{"id":1186,"date":"2025-07-31T16:33:49","date_gmt":"2025-07-31T08:33:49","guid":{"rendered":"https:\/\/www.zhaozhao123.cn\/php\/my1js\/1186.html"},"modified":"2025-07-31T16:34:10","modified_gmt":"2025-07-31T08:34:10","slug":"php%e5%af%b9%e8%b1%a1%e6%b1%a0%e5%86%85%e5%ad%98%e7%ae%a1%e7%90%86%e6%8a%80%e6%9c%af%e8%af%a6%e8%a7%a3%ef%bc%81%e5%b0%8f%e7%99%bd%e4%b9%9f%e8%83%bd%e6%87%82","status":"publish","type":"my1js","link":"https:\/\/www.zhaozhao123.cn\/php\/my1js\/1186.html","title":{"rendered":"PHP\u5bf9\u8c61\u6c60\u5185\u5b58\u7ba1\u7406\u6280\u672f\u8be6\u89e3\uff01\u5c0f\u767d\u4e5f\u80fd\u61c2"},"content":{"rendered":"\n<p>\u5bf9\u8c61\u6c60\uff08Object Pooling\uff09\u8be6\u89e3\uff1a\u5c0f\u767d\u4e5f\u80fd\u61c2<\/p>\n\n\n\n<p>\u5bf9\u8c61\u6c60\u662f\u4e00\u79cd\u91cd\u8981\u7684\u5185\u5b58\u7ba1\u7406\u6280\u672f\uff0c\u7279\u522b\u9002\u5408PHP\u8fd9\u79cd\u6709\u5783\u573e\u56de\u6536\u673a\u5236\u7684\u8bed\u8a00\u3002\u6211\u6765\u7528\u7b80\u5355\u6613\u61c2\u7684\u65b9\u5f0f\u89e3\u91ca\u8fd9\u4e2a\u6982\u5ff5\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4ec0\u4e48\u662f\u5bf9\u8c61\u6c60\uff1f<\/h2>\n\n\n\n<p>\u60f3\u8c61\u4e00\u4e0b\u56fe\u4e66\u9986\u7684\u501f\u4e66\u7cfb\u7edf\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u56fe\u4e66\u9986\u9884\u5148\u8d2d\u4e70\u4e86\u4e00\u6279\u4e66\uff08\u521b\u5efa\u5bf9\u8c61\uff09<\/li>\n\n\n\n<li>\u8bfb\u8005\u501f\u4e66\u65f6\uff0c\u4ece\u4e66\u67b6\u4e0a\u53d6\u4e66\uff08\u83b7\u53d6\u5bf9\u8c61\uff09<\/li>\n\n\n\n<li>\u8bfb\u8005\u8fd8\u4e66\u65f6\uff0c\u628a\u4e66\u653e\u56de\u4e66\u67b6\uff08\u5f52\u8fd8\u5bf9\u8c61\uff09<\/li>\n\n\n\n<li>\u56fe\u4e66\u9986\u4e0d\u9700\u8981\u6bcf\u6b21\u6709\u4eba\u501f\u4e66\u90fd\u53bb\u4e70\u65b0\u4e66\uff08\u907f\u514d\u9891\u7e41\u521b\u5efa\u5bf9\u8c61\uff09<\/li>\n<\/ul>\n\n\n\n<p>\u5bf9\u8c61\u6c60\u5c31\u662f\u8fd9\u6837\u4e00\u4e2a&#8221;\u56fe\u4e66\u9986\u7cfb\u7edf&#8221;\uff0c\u5b83\u7ba1\u7406\u7740\u4e00\u7ec4\u53ef\u91cd\u7528\u7684\u5bf9\u8c61\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e3a\u4ec0\u4e48\u9700\u8981\u5bf9\u8c61\u6c60\uff1f<\/h2>\n\n\n\n<p>\u5728\u4f20\u7edf\u65b9\u5f0f\u4e2d\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u6bcf\u6b21\u9700\u8981\u5bf9\u8c61\u90fd\u521b\u5efa\u65b0\u7684\n$obj = new MyClass(); \/\/ \u5206\u914d\u5185\u5b58\n\/\/ \u4f7f\u7528\u5bf9\u8c61...\nunset($obj); \/\/ \u91ca\u653e\u5185\u5b58<\/code><\/pre>\n\n\n\n<p>\u8fd9\u79cd\u65b9\u5f0f\u7684\u95ee\u9898\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u9891\u7e41\u521b\u5efa\/\u9500\u6bc1\u5bf9\u8c61\u5360\u7528CPU\u8d44\u6e90<\/li>\n\n\n\n<li>\u5185\u5b58\u5206\u914d\/\u91ca\u653e\u53ef\u80fd\u5bfc\u81f4\u5185\u5b58\u788e\u7247<\/li>\n\n\n\n<li>\u5783\u573e\u56de\u6536(GC)\u53ef\u80fd\u4e0d\u53ca\u65f6\uff0c\u9020\u6210\u5185\u5b58\u5360\u7528\u8fc7\u9ad8<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u5bf9\u8c61\u6c60\u5982\u4f55\u5de5\u4f5c\uff1f<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>class ObjectPool {\n    \/\/ \u4e66\u67b6\uff1a\u5b58\u653e\u53ef\u7528\u7684\u5bf9\u8c61\n    private static $available = &#91;];\n\n    \/\/ \u56de\u6536\u7bb1\uff1a\u5b58\u653e\u4f7f\u7528\u8fc7\u7684\u5bf9\u8c61\uff08\u7b49\u5f85\u6e05\u7406\uff09\n    private static $inUse = &#91;];\n\n    \/\/ \u501f\u4e66\uff1a\u83b7\u53d6\u5bf9\u8c61\n    public static function getObject() {\n        if (count(self::$available) === 0) {\n            \/\/ \u4e66\u67b6\u7a7a\u4e86\uff0c\u4e70\u672c\u65b0\u4e66\uff08\u521b\u5efa\u65b0\u5bf9\u8c61\uff09\n            $obj = new ExpensiveObject();\n        } else {\n            \/\/ \u4ece\u4e66\u67b6\u4e0a\u53d6\u4e66\uff08\u83b7\u53d6\u73b0\u6709\u5bf9\u8c61\uff09\n            $obj = array_pop(self::$available);\n        }\n\n        \/\/ \u767b\u8bb0\uff1a\u8fd9\u672c\u4e66\u5df2\u501f\u51fa\n        self::$inUse&#91;spl_object_hash($obj)] = $obj;\n        return $obj;\n    }\n\n    \/\/ \u8fd8\u4e66\uff1a\u5f52\u8fd8\u5bf9\u8c61\n    public static function releaseObject($obj) {\n        \/\/ \u6e05\u7406\u4e66\u672c\uff08\u91cd\u7f6e\u5bf9\u8c61\u72b6\u6001\uff09\n        $obj-&gt;reset();\n\n        \/\/ \u4ece\u501f\u51fa\u767b\u8bb0\u4e2d\u79fb\u9664\n        unset(self::$inUse&#91;spl_object_hash($obj)]);\n\n        \/\/ \u653e\u56de\u4e66\u67b6\n        self::$available&#91;] = $obj;\n    }\n}\n\n\/\/ \u9700\u8981\u91cd\u7528\u7684\u590d\u6742\u5bf9\u8c61\nclass ExpensiveObject {\n    public function __construct() {\n        \/\/ \u8fd9\u91cc\u6a21\u62df\u521b\u5efa\u5bf9\u8c61\u7684\u6602\u8d35\u64cd\u4f5c\n        echo \"\u521b\u5efa\u65b0\u5bf9\u8c61\uff08\u4e70\u65b0\u4e66\uff09...\\n\";\n        sleep(1); \/\/ \u6a21\u62df\u8017\u65f6\u64cd\u4f5c\n    }\n\n    public function reset() {\n        \/\/ \u6e05\u7406\u5bf9\u8c61\u72b6\u6001\uff0c\u51c6\u5907\u91cd\u7528\n        echo \"\u6e05\u7406\u5bf9\u8c61\uff08\u64e6\u6389\u7b14\u8bb0\uff09...\\n\";\n    }\n\n    public function doWork($task) {\n        echo \"\u5904\u7406\u4efb\u52a1\uff1a$task\\n\";\n    }\n}\n\n\/\/ ===== \u4f7f\u7528\u793a\u4f8b =====\n\n\/\/ \u501f\u7b2c\u4e00\u672c\u4e66\necho \"=== \u501f\u7b2c\u4e00\u672c\u4e66 ===\\n\";\n$book1 = ObjectPool::getObject();\n$book1-&gt;doWork(\"\u4efb\u52a11\");\n\n\/\/ \u501f\u7b2c\u4e8c\u672c\u4e66\uff08\u4e66\u67b6\u662f\u7a7a\u7684\uff0c\u4f1a\u521b\u5efa\u65b0\u4e66\uff09\necho \"\\n=== \u501f\u7b2c\u4e8c\u672c\u4e66 ===\\n\";\n$book2 = ObjectPool::getObject();\n$book2-&gt;doWork(\"\u4efb\u52a12\");\n\n\/\/ \u5f52\u8fd8\u7b2c\u4e00\u672c\u4e66\necho \"\\n=== \u5f52\u8fd8\u7b2c\u4e00\u672c\u4e66 ===\\n\";\nObjectPool::releaseObject($book1);\n\n\/\/ \u518d\u501f\u4e00\u672c\u4e66\uff08\u73b0\u5728\u4e66\u67b6\u4e0a\u6709\u4e66\u4e86\uff09\necho \"\\n=== \u518d\u501f\u4e00\u672c\u4e66 ===\\n\";\n$book3 = ObjectPool::getObject(); \/\/ \u8fd9\u91cc\u4f1a\u91cd\u7528book1\n$book3-&gt;doWork(\"\u4efb\u52a13\");\n\n\/\/ \u5f52\u8fd8\u6240\u6709\u4e66\nObjectPool::releaseObject($book2);\nObjectPool::releaseObject($book3);<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u5bf9\u8c61\u6c60\u5982\u4f55\u907f\u514d\u5185\u5b58\u788e\u7247\uff1f<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u51cf\u5c11\u5185\u5b58\u5206\u914d\u6b21\u6570<\/strong>\uff1a\u5bf9\u8c61\u521b\u5efa\u662f\u5185\u5b58\u5206\u914d\u7684\u4e3b\u8981\u6765\u6e90<\/li>\n\n\n\n<li><strong>\u907f\u514d\u9891\u7e41\u91ca\u653e\u5185\u5b58<\/strong>\uff1a\u91ca\u653e\u5185\u5b58\u662f\u9020\u6210\u788e\u7247\u7684\u4e3b\u8981\u539f\u56e0<\/li>\n\n\n\n<li><strong>\u5bf9\u8c61\u5927\u5c0f\u56fa\u5b9a<\/strong>\uff1a\u6c60\u4e2d\u6240\u6709\u5bf9\u8c61\u5927\u5c0f\u76f8\u540c\uff0c\u51cf\u5c11\u5185\u5b58&#8221;\u7a7a\u9699&#8221;<\/li>\n\n\n\n<li><strong>\u957f\u671f\u7a33\u5b9a<\/strong>\uff1a\u5bf9\u8c61\u5728\u6c60\u4e2d\u957f\u671f\u5b58\u5728\uff0c\u4e0d\u4f1a\u9891\u7e41\u521b\u5efa\/\u9500\u6bc1<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b9e\u9645\u5e94\u7528\u573a\u666f<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6570\u636e\u5e93\u8fde\u63a5\u6c60<\/li>\n\n\n\n<li>\u7f51\u7edc\u8bf7\u6c42\u5ba2\u6237\u7aef<\/li>\n\n\n\n<li>\u5927\u578b\u8d44\u6e90\u5904\u7406\u5668<\/li>\n\n\n\n<li>\u6e38\u620f\u4e2d\u7684\u5b50\u5f39\u3001\u654c\u4eba\u7b49\u5bf9\u8c61<\/li>\n\n\n\n<li>\u9891\u7e41\u521b\u5efa\u7684\u4e34\u65f6\u5bf9\u8c61<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u5bf9\u8c61\u6c60\u7684\u6ce8\u610f\u4e8b\u9879<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u5bf9\u8c61\u91cd\u7f6e<\/strong>\uff1a\u5f52\u8fd8\u524d\u5fc5\u987b\u6e05\u7406\u5bf9\u8c61\u72b6\u6001<\/li>\n\n\n\n<li><strong>\u8d44\u6e90\u91ca\u653e<\/strong>\uff1a\u6c60\u4e2d\u5bf9\u8c61\u957f\u671f\u5b58\u5728\uff0c\u6ce8\u610f\u5916\u90e8\u8d44\u6e90\uff08\u5982\u6587\u4ef6\u53e5\u67c4\uff09<\/li>\n\n\n\n<li><strong>\u6c60\u5927\u5c0f\u9650\u5236<\/strong>\uff1a\u907f\u514d\u65e0\u9650\u589e\u957f\u5360\u7528\u592a\u591a\u5185\u5b58<\/li>\n\n\n\n<li><strong>\u5e76\u53d1\u5b89\u5168<\/strong>\uff1a\u591a\u7ebf\u7a0b\u73af\u5883\u9700\u8981\u52a0\u9501\u673a\u5236<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u53ef\u89c6\u5316\u5bf9\u8c61\u6c60\u5de5\u4f5c\u539f\u7406<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>\u521d\u59cb\u72b6\u6001\uff1a\n&#91; \u4e66\u67b6 ]: &#91;\u4e661, \u4e662, \u4e663]\n&#91; \u501f\u51fa ]: &#91;]\n\n\u501f\u51fa\u4e661\uff1a\n&#91; \u4e66\u67b6 ]: &#91;\u4e662, \u4e663]\n&#91; \u501f\u51fa ]: &#91;\u4e661]\n\n\u5f52\u8fd8\u4e661\uff1a\n&#91; \u4e66\u67b6 ]: &#91;\u4e662, \u4e663, \u4e661] (\u6e05\u7406\u540e)\n&#91; \u501f\u51fa ]: &#91;]\n\n\u518d\u501f\u4e66\uff1a\n&#91; \u4e66\u67b6 ]: &#91;\u4e662, \u4e663]\n&#91; \u501f\u51fa ]: &#91;\u4e661] (\u91cd\u7528)<\/code><\/pre>\n\n\n\n<p>\u5bf9\u8c61\u6c60\u662f\u4f18\u5316PHP\u5185\u5b58\u4f7f\u7528\u7684\u5f3a\u5927\u5de5\u5177\uff0c\u7279\u522b\u9002\u5408\u9700\u8981\u9891\u7e41\u521b\u5efa\u9500\u6bc1\u5bf9\u8c61\u7684\u573a\u666f\u3002\u901a\u8fc7\u91cd\u7528\u5bf9\u8c61\uff0c\u6211\u4eec\u51cf\u5c11\u4e86\u5185\u5b58\u5206\u914d\/\u91ca\u653e\u7684\u6b21\u6570\uff0c\u4ece\u800c\u6709\u6548\u51cf\u5c11\u4e86\u5185\u5b58\u788e\u7247\u95ee\u9898\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5bf9\u8c61\u6c60\uff08Object Pooling\uff09\u8be6\u89e3\uff1a\u5c0f\u767d\u4e5f\u80fd\u61c2 \u5bf9\u8c61\u6c60\u662f\u4e00\u79cd\u91cd\u8981\u7684\u5185\u5b58\u7ba1\u7406\u6280\u672f\uff0c\u7279\u522b\u9002\u5408PHP\u8fd9\u79cd\u6709\u5783\u573e\u56de\u6536\u673a\u5236\u7684\u8bed\u8a00\u3002\u6211\u6765\u7528\u7b80\u5355\u6613\u61c2\u7684\u65b9\u5f0f\u89e3\u91ca\u8fd9\u4e2a\u6982\u5ff5\u3002 \u4ec0\u4e48\u662f\u5bf9\u8c61\u6c60\uff1f \u60f3\u8c61\u4e00\u4e0b\u56fe\u4e66\u9986\u7684\u501f\u4e66\u7cfb\u7edf\uff1a \u5bf9\u8c61\u6c60\u5c31\u662f\u8fd9\u6837\u4e00\u4e2a&#8221;\u56fe\u4e66\u9986\u7cfb\u7edf&#8221;\uff0c\u5b83\u7ba1\u7406\u7740\u4e00\u7ec4\u53ef\u91cd\u7528\u7684\u5bf9\u8c61\u3002 \u4e3a\u4ec0\u4e48\u9700\u8981\u5bf9\u8c61\u6c60\uff1f \u5728\u4f20\u7edf..<\/p>\n","protected":false},"author":1,"featured_media":0,"menu_order":0,"template":"","meta":{"_acf_changed":false},"tags":[2032],"my1js2nav":[2031],"tuisongtax":[],"class_list":["post-1186","my1js","type-my1js","status-publish","hentry","tag-ncglff","my1js2nav-kfcl"],"acf":{"qian_art_seotitle":"","qian_art_seotitle_source":{"label":"SEO\u6807\u9898","type":"text","formatted_value":""},"qian_art_seokws":"","qian_art_seokws_source":{"label":"SEO\u5173\u952e\u8bcd","type":"text","formatted_value":""},"qian_art_stzhong":"","qian_art_stzhong_source":{"label":"\u4e2d | \u77ed\u6807\u9898","type":"text","formatted_value":""}},"_links":{"self":[{"href":"https:\/\/www.zhaozhao123.cn\/php\/wp-json\/wp\/v2\/my1js\/1186","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zhaozhao123.cn\/php\/wp-json\/wp\/v2\/my1js"}],"about":[{"href":"https:\/\/www.zhaozhao123.cn\/php\/wp-json\/wp\/v2\/types\/my1js"}],"author":[{"embeddable":true,"href":"https:\/\/www.zhaozhao123.cn\/php\/wp-json\/wp\/v2\/users\/1"}],"wp:attachment":[{"href":"https:\/\/www.zhaozhao123.cn\/php\/wp-json\/wp\/v2\/media?parent=1186"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhaozhao123.cn\/php\/wp-json\/wp\/v2\/tags?post=1186"},{"taxonomy":"my1js2nav","embeddable":true,"href":"https:\/\/www.zhaozhao123.cn\/php\/wp-json\/wp\/v2\/my1js2nav?post=1186"},{"taxonomy":"tuisongtax","embeddable":true,"href":"https:\/\/www.zhaozhao123.cn\/php\/wp-json\/wp\/v2\/tuisongtax?post=1186"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}