\"><span style=\"color: #4FC1FF\">PHP_FLOAT_MIN<\/span><span style=\"color: #D4D4D4\"> , <\/span><span style=\"color: #4FC1FF\">PHP_FLOAT_MAX<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #6A9955\">\/\/\u043f\u043e\u043a\u0430\u0436\u0443\u0442 \u043b\u0438\u043c\u0438\u0442\u044b \u0434\u043b\u044f \u0447\u0438\u0441\u0435\u043b<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #6A9955\">\/\/\u0443\u0434\u0438\u0432\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0435 \u043a\u0440\u0435\u043f\u043b\u0435\u043d\u0438\u0435 \u0434\u043b\u044f \u0440\u0443\u043a<\/span><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">floor<\/span><span style=\"color: #D4D4D4\">((<\/span><span style=\"color: #B5CEA8\">0.1<\/span><span style=\"color: #D4D4D4\"> + <\/span><span style=\"color: #B5CEA8\">0.7<\/span><span style=\"color: #D4D4D4\">) * <\/span><span style=\"color: #B5CEA8\">10<\/span><span style=\"color: #D4D4D4\">) <\/span><span style=\"color: #6A9955\">\/\/ \u043d\u0435\u043e\u0436\u0438\u0434\u0430\u043d\u043d\u043e 7 \u0430 \u043d\u0435 8 - \u043e\u043a\u0440\u0443\u0433\u043b\u0435\u043d\u0438\u0435 \u0432 \u043c\u0435\u043d\u044c\u0448\u0443\u044e \u0441\u0442\u043e\u0440\u043e\u043d\u0443<\/span><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">ceil<\/span><span style=\"color: #D4D4D4\">((<\/span><span style=\"color: #B5CEA8\">0.1<\/span><span style=\"color: #D4D4D4\"> + <\/span><span style=\"color: #B5CEA8\">0.7<\/span><span style=\"color: #D4D4D4\">) * <\/span><span style=\"color: #B5CEA8\">10<\/span><span style=\"color: #D4D4D4\">) <\/span><span style=\"color: #6A9955\">\/\/ 8 \u043a\u0430\u043a \u0438 \u043e\u0436\u0438\u0434\u0430\u043b\u043e\u0441\u044c - \u043e\u043a\u0440\u0443\u0433\u043b\u0435\u043d\u0438\u0435 \u0432 \u0431\u043e\u043b\u044c\u0448\u0443\u044e \u0441\u0442\u043e\u0440\u043e\u043d\u0443<\/span><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">ceil<\/span><span style=\"color: #D4D4D4\">((<\/span><span style=\"color: #B5CEA8\">0.1<\/span><span style=\"color: #D4D4D4\"> + <\/span><span style=\"color: #B5CEA8\">0.2<\/span><span style=\"color: #D4D4D4\">) * <\/span><span style=\"color: #B5CEA8\">10<\/span><span style=\"color: #D4D4D4\">) <\/span><span style=\"color: #6A9955\">\/\/ 4, \u043e\u043a\u0440\u0443\u0433\u043b\u044f\u0435\u043c 0.30000000000000004 \u0432 \u0431\u043e\u043b\u044c\u0448\u0443\u044e \u0441\u0442\u043e\u0440\u043e\u043d\u0443<\/span><\/span>\n<span class=\"line\"><span style=\"color: #6A9955\">\/\/ \u0441\u0440\u0430\u0432\u043d\u0438\u0432\u0430\u0442\u044c \u0447\u0438\u0441\u043b\u0430 \u0441 \u043f\u043b\u0430\u0432\u0430\u044e\u0449\u0435\u0439 \u0442\u043e\u0447\u043a\u043e\u0439 - \u0444\u0430\u0442\u0430\u043b\u044c\u043d\u0430\u044f \u043e\u0448\u0438\u0431\u043a\u0430<\/span><\/span>\n<span class=\"line\"><span style=\"color: #B5CEA8\">1<\/span><span style=\"color: #D4D4D4\"> - <\/span><span style=\"color: #B5CEA8\">0.77<\/span><span style=\"color: #D4D4D4\"> != <\/span><span style=\"color: #B5CEA8\">0.23<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #6A9955\">\/\/ \u0436\u0438\u0432\u0438 \u0442\u0435\u043f\u0435\u0440\u044c \u0441 \u044d\u0442\u0438\u043c<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #4FC1FF\">PHP_FLOAT_MAX<\/span><span style=\"color: #D4D4D4\"> + <\/span><span style=\"color: #B5CEA8\">1<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #4FC1FF\">INF<\/span><span style=\"color: #D4D4D4\">;  <\/span><span style=\"color: #6A9955\">\/\/ \u0437\u0430 \u0431\u0443\u0439\u043a\u0438 \u043d\u0435 \u0437\u0430\u043f\u043b\u044b\u0432\u0430\u0435\u043c<\/span><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">$x<\/span><span style=\"color: #D4D4D4\">= <\/span><span style=\"color: #CE9178\">&#39;10.12a&#39;<\/span><span style=\"color: #D4D4D4\">; <\/span><span style=\"color: #9CDCFE\">$y<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #CE9178\">&#39;dasdads&#39;<\/span><span style=\"color: #D4D4D4\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">echo<\/span><span style=\"color: #D4D4D4\"> (<\/span><span style=\"color: #9CDCFE\">float<\/span><span style=\"color: #D4D4D4\">)<\/span><span style=\"color: #9CDCFE\">$x<\/span><span style=\"color: #D4D4D4\">, <\/span><span style=\"color: #CE9178\">&#39; &#39;<\/span><span style=\"color: #D4D4D4\">, (<\/span><span style=\"color: #9CDCFE\">float<\/span><span style=\"color: #D4D4D4\">)<\/span><span style=\"color: #9CDCFE\">$y<\/span><span style=\"color: #D4D4D4\">; <\/span><span style=\"color: #6A9955\">\/\/ 10.12 0<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">String<\/h2>\n\n\n\n<p>\u0421\u0442\u0440\u043e\u043a\u0430 &#8212; \u0435\u0441\u0442\u044c \u043f\u043e\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u0441\u0438\u043c\u0432\u043e\u043b\u043e\u0432.<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span role=\"button\" tabindex=\"0\" data-code=\"$name = 'Bezdel`nik';\n\necho $name[0]; \/\/ B  \u041e\u0431\u0440\u0430\u0449\u0435\u043d\u0438\u0435 \u043a \u0441\u0438\u043c\u0432\u043e\u043b\u0443 \u043f\u043e \u0435\u0433\u043e \u0438\u043d\u0434\u0435\u043a\u0441\u0443\necho $name[-1]; \/\/ k  \u043e\u0431\u0440\u0430\u0442\u043d\u0430\u044f \u043d\u0443\u043c\u0435\u0440\u0430\u0446\u0438\u044f, \u043d\u0430\u0447\u0438\u043d\u0430\u0435\u0442\u0441\u044f \u0441 1\n$name[99] = 'I'; \/\/ \u0434\u043e\u043f\u0443\u0441\u0442\u0438\u043c\u043e \u0432\u044b\u0439\u0442\u0438 \u0437\u0430 \u0440\u0430\u0437\u043c\u0435\u0440 \u0441\u0442\u0440\u043e\u043a\u0438, \u043f\u0443\u0441\u0442\u044b\u0435 \u043f\u043e\u0437\u0438\u0446\u0438\u0438 \u0437\u0430\u043f\u043e\u043b\u043d\u044f\u044e\u0442\u0441\u044f \u043f\u0440\u043e\u0431\u0435\u043b\u0430\u043c\u0438\n\n\/\/\u0432\u0430\u0440\u0438\u0430\u043d\u0442\u044b \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043a\u0438 \u0442\u0435\u043a\u0441\u0442\u0430 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0435 \u0438\u0437\u0431\u0435\u0436\u0430\u0442\u044c \u0438\u0437\u043b\u0438\u0448\u043d\u0438\u0445 \u043a\u043e\u043d\u043a\u0430\u0442\u0435\u043d\u0430\u0446\u0438\u0439 \u0438 \u044d\u043a\u0440\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0439\n\/\/ \u0447\u0443\u0432\u0441\u0442\u0438\u0432\u0442\u0435\u043b\u044c\u043d\u043e \u043a \u043f\u0440\u043e\u0431\u0435\u043b\u0430\u043c, \u0442\u0430\u0431\u0443\u043b\u044f\u0446\u0438\u044f\u043c \u0438 \u043f\u0440\u043e\u0447\u0438\u043c \u043e\u0442\u0441\u0442\u0443\u043f\u0430\u043c\n\n\/\/ Heredoc\n$text = &lt;&lt;&lt;TEXT\n\u043c\u043e\u0436\u043d\u043e \u0438 \u043f\u0440\u043e\u0441\u0442\u043e \u0442\u0430\u043a $x\n&lt;p&gt;\u0430 \u043c\u043e\u0436\u043d\u043e \u0438 \u0441 \u0442\u0435\u0433\u0430\u043c\u0438 $y &lt;\/p&gt;\nTEXT;\n\n\/\/ Nowdoc - \u0432 \u044d\u0442\u043e\u043c \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u0435 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0435 \u043e\u0441\u0442\u0430\u044e\u0442\u0441\u044f \u0432 \u0432\u0438\u0434\u0435 \u0442\u0435\u043a\u0441\u0442\u0430\n$text = &lt;&lt;&lt;'TEXT'\nLine 1 $x\nLine 2 $y\nTEXT;\n\necho nl2br($text); \/\/ \u0432\u044b\u0432\u043e\u0434 \u0441 \u0443\u0447\u0435\u0442\u043e\u043c \u043f\u0435\u0440\u0435\u043d\u043e\u0441\u0430 \u0441\u0442\u0440\u043e\u043a\u0438\" style=\"color:#D4D4D4;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki dark-plus\" style=\"background-color: #1E1E1E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #9CDCFE\">$name<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #CE9178\">&#39;Bezdel`nik&#39;<\/span><span style=\"color: #D4D4D4\">;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">echo<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #9CDCFE\">$name<\/span><span style=\"color: #D4D4D4\">[<\/span><span style=\"color: #B5CEA8\">0<\/span><span style=\"color: #D4D4D4\">]; <\/span><span style=\"color: #6A9955\">\/\/ B  \u041e\u0431\u0440\u0430\u0449\u0435\u043d\u0438\u0435 \u043a \u0441\u0438\u043c\u0432\u043e\u043b\u0443 \u043f\u043e \u0435\u0433\u043e \u0438\u043d\u0434\u0435\u043a\u0441\u0443<\/span><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">echo<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #9CDCFE\">$name<\/span><span style=\"color: #D4D4D4\">[-<\/span><span style=\"color: #B5CEA8\">1<\/span><span style=\"color: #D4D4D4\">]; <\/span><span style=\"color: #6A9955\">\/\/ k  \u043e\u0431\u0440\u0430\u0442\u043d\u0430\u044f \u043d\u0443\u043c\u0435\u0440\u0430\u0446\u0438\u044f, \u043d\u0430\u0447\u0438\u043d\u0430\u0435\u0442\u0441\u044f \u0441 1<\/span><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">$name<\/span><span style=\"color: #D4D4D4\">[<\/span><span style=\"color: #B5CEA8\">99<\/span><span style=\"color: #D4D4D4\">] = <\/span><span style=\"color: #CE9178\">&#39;I&#39;<\/span><span style=\"color: #D4D4D4\">; <\/span><span style=\"color: #6A9955\">\/\/ \u0434\u043e\u043f\u0443\u0441\u0442\u0438\u043c\u043e \u0432\u044b\u0439\u0442\u0438 \u0437\u0430 \u0440\u0430\u0437\u043c\u0435\u0440 \u0441\u0442\u0440\u043e\u043a\u0438, \u043f\u0443\u0441\u0442\u044b\u0435 \u043f\u043e\u0437\u0438\u0446\u0438\u0438 \u0437\u0430\u043f\u043e\u043b\u043d\u044f\u044e\u0442\u0441\u044f \u043f\u0440\u043e\u0431\u0435\u043b\u0430\u043c\u0438<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #6A9955\">\/\/\u0432\u0430\u0440\u0438\u0430\u043d\u0442\u044b \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043a\u0438 \u0442\u0435\u043a\u0441\u0442\u0430 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0435 \u0438\u0437\u0431\u0435\u0436\u0430\u0442\u044c \u0438\u0437\u043b\u0438\u0448\u043d\u0438\u0445 \u043a\u043e\u043d\u043a\u0430\u0442\u0435\u043d\u0430\u0446\u0438\u0439 \u0438 \u044d\u043a\u0440\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0439<\/span><\/span>\n<span class=\"line\"><span style=\"color: #6A9955\">\/\/ \u0447\u0443\u0432\u0441\u0442\u0438\u0432\u0442\u0435\u043b\u044c\u043d\u043e \u043a \u043f\u0440\u043e\u0431\u0435\u043b\u0430\u043c, \u0442\u0430\u0431\u0443\u043b\u044f\u0446\u0438\u044f\u043c \u0438 \u043f\u0440\u043e\u0447\u0438\u043c \u043e\u0442\u0441\u0442\u0443\u043f\u0430\u043c<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #6A9955\">\/\/ Heredoc<\/span><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">$text<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #CE9178\">&lt;&lt;&lt;<\/span><span style=\"color: #D4D4D4\">TEXT<\/span><\/span>\n<span class=\"line\"><span style=\"color: #CE9178\">\u043c\u043e\u0436\u043d\u043e \u0438 \u043f\u0440\u043e\u0441\u0442\u043e \u0442\u0430\u043a <\/span><span style=\"color: #9CDCFE\">$x<\/span><\/span>\n<span class=\"line\"><span style=\"color: #CE9178\">&lt;p&gt;\u0430 \u043c\u043e\u0436\u043d\u043e \u0438 \u0441 \u0442\u0435\u0433\u0430\u043c\u0438 <\/span><span style=\"color: #9CDCFE\">$y<\/span><span style=\"color: #CE9178\"> &lt;\/p&gt;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">TEXT<\/span><span style=\"color: #D4D4D4\">;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #6A9955\">\/\/ Nowdoc - \u0432 \u044d\u0442\u043e\u043c \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u0435 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0435 \u043e\u0441\u0442\u0430\u044e\u0442\u0441\u044f \u0432 \u0432\u0438\u0434\u0435 \u0442\u0435\u043a\u0441\u0442\u0430<\/span><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">$text<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #CE9178\">&lt;&lt;&lt;&#39;<\/span><span style=\"color: #D4D4D4\">TEXT<\/span><span style=\"color: #CE9178\">&#39;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #CE9178\">Line 1 $x<\/span><\/span>\n<span class=\"line\"><span style=\"color: #CE9178\">Line 2 $y<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">TEXT<\/span><span style=\"color: #D4D4D4\">;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">echo<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #DCDCAA\">nl2br<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">$text<\/span><span style=\"color: #D4D4D4\">); <\/span><span style=\"color: #6A9955\">\/\/ \u0432\u044b\u0432\u043e\u0434 \u0441 \u0443\u0447\u0435\u0442\u043e\u043c \u043f\u0435\u0440\u0435\u043d\u043e\u0441\u0430 \u0441\u0442\u0440\u043e\u043a\u0438<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">NULL<\/h2>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span role=\"button\" tabindex=\"0\" data-code=\"is_null($x); \/\/ \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430\n$x === NULL;  \/\/ \u0434\u043e\u043f\u0443\u0441\u0442\u0438\u043c\u0430\u044f \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430\n\nvar_dump($y); \/\/ Warning \u0443\u0432\u0438\u0434\u0438\u043c \u0435\u0441\u043b\u0438 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0430\u044f \u043d\u0435 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0430, \u043d\u043e \u0432 \u0434\u0430\u043c\u043f\u0435 \u0431\u0443\u0434\u0435\u0442 NULL\nvar_dump((string)$x); \/\/ '' \u043f\u0443\u0441\u0442\u0430\u044f \u0441\u0442\u0440\u043e\u043a\u0430\nvar_dump((int)$x); \/\/ 0\nvar_dump((bool)$x); \/\/ false\" style=\"color:#D4D4D4;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki dark-plus\" style=\"background-color: #1E1E1E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #DCDCAA\">is_null<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">$x<\/span><span style=\"color: #D4D4D4\">); <\/span><span style=\"color: #6A9955\">\/\/ \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430<\/span><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">$x<\/span><span style=\"color: #D4D4D4\"> === <\/span><span style=\"color: #569CD6\">NULL<\/span><span style=\"color: #D4D4D4\">;  <\/span><span style=\"color: #6A9955\">\/\/ \u0434\u043e\u043f\u0443\u0441\u0442\u0438\u043c\u0430\u044f \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">var_dump<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">$y<\/span><span style=\"color: #D4D4D4\">); <\/span><span style=\"color: #6A9955\">\/\/ Warning \u0443\u0432\u0438\u0434\u0438\u043c \u0435\u0441\u043b\u0438 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0430\u044f \u043d\u0435 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0430, \u043d\u043e \u0432 \u0434\u0430\u043c\u043f\u0435 \u0431\u0443\u0434\u0435\u0442 NULL<\/span><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">var_dump<\/span><span style=\"color: #D4D4D4\">((<\/span><span style=\"color: #569CD6\">string<\/span><span style=\"color: #D4D4D4\">)<\/span><span style=\"color: #9CDCFE\">$x<\/span><span style=\"color: #D4D4D4\">); <\/span><span style=\"color: #6A9955\">\/\/ &#39;&#39; \u043f\u0443\u0441\u0442\u0430\u044f \u0441\u0442\u0440\u043e\u043a\u0430<\/span><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">var_dump<\/span><span style=\"color: #D4D4D4\">((<\/span><span style=\"color: #569CD6\">int<\/span><span style=\"color: #D4D4D4\">)<\/span><span style=\"color: #9CDCFE\">$x<\/span><span style=\"color: #D4D4D4\">); <\/span><span style=\"color: #6A9955\">\/\/ 0<\/span><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">var_dump<\/span><span style=\"color: #D4D4D4\">((<\/span><span style=\"color: #569CD6\">bool<\/span><span style=\"color: #D4D4D4\">)<\/span><span style=\"color: #9CDCFE\">$x<\/span><span style=\"color: #D4D4D4\">); <\/span><span style=\"color: #6A9955\">\/\/ false<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Array<\/h2>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span role=\"button\" tabindex=\"0\" data-code=\"$lang = array('PHP','Java','Python'); \/\/ \u0434\u043b\u044f \u0431\u0443\u043c\u0435\u0440\u043e\u0432\n$lang = ['PHP','Java','Python']; \/\/ \u0434\u043b\u044f \u0437\u0443\u043c\u0435\u0440\u043e\u0432\n\necho $lang[1]; \/\/ Java\necho $lang[-1]; \/\/ Warning, \u0437\u0430 \u044d\u0442\u043e \u0431\u0430\u043d\necho $lang[99]; \/\/ Warning, \u0437\u0430 \u044d\u0442\u043e \u0431\u0430\u043d\n\nisset($lang[99]); \/\/ \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u043d\u0430 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043e\u0432\u0430\u043d\u0438\u0435 \u043a\u043b\u044e\u0447\u0430 \u0432\u0435\u0440\u043d\u0435\u0442 true \u0438\u043b\u0438 false \u0442\u0430\u043a \u0436\u0435 false \u0435\u0441\u043b\u0438 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u043a\u043b\u044e\u0447\u0430 NULL\narray_key_exists(\u043a\u043b\u044e\u0447, \u043c\u0430\u0441\u0438\u0438\u0432); \/\/\u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u0442\u043e\u043b\u044c\u043a\u043e \u043d\u0430 \u0442\u043e \u0447\u0442\u043e \u043a\u043b\u044e\u0447 \u0435\u0441\u0442\u044c\n\n\necho '&lt;pre&gt;', print_r($lang), '&lt;\/pre&gt;'; \/\/ \u0434\u043e\u043f\u0443\u0441\u0442\u0438\u043c\u044b\u0439 \u0432\u044b\u0432\u043e\u0434 \u043c\u0430\u0441\u0441\u0438\u0432\u0430\n\ncount($lang); \/\/ 3 - \u0440\u0430\u0437\u043c\u0435\u0440 \u043c\u0430\u0441\u0441\u0438\u0432\u0430\n\n$lang[] = 'value'; \/\/ \u0434\u043e\u0431\u0430\u0432\u0438\u0442 \u044d\u043b\u0435\u043c\u0435\u043d\u0442 \u0432 \u043a\u043e\u043d\u0435\u0446 \u043c\u0430\u0441\u0441\u0438\u0432\u0430\narray_push($lang,'C','C++','GO'); \/\/ \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u0438\u0445 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432 \u0432 \u043a\u043e\u043d\u0435\u0446\n\n\/\/ \u0430\u0441\u0441\u043e\u0446\u0438\u0430\u0442\u0438\u0432\u043d\u044b\u0439 \u043c\u0430\u0441\u0441\u0438\u0432\n$lang = [\n'php' =&gt; '8.0',\n'python' =&gt;'3.9.1',\n];\n\n$lang['php']; \/\/ 8.0\n\n\/\/ \u043c\u043d\u043e\u0433\u043e\u043c\u0435\u0440\u043d\u044b\u0435 \u043c\u0430\u0441\u0441\u0438\u0432\u044b\n$lang = [\n'php' =&gt; [\n  'version' =&gt; '8.0',\n  'someData' =&gt; [\n    'explain' =&gt; '\u0438 \u0442\u0430\u043a \u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0443\u0433\u043e\u0434\u043d\u043e',\n    ],\n  'arrays' =&gt;[\n    [1,2,3],\n    [1,2,3]\n    ]\n  ]\n]\n\necho $lang['php']['version']; \/\/ 8.0\n\n\/\/\u043d\u0443\u043c\u0435\u0440\u0430\u0446\u0438\u044f \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0430\u044f\n$lang['php', 'go', 50 =&gt; 'C', 'C++']; \/\/  [0]=&gt;php, [1]=&gt;go, [50]=&gt;C, [51]=&gt;C++  \n\narray_pop($lang); \/\/ \u0443\u0434\u0430\u043b\u0438\u0442 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0438\u0439 \u044d\u043b\u0435\u043c\u0435\u043d\narray_shift($lang); \n\/\/ \u0443\u0434\u0430\u043b\u0438\u0442 \u043f\u0435\u0440\u0432\u044b\u0439 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\n\/\/ \u043d\u0443\u043c\u0435\u0440\u0430\u0446\u0438\u044f \u043f\u0440\u043e\u0438\u0437\u043e\u0439\u0434\u0435\u0442 \u0437\u0430\u043d\u043e\u0433\u043e \u0435\u0441\u043b\u0438 \u0438\u043d\u0434\u0435\u043a\u0441\u044b \u0431\u044b\u043b\u0438 \u0447\u0438\u0441\u043b\u043e\u0432\u044b\u0435\n\/\/ \u0438\u043d\u0434\u0435\u043a\u0441\u044b \u0441\u0442\u0440\u043e\u0447\u043d\u044b\u0435 \u043e\u0441\u0442\u0430\u043d\u0443\u0442\u0441\u044f \u0431\u0435\u0437 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439\n\nunset($lang[2]); \/\/\u0443\u0434\u0430\u043b\u044f\u0435\u0442 \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u044b\u0439 \u044d\u043b\u0435\u043c\u0435\u043d\u0442, \u043f\u0435\u0440\u0435\u0438\u043d\u0434\u0435\u043a\u0441\u0430\u0446\u0438\u044f \u043d\u0435 \u043f\u0440\u043e\u0438\u0441\u0445\u043e\u0434\u0438\u0442\n\" style=\"color:#D4D4D4;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki dark-plus\" style=\"background-color: #1E1E1E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #9CDCFE\">$lang<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #DCDCAA\">array<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #CE9178\">&#39;PHP&#39;<\/span><span style=\"color: #D4D4D4\">,<\/span><span style=\"color: #CE9178\">&#39;Java&#39;<\/span><span style=\"color: #D4D4D4\">,<\/span><span style=\"color: #CE9178\">&#39;Python&#39;<\/span><span style=\"color: #D4D4D4\">); <\/span><span style=\"color: #6A9955\">\/\/ \u0434\u043b\u044f \u0431\u0443\u043c\u0435\u0440\u043e\u0432<\/span><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">$lang<\/span><span style=\"color: #D4D4D4\"> = [<\/span><span style=\"color: #CE9178\">&#39;PHP&#39;<\/span><span style=\"color: #D4D4D4\">,<\/span><span style=\"color: #CE9178\">&#39;Java&#39;<\/span><span style=\"color: #D4D4D4\">,<\/span><span style=\"color: #CE9178\">&#39;Python&#39;<\/span><span style=\"color: #D4D4D4\">]; <\/span><span style=\"color: #6A9955\">\/\/ \u0434\u043b\u044f \u0437\u0443\u043c\u0435\u0440\u043e\u0432<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">echo<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #9CDCFE\">$lang<\/span><span style=\"color: #D4D4D4\">[<\/span><span style=\"color: #B5CEA8\">1<\/span><span style=\"color: #D4D4D4\">]; <\/span><span style=\"color: #6A9955\">\/\/ Java<\/span><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">echo<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #9CDCFE\">$lang<\/span><span style=\"color: #D4D4D4\">[-<\/span><span style=\"color: #B5CEA8\">1<\/span><span style=\"color: #D4D4D4\">]; <\/span><span style=\"color: #6A9955\">\/\/ Warning, \u0437\u0430 \u044d\u0442\u043e \u0431\u0430\u043d<\/span><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">echo<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #9CDCFE\">$lang<\/span><span style=\"color: #D4D4D4\">[<\/span><span style=\"color: #B5CEA8\">99<\/span><span style=\"color: #D4D4D4\">]; <\/span><span style=\"color: #6A9955\">\/\/ Warning, \u0437\u0430 \u044d\u0442\u043e \u0431\u0430\u043d<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">isset<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">$lang<\/span><span style=\"color: #D4D4D4\">[<\/span><span style=\"color: #B5CEA8\">99<\/span><span style=\"color: #D4D4D4\">]); <\/span><span style=\"color: #6A9955\">\/\/ \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u043d\u0430 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043e\u0432\u0430\u043d\u0438\u0435 \u043a\u043b\u044e\u0447\u0430 \u0432\u0435\u0440\u043d\u0435\u0442 true \u0438\u043b\u0438 false \u0442\u0430\u043a \u0436\u0435 false \u0435\u0441\u043b\u0438 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u043a\u043b\u044e\u0447\u0430 NULL<\/span><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">array_key_exists<\/span><span style=\"color: #D4D4D4\">(\u043a\u043b\u044e\u0447, \u043c\u0430\u0441\u0438\u0438\u0432); <\/span><span style=\"color: #6A9955\">\/\/\u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u0442\u043e\u043b\u044c\u043a\u043e \u043d\u0430 \u0442\u043e \u0447\u0442\u043e \u043a\u043b\u044e\u0447 \u0435\u0441\u0442\u044c<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">echo<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #CE9178\">&#39;&lt;pre&gt;&#39;<\/span><span style=\"color: #D4D4D4\">, <\/span><span style=\"color: #DCDCAA\">print_r<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">$lang<\/span><span style=\"color: #D4D4D4\">), <\/span><span style=\"color: #CE9178\">&#39;&lt;\/pre&gt;&#39;<\/span><span style=\"color: #D4D4D4\">; <\/span><span style=\"color: #6A9955\">\/\/ \u0434\u043e\u043f\u0443\u0441\u0442\u0438\u043c\u044b\u0439 \u0432\u044b\u0432\u043e\u0434 \u043c\u0430\u0441\u0441\u0438\u0432\u0430<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">count<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">$lang<\/span><span style=\"color: #D4D4D4\">); <\/span><span style=\"color: #6A9955\">\/\/ 3 - \u0440\u0430\u0437\u043c\u0435\u0440 \u043c\u0430\u0441\u0441\u0438\u0432\u0430<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">$lang<\/span><span style=\"color: #D4D4D4\">[] = <\/span><span style=\"color: #CE9178\">&#39;value&#39;<\/span><span style=\"color: #D4D4D4\">; <\/span><span style=\"color: #6A9955\">\/\/ \u0434\u043e\u0431\u0430\u0432\u0438\u0442 \u044d\u043b\u0435\u043c\u0435\u043d\u0442 \u0432 \u043a\u043e\u043d\u0435\u0446 \u043c\u0430\u0441\u0441\u0438\u0432\u0430<\/span><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">array_push<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">$lang<\/span><span style=\"color: #D4D4D4\">,<\/span><span style=\"color: #CE9178\">&#39;C&#39;<\/span><span style=\"color: #D4D4D4\">,<\/span><span style=\"color: #CE9178\">&#39;C++&#39;<\/span><span style=\"color: #D4D4D4\">,<\/span><span style=\"color: #CE9178\">&#39;GO&#39;<\/span><span style=\"color: #D4D4D4\">); <\/span><span style=\"color: #6A9955\">\/\/ \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u0438\u0445 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432 \u0432 \u043a\u043e\u043d\u0435\u0446<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #6A9955\">\/\/ \u0430\u0441\u0441\u043e\u0446\u0438\u0430\u0442\u0438\u0432\u043d\u044b\u0439 \u043c\u0430\u0441\u0441\u0438\u0432<\/span><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">$lang<\/span><span style=\"color: #D4D4D4\"> = [<\/span><\/span>\n<span class=\"line\"><span style=\"color: #CE9178\">&#39;php&#39;<\/span><span style=\"color: #D4D4D4\"> =&gt; <\/span><span style=\"color: #CE9178\">&#39;8.0&#39;<\/span><span style=\"color: #D4D4D4\">,<\/span><\/span>\n<span class=\"line\"><span style=\"color: #CE9178\">&#39;python&#39;<\/span><span style=\"color: #D4D4D4\"> =&gt;<\/span><span style=\"color: #CE9178\">&#39;3.9.1&#39;<\/span><span style=\"color: #D4D4D4\">,<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">];<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">$lang<\/span><span style=\"color: #D4D4D4\">[<\/span><span style=\"color: #CE9178\">&#39;php&#39;<\/span><span style=\"color: #D4D4D4\">]; <\/span><span style=\"color: #6A9955\">\/\/ 8.0<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #6A9955\">\/\/ \u043c\u043d\u043e\u0433\u043e\u043c\u0435\u0440\u043d\u044b\u0435 \u043c\u0430\u0441\u0441\u0438\u0432\u044b<\/span><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">$lang<\/span><span style=\"color: #D4D4D4\"> = [<\/span><\/span>\n<span class=\"line\"><span style=\"color: #CE9178\">&#39;php&#39;<\/span><span style=\"color: #D4D4D4\"> =&gt; [<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">  <\/span><span style=\"color: #CE9178\">&#39;version&#39;<\/span><span style=\"color: #D4D4D4\"> =&gt; <\/span><span style=\"color: #CE9178\">&#39;8.0&#39;<\/span><span style=\"color: #D4D4D4\">,<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">  <\/span><span style=\"color: #CE9178\">&#39;someData&#39;<\/span><span style=\"color: #D4D4D4\"> =&gt; [<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #CE9178\">&#39;explain&#39;<\/span><span style=\"color: #D4D4D4\"> =&gt; <\/span><span style=\"color: #CE9178\">&#39;\u0438 \u0442\u0430\u043a \u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0443\u0433\u043e\u0434\u043d\u043e&#39;<\/span><span style=\"color: #D4D4D4\">,<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    ],<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">  <\/span><span style=\"color: #CE9178\">&#39;arrays&#39;<\/span><span style=\"color: #D4D4D4\"> =&gt;[<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    [<\/span><span style=\"color: #B5CEA8\">1<\/span><span style=\"color: #D4D4D4\">,<\/span><span style=\"color: #B5CEA8\">2<\/span><span style=\"color: #D4D4D4\">,<\/span><span style=\"color: #B5CEA8\">3<\/span><span style=\"color: #D4D4D4\">],<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    [<\/span><span style=\"color: #B5CEA8\">1<\/span><span style=\"color: #D4D4D4\">,<\/span><span style=\"color: #B5CEA8\">2<\/span><span style=\"color: #D4D4D4\">,<\/span><span style=\"color: #B5CEA8\">3<\/span><span style=\"color: #D4D4D4\">]<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    ]<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">  ]<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">]<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">echo<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #9CDCFE\">$lang<\/span><span style=\"color: #D4D4D4\">[<\/span><span style=\"color: #CE9178\">&#39;php&#39;<\/span><span style=\"color: #D4D4D4\">][<\/span><span style=\"color: #CE9178\">&#39;version&#39;<\/span><span style=\"color: #D4D4D4\">]; <\/span><span style=\"color: #6A9955\">\/\/ 8.0<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #6A9955\">\/\/\u043d\u0443\u043c\u0435\u0440\u0430\u0446\u0438\u044f \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0430\u044f<\/span><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">$lang<\/span><span style=\"color: #D4D4D4\">[<\/span><span style=\"color: #CE9178\">&#39;php&#39;<\/span><span style=\"color: #D4D4D4\">, <\/span><span style=\"color: #CE9178\">&#39;go&#39;<\/span><span style=\"color: #D4D4D4\">, <\/span><span style=\"color: #B5CEA8\">50<\/span><span style=\"color: #D4D4D4\"> =&gt; <\/span><span style=\"color: #CE9178\">&#39;C&#39;<\/span><span style=\"color: #D4D4D4\">, <\/span><span style=\"color: #CE9178\">&#39;C++&#39;<\/span><span style=\"color: #D4D4D4\">]; <\/span><span style=\"color: #6A9955\">\/\/  [0]=&gt;php, [1]=&gt;go, [50]=&gt;C, [51]=&gt;C++  <\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">array_pop<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">$lang<\/span><span style=\"color: #D4D4D4\">); <\/span><span style=\"color: #6A9955\">\/\/ \u0443\u0434\u0430\u043b\u0438\u0442 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0438\u0439 \u044d\u043b\u0435\u043c\u0435\u043d<\/span><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">array_shift<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">$lang<\/span><span style=\"color: #D4D4D4\">); <\/span><\/span>\n<span class=\"line\"><span style=\"color: #6A9955\">\/\/ \u0443\u0434\u0430\u043b\u0438\u0442 \u043f\u0435\u0440\u0432\u044b\u0439 \u044d\u043b\u0435\u043c\u0435\u043d\u0442<\/span><\/span>\n<span class=\"line\"><span style=\"color: #6A9955\">\/\/ \u043d\u0443\u043c\u0435\u0440\u0430\u0446\u0438\u044f \u043f\u0440\u043e\u0438\u0437\u043e\u0439\u0434\u0435\u0442 \u0437\u0430\u043d\u043e\u0433\u043e \u0435\u0441\u043b\u0438 \u0438\u043d\u0434\u0435\u043a\u0441\u044b \u0431\u044b\u043b\u0438 \u0447\u0438\u0441\u043b\u043e\u0432\u044b\u0435<\/span><\/span>\n<span class=\"line\"><span style=\"color: #6A9955\">\/\/ \u0438\u043d\u0434\u0435\u043a\u0441\u044b \u0441\u0442\u0440\u043e\u0447\u043d\u044b\u0435 \u043e\u0441\u0442\u0430\u043d\u0443\u0442\u0441\u044f \u0431\u0435\u0437 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">unset<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">$lang<\/span><span style=\"color: #D4D4D4\">[<\/span><span style=\"color: #B5CEA8\">2<\/span><span style=\"color: #D4D4D4\">]); <\/span><span style=\"color: #6A9955\">\/\/\u0443\u0434\u0430\u043b\u044f\u0435\u0442 \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u044b\u0439 \u044d\u043b\u0435\u043c\u0435\u043d\u0442, \u043f\u0435\u0440\u0435\u0438\u043d\u0434\u0435\u043a\u0441\u0430\u0446\u0438\u044f \u043d\u0435 \u043f\u0440\u043e\u0438\u0441\u0445\u043e\u0434\u0438\u0442<\/span><\/span>\n<span class=\"line\"><\/span><\/code><\/pre><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u0421\u043a\u0430\u043b\u044f\u0440\u043d\u044b\u0435 \u0421\u043e\u0441\u0442\u0430\u0432\u043d\u044b\u0435 \u0421\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u044b\u0435 \u0414\u043e\u043f\u0443\u0441\u0442\u0438\u043c\u044b\u0435 \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0442\u0438\u043f\u043e\u0432 \u0422\u0430\u0431\u043b\u0438\u0446\u044b \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f \u0442\u0438\u043f\u043e\u0432 PHP Boolean Integer Float String \u0421\u0442\u0440\u043e\u043a\u0430 &#8212; \u0435\u0441\u0442\u044c \u043f\u043e\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u0441\u0438\u043c\u0432\u043e\u043b\u043e\u0432. NULL Array<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-953","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/road-to-heaven.viro35.ru\/index.php?rest_route=\/wp\/v2\/pages\/953","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/road-to-heaven.viro35.ru\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/road-to-heaven.viro35.ru\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/road-to-heaven.viro35.ru\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/road-to-heaven.viro35.ru\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=953"}],"version-history":[{"count":20,"href":"https:\/\/road-to-heaven.viro35.ru\/index.php?rest_route=\/wp\/v2\/pages\/953\/revisions"}],"predecessor-version":[{"id":1069,"href":"https:\/\/road-to-heaven.viro35.ru\/index.php?rest_route=\/wp\/v2\/pages\/953\/revisions\/1069"}],"wp:attachment":[{"href":"https:\/\/road-to-heaven.viro35.ru\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=953"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}