{"id":2051,"date":"2021-06-27T08:28:12","date_gmt":"2021-06-27T08:28:12","guid":{"rendered":"https:\/\/phptutorial.net\/?page_id=2051"},"modified":"2025-04-07T11:43:02","modified_gmt":"2025-04-07T11:43:02","slug":"php-__callstatic","status":"publish","type":"page","link":"https:\/\/www.phptutorial.net\/php-oop\/php-__callstatic\/","title":{"rendered":"PHP __callStatic"},"content":{"rendered":"\n<p><strong>Summary<\/strong>: in this tutorial, you&#8217;ll learn about the PHP <code>__callStatic()<\/code> magic method and how to use it to make your code more flexible.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id='introduction-to-the-php-__callstatic-magic-method'>Introduction to the PHP __callStatic() magic method <a href=\"#introduction-to-the-php-__callstatic-magic-method\" class=\"anchor\" id=\"introduction-to-the-php-__callstatic-magic-method\" title=\"Anchor for Introduction to the PHP __callStatic() magic method\">#<\/a><\/h2>\n\n\n\n<p>PHP invokes the <code>__callStatic()<\/code> method when you invoke an inaccessible <a href=\"https:\/\/phptutorial.net\/php-oop\/php-magic-methods\/\">static method<\/a> of a <a href=\"https:\/\/phptutorial.net\/php-oop\/php-objects\/\">class<\/a>.<\/p>\n\n\n\n<p>The following shows the syntax of the <code>__callStatic()<\/code> method:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-1\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\"><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> __callStatic(string $name, <span class=\"hljs-keyword\">array<\/span> $arguments): mixed<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-1\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>The <code>__callStatic()<\/code> has two parameters: <code>$name<\/code> and <code>$arguments<\/code>.<\/p>\n\n\n\n<p>When you call an inaccessible static method of a class, PHP will automatically invoke the <code>__callStatic()<\/code> method with the following arguments:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>$name<\/code> is the static method name.<\/li>\n\n\n\n<li><code>$arguments<\/code> is an array of arguments.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id='php-__callstatic-magic-method-example'>PHP __callStatic() magic method example <a href=\"#php-__callstatic-magic-method-example\" class=\"anchor\" id=\"php-__callstatic-magic-method-example\" title=\"Anchor for PHP __callStatic() magic method example\">#<\/a><\/h2>\n\n\n\n<p>The following example defines a class called <code>Str<\/code>:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-2\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\"><span class=\"hljs-meta\">&lt;?php<\/span>\n\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">Str<\/span>\n<\/span>{\n    <span class=\"hljs-keyword\">private<\/span> <span class=\"hljs-keyword\">static<\/span> $methods = &#91;\n        <span class=\"hljs-string\">'upper'<\/span> =&gt; <span class=\"hljs-string\">'strtoupper'<\/span>,\n        <span class=\"hljs-string\">'lower'<\/span> =&gt; <span class=\"hljs-string\">'strtolower'<\/span>,\n        <span class=\"hljs-string\">'len'<\/span> =&gt; <span class=\"hljs-string\">'strlen'<\/span>\n    ];\n\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title\">__callStatic<\/span><span class=\"hljs-params\">(string $method, array $parameters)<\/span>\n    <\/span>{\n        <span class=\"hljs-keyword\">if<\/span> (!array_key_exists($method, <span class=\"hljs-keyword\">self<\/span>::$methods)) {\n            <span class=\"hljs-keyword\">throw<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-keyword\">Exception<\/span>(<span class=\"hljs-string\">'The '<\/span> . $method . <span class=\"hljs-string\">' is not supported.'<\/span>);\n        }\n\n        <span class=\"hljs-keyword\">return<\/span> call_user_func_array(<span class=\"hljs-keyword\">self<\/span>::$methods&#91;$method], $parameters);\n    }\n}\n\n<span class=\"hljs-keyword\">echo<\/span> Str::lower(<span class=\"hljs-string\">'Hello'<\/span>) . <span class=\"hljs-string\">'&lt;br&gt;'<\/span>;\n<span class=\"hljs-keyword\">echo<\/span> Str::upper(<span class=\"hljs-string\">'Hello'<\/span>) . <span class=\"hljs-string\">'&lt;br&gt;'<\/span>;\n<span class=\"hljs-keyword\">echo<\/span> Str::len(<span class=\"hljs-string\">'Hello'<\/span>) . <span class=\"hljs-string\">'&lt;br&gt;'<\/span>;<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-2\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p><a href=\"https:\/\/phptutorial.net\/playground\/?q=PD9waHAKCmNsYXNzIFN0cgp7CiAgICBwcml2YXRlIHN0YXRpYyAkbWV0aG9kcyA9IFsKICAgICAgICAndXBwZXInID0-ICdzdHJ0b3VwcGVyJywKICAgICAgICAnbG93ZXInID0-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\" target=\"_blank\" rel=\"noreferrer noopener\">Try it<\/a><\/p>\n\n\n\n<p>Output:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-3\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\">hello\nHELLO\n<span class=\"hljs-number\">5<\/span><\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-3\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>How it works.<\/p>\n\n\n\n<p>The Str class a private static property called <code>$methods<\/code>. It&#8217;s an array that holds the mapping of the method name and built-in string functions.<\/p>\n\n\n\n<p>When you call a static method that doesn&#8217;t exist on the Str class, PHP automatically invokes the <code>__callStatic()<\/code> magic method.<\/p>\n\n\n\n<p>The <code>__callStatic()<\/code> checks if the static method name is supported by looking up the keys of the <code>$methods<\/code> array. It&#8217;ll throw an Exception if the method is not in the keys of the <code>$methods<\/code> array. Otherwise, the <code>__callStatic()<\/code> method will call the corresponding string function.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id='summary'>Summary <a href=\"#summary\" class=\"anchor\" id=\"summary\" title=\"Anchor for Summary\">#<\/a><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The <code>__callStatic()<\/code> magic method is called automatically when an inaccessible method is invoked.<\/li>\n<\/ul>\n<div class=\"helpful-block-content\" data-title=\"\">\n\t<header>\n\t\t<div class=\"wth-question\">Did you find this tutorial useful?<\/div>\n\t\t<div class=\"wth-thumbs\">\n\t\t\t<button\n\t\t\t\tdata-post=\"2051\"\n\t\t\t\tdata-post-url=\"https:\/\/www.phptutorial.net\/php-oop\/php-__callstatic\/\"\n\t\t\t\tdata-post-title=\"PHP __callStatic\"\n\t\t\t\tdata-response=\"1\"\n\t\t\t\tclass=\"wth-btn-rounded wth-yes-btn\"\n\t\t\t>\n\t\t\t\t<svg\n\t\t\t\t\txmlns=\"http:\/\/www.w3.org\/2000\/svg\"\n\t\t\t\t\tviewBox=\"0 0 24 24\"\n\t\t\t\t\tfill=\"none\"\n\t\t\t\t\tstroke=\"currentColor\"\n\t\t\t\t\tstroke-width=\"2\"\n\t\t\t\t\tstroke-linecap=\"round\"\n\t\t\t\t\tstroke-linejoin=\"round\"\n\t\t\t\t\tclass=\"feather feather-thumbs-up block w-full h-full\"\n\t\t\t\t>\n\t\t\t\t\t<path\n\t\t\t\t\t\td=\"M14 9V5a3 3 0 0 0-3-3l-4 9v11h11.28a2 2 0 0 0 2-1.7l1.38-9a2 2 0 0 0-2-2.3zM7 22H4a2 2 0 0 1-2-2v-7a2 2 0 0 1 2-2h3\"\n\t\t\t\t\t><\/path>\n\t\t\t\t<\/svg>\n\t\t\t\t<span class=\"sr-only\"> Yes <\/span>\n\t\t\t<\/button>\n\n\t\t\t<button\n\t\t\t\tdata-response=\"0\"\n\t\t\t\tdata-post=\"2051\"\n\t\t\t\tdata-post-url=\"https:\/\/www.phptutorial.net\/php-oop\/php-__callstatic\/\"\n\t\t\t\tdata-post-title=\"PHP __callStatic\"\n\t\t\t\tclass=\"wth-btn-rounded wth-no-btn\"\n\t\t\t>\n\t\t\t\t<svg\n\t\t\t\t\txmlns=\"http:\/\/www.w3.org\/2000\/svg\"\n\t\t\t\t\tviewBox=\"0 0 24 24\"\n\t\t\t\t\tfill=\"none\"\n\t\t\t\t\tstroke=\"currentColor\"\n\t\t\t\t\tstroke-width=\"2\"\n\t\t\t\t\tstroke-linecap=\"round\"\n\t\t\t\t\tstroke-linejoin=\"round\"\n\t\t\t\t>\n\t\t\t\t\t<path\n\t\t\t\t\t\td=\"M10 15v4a3 3 0 0 0 3 3l4-9V2H5.72a2 2 0 0 0-2 1.7l-1.38 9a2 2 0 0 0 2 2.3zm7-13h2.67A2.31 2.31 0 0 1 22 4v7a2.31 2.31 0 0 1-2.33 2H17\"\n\t\t\t\t\t><\/path>\n\t\t\t\t<\/svg>\n\t\t\t\t<span class=\"sr-only\"> No <\/span>\n\t\t\t<\/button>\n\t\t<\/div>\n\t<\/header>\n\n\t<div class=\"wth-form hidden\">\n\t\t<div class=\"wth-form-wrapper\">\n\t\t\t<div class=\"wth-title\"><\/div>\n\t\t\t\n\t\t\t<textarea class=\"wth-message\"><\/textarea>\n\n\t\t\t<button class=\"btn btn-primary wth-btn-submit\">Send<\/button>\n\t\t\t<button class=\"btn wth-btn-cancel\">Cancel<\/button>\n\t\t\n\t\t<\/div>\n\t<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>In this tutorial, you&#8217;ll learn about the PHP __callStatic() magic method and how to use it to make your code more flexible.<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1753,"menu_order":21,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2051","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.phptutorial.net\/wp-json\/wp\/v2\/pages\/2051","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.phptutorial.net\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.phptutorial.net\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.phptutorial.net\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.phptutorial.net\/wp-json\/wp\/v2\/comments?post=2051"}],"version-history":[{"count":2,"href":"https:\/\/www.phptutorial.net\/wp-json\/wp\/v2\/pages\/2051\/revisions"}],"predecessor-version":[{"id":3238,"href":"https:\/\/www.phptutorial.net\/wp-json\/wp\/v2\/pages\/2051\/revisions\/3238"}],"up":[{"embeddable":true,"href":"https:\/\/www.phptutorial.net\/wp-json\/wp\/v2\/pages\/1753"}],"wp:attachment":[{"href":"https:\/\/www.phptutorial.net\/wp-json\/wp\/v2\/media?parent=2051"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}