{"id":676,"date":"2024-10-22T12:54:54","date_gmt":"2024-10-22T04:54:54","guid":{"rendered":"https:\/\/www.cuishaofeng.com\/?p=676"},"modified":"2024-10-22T14:32:41","modified_gmt":"2024-10-22T06:32:41","slug":"wordpress-%e4%b8%bb%e9%a2%98%e5%92%8c%e6%8f%92%e4%bb%b6%e7%9a%84%e5%8a%a0%e8%bd%bd%e8%bf%90%e8%a1%8c%e6%9c%ba%e5%88%b6%e3%80%81hook%e9%92%a9%e5%ad%90%e4%b8%8e%e9%87%8d%e8%a6%81%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"https:\/\/www.cuishaofeng.com\/?p=676","title":{"rendered":"WordPress \u4e3b\u9898\u548c\u63d2\u4ef6\u7684\u52a0\u8f7d\u8fd0\u884c\u673a\u5236\u3001Hook\u94a9\u5b50\u4e0e\u91cd\u8981\u51fd\u6570"},"content":{"rendered":"<div id=\"core-ai-summary-tool\"><\/div>\n<p>\u672c\u6587\u6709\u52a9\u4e8e\u4f60\u6df1\u5ea6\u4e86\u89e3 WordPress\u00a0\u4e3b\u9898\u548c\u63d2\u4ef6\u7684 PHP\u00a0<code>\u52a0\u8f7d\u987a\u5e8f<\/code>\uff0c\u5b66\u4e60\u00a0<code>Hook<\/code>\uff08\u94a9\u5b50\uff09<code>Action<\/code>\uff08\u52a8\u4f5c\u94a9\u5b50\uff09\u00a0<code>Filters<\/code>\uff08\u8fc7\u6ee4\u94a9\u5b50\uff09\u7684\u6982\u5ff5\uff0c\u5f04\u61c2 WordPress \u91cd\u8981\u51fd\u6570\uff1a<code>do_action<\/code>\u3001<code>add_action<\/code>\u3001<code>apply_filters<\/code>\u00a0\u548c\u00a0<code>add_filter<\/code>\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"pk-menu-1\"><strong>\u63d2\u4ef6\u7684\u52a0\u8f7d\u673a\u5236<\/strong><\/h2>\n\n\n\n<p>\u4e86\u89e3\u63d2\u4ef6\u7684\u52a0\u8f7d\u673a\u5236\uff0c\u80fd\u591f\u5e2e\u52a9\u6211\u4eec\u66f4\u52a0\u6df1\u5165\u7684\u4e86\u89e3\u63d2\u4ef6\u7684\u5f00\u53d1\uff0c\u4e5f\u80fd\u591f\u5e2e\u52a9\u6211\u4eec\u66f4\u597d\u7684\u5bf9\u63d2\u4ef6\u8fdb\u884c\u5f00\u53d1\u3002\u4e0b\u9762\u4e86\u89e3\u4e00\u4e0b WordPress \u7684\u63d2\u4ef6\u52a0\u8f7d\u673a\u5236\u3002<\/p>\n\n\n\n<p>\u8981\u6ce8\u610f\uff0cPHP \u7684\u6267\u884c\u987a\u5e8f\u662f\u4e00\u884c\u4e00\u884c\u5411\u4e0b\u6267\u884c\u7684\uff0c\u65b9\u4fbf\u7406\u89e3\u540e\u9762\u7684\u52a0\u8f7d\u987a\u5e8f\u5224\u65ad\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"pk-menu-2\">index.php<\/h3>\n\n\n\n<p>\u65e0\u8bba\u4ece\u54ea\u91cc\u8fdb\u5165\u5230 WordPress\uff0c\u4e00\u5b9a\u4f1a\u4ece index.php \u6587\u4ef6\u5f00\u59cb\u52a0\u8f7d\uff0c\u6253\u5f00\u6839\u76ee\u5f55\u7684 index.php \uff0c\u53ef\u4ee5\u770b\u5230\u8fd9\u4e2a\u6587\u4ef6\u5f15\u7528\u4e86 wp-blog-header.php \u6587\u4ef6\u3002\u518d\u65e0\u5176\u4ed6\u4ee3\u7801\u3002<\/p>\n\n\n\n<p>\u4ee3\u7801\u6240\u5728\u884c\u8bf7\u5355\u51fb\u8fd9\u91cc\u3002<\/p>\n\n\n\n<p>\u6253\u5f00 wp-blog-header.php \u6587\u4ef6\uff0c\u53ef\u4ee5\u770b\u5230\u8fd9\u4e2a\u6587\u4ef6\u5f15\u7528\u4e86\u4e24\u4e2a\u6587\u4ef6\u3002<\/p>\n\n\n\n<p>\u6211\u4eec\u5148\u770b\u4e00\u770b wp-load.php \u6587\u4ef6\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"pk-menu-3\">wp-load.php<\/h3>\n\n\n\n<p>\u6253\u5f00\u8fd9\u4e2a\u6587\u4ef6\u53ef\u4ee5\u770b\u5230\uff0c\u8be5\u6587\u4ef6\u68c0\u6d4b\u4e86 wp-config.php \u6587\u4ef6\uff0c\u5982\u679c\u672a\u68c0\u6d4b\u5230\u8be5\u6587\u4ef6\uff0c\u5219\u8fdb\u5165\u5230\u5b89\u88c5\u8fdb\u7a0b\u3002\u6211\u4eec\u4f7f\u7528\u65f6\u8fd9\u4e2a\u6587\u4ef6\u662f\u5b58\u5728\u7684\uff0c\u6240\u4ee5\u6267\u884c\u7684\u662f\u4e0b\u65b9\u7684&nbsp;<code>require_once( ABSPATH . 'wp-config.php' );<\/code>\u547d\u4ee4\u3002<\/p>\n\n\n\n<p>\u63a5\u4e0b\u6765\u770b\u770b wp-config.php \u8fd9\u4e2a\u6587\u4ef6\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"pk-menu-4\">wp-config.php<\/h3>\n\n\n\n<p>wp-config.php \u6587\u4ef6\u5185\u5b58\u653e\u7740 WordPress \u7684\u914d\u7f6e\u4fe1\u606f\uff0c\u5305\u62ec\u6570\u636e\u5e93\u3001Debug \u7b49\u4fe1\u606f\u3002\u6211\u4eec\u4e00\u76f4\u5f80\u4e0b\u770b\uff0c\u4f1a\u770b\u5230\u8fd9\u91cc\u5b83\u5f15\u5165\u5230\u4e86\u4e00\u4e2a wp-settings.php\u3002<\/p>\n\n\n\n<p>\u63a5\u4e0b\u6765\u770b\u770b wp-settings.php\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"pk-menu-5\">wp-settings.php<\/h3>\n\n\n\n<p>\u8fd9\u91cc\u5305\u542b\u4e86\u5927\u91cf\u7684 WordPress \u521d\u59cb\u5316\u51fd\u6570\uff0c\u524d\u9762\u7684\u5185\u5bb9\u4e0d\u505a\u8fc7\u591a\u7684\u89e3\u91ca\uff0c\u53ef\u4ee5\u76f4\u63a5\u62c9\u5230\u7b2c 303 \u884c\uff0c\u5219\u770b\u5230\u8fd9\u6837\u7684\u4ee3\u7801\u3002<\/p>\n\n\n\n<p>\u8fd9\u6bb5\u4ee3\u7801\u4f1a\u5c06\u5df2\u6fc0\u6d3b\u7684\u63d2\u4ef6\u4f5c\u4e3a\u5faa\u73af\u5143\u7d20\u8fdb\u884c\u5faa\u73af\uff0c\u5bf9\u6bcf\u4e2a\u63d2\u4ef6\u6267\u884c\u6ce8\u518c\u548c\u52a0\u8f7d\u3002<\/p>\n\n\n\n<p>\u7ee7\u7eed\u5411\u4e0b\u770b\uff0c\u4f1a\u5728\u7b2c 421 \u884c\u770b\u5230\u8fd9\u6837\u4e00\u6bb5\u4ee3\u7801\uff0c\u8be5\u4ee3\u7801\u5b9e\u73b0\u4e86\u52a0\u8f7d\u6211\u4eec\u6fc0\u6d3b\u7684\u4e3b\u9898\u7684 functions.php \u6587\u4ef6\u3002<\/p>\n\n\n\n<p>\u8fd9\u6837\uff0c\u6211\u4eec\u5728\u4e3b\u9898\u4e2d\u6dfb\u52a0\u7684\u529f\u80fd\uff0c\u4e5f\u4f1a\u88ab\u52a0\u8f7d\u5230\u7cfb\u7edf\u5f53\u4e2d\u53bb\u3002<\/p>\n\n\n\n<p>\u8fd9\u4e2a\u6587\u4ef6\u6ca1\u6709\u518d\u5f15\u7528\u5176\u4ed6\u7684\u6587\u4ef6\uff0c\u7136\u540e\u8fd4\u56de wp-config.php\u3002<\/p>\n\n\n\n<p>wp-blog-header.php<\/p>\n\n\n\n<p>\u6211\u4eec\u53d1\u73b0\uff0cwp-config.php \u4e5f\u6267\u884c\u5230\u4e86\u6587\u4ef6\u7684\u5c3e\u90e8\uff0c\u63a5\u4e0b\u6765\u8fd4\u56de\u5230\u4e0a\u4e00\u4e2a\u6587\u4ef6\u2014\u2014wp-load.php\u3002<\/p>\n\n\n\n<p>\u5728 wp-load.php \u4e2d\u53ef\u4ee5\u770b\u5230\uff0c\u5728\u8fd9\u4e2a if \u4ee3\u7801\u5757\u4e2d\uff0c\u53ea\u6709\u8fd9\u4e00\u6761\u5f15\u7528\u4ee3\u7801\uff0c\u6240\u4ee5\u8be5\u6587\u4ef6\u4e5f\u6267\u884c\u5b8c\u4e86\uff0c\u4ee3\u7801\u6267\u884c\u56de\u5230\u4e0a\u4e00\u4e2a\u6587\u4ef6 wp-blog-header.php\u3002<\/p>\n\n\n\n<p>\u5728 wp-blog-header.php \u6587\u4ef6\u4e2d\u53ef\u4ee5\u770b\u5230\uff0c\u5728 wp-load.php \u4e0b\uff0c\u5f15\u7528\u4e86 template-loader.php\uff0c\u8be5\u6587\u4ef6\u7684\u529f\u80fd\u5c31\u662f\u8fdb\u884c\u6211\u4eec\u540e\u7eed\u7684\u4e3b\u9898\u52a0\u8f7d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"pk-menu-7\">\u7ed3\u8bba<\/h3>\n\n\n\n<p>\u7ecf\u8fc7\u4e0a\u8ff0\u7684\u5206\u6790\u53ef\u4ee5\u5f97\u51fa\u4e00\u4e2a\u7ed3\u8bba\uff0cWordPress \u7684\u52a0\u8f7d\u662f\u8fd9\u6837\u7684\u4e00\u4e2a\u987a\u5e8f\uff0c\u5148\u52a0\u8f7d \u63d2\u4ef6\uff0c\u518d\u52a0\u8f7d \u4e3b\u9898\u6839\u76ee\u5f55\u4e2d\u7684 functions.php\uff0c\u6700\u540e\u52a0\u8f7d\u4e3b\u9898\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"pk-menu-8\"><strong>\u63d2\u4ef6\u662f\u5982\u4f55\u8fd0\u884c\u7684<\/strong><\/h2>\n\n\n\n<p>WordPress \u7684\u63d2\u4ef6\u4e5f\u662f\u4e00\u6bb5\u4ee3\u7801\uff0c WordPress \u63d2\u4ef6\u901a\u8fc7 WordPress \u63d0\u4f9b\u7684\u63d2\u4ef6 API \u548c\u51fd\u6570\uff0c\u6765\u5b9e\u73b0\u96c6\u6210\u5230 WordPress \u5f53\u4e2d\u53bb\u3002\u76f8\u5173\u6d89\u53ca\u5230\u7684\u51fd\u6570\uff0c\u4f60\u53ef\u4ee5\u5728 wp-includes\/plugin.php \u4e2d\u770b\u5230\uff1a<\/p>\n\n\n\n<p>WordPress \u5c06\u63d2\u4ef6\u7684\u884c\u4e3a\u5206\u4e3a\u4e24\u79cd\uff0c\u5206\u522b\u662f Action\uff08\u52a8\u4f5c\uff09\u548c Filters\uff08\u8fc7\u6ee4\u5668\uff09\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"pk-menu-9\">\u4ec0\u4e48\u662f Hook<\/h3>\n\n\n\n<p>WordPress \u7684\u63d2\u4ef6\u673a\u5236\u662f\u57fa\u4e8e Hook \u673a\u5236\u5b9e\u73b0\u7684\uff0c\u7b80\u5355\u6765\u8bf4\uff0c\u5c31\u662f\u5728 WordPress \u7684\u6838\u5fc3\u4ee3\u7801\u4e2d\uff0c\u52a0\u5165\u4e86\u5927\u91cf\u8ba9 Hook \u6302\u8f7d\u7684\u4f4d\u7f6e\uff0c\u5f53\u7a0b\u5e8f\u6267\u884c\u5230\u8fd9\u91cc\u65f6\uff0c\u5c31\u4f1a\u987a\u7740 Hook \u4e0a\u6302\u8f7d\u7684\u94a9\u5b50\u8d70\u4e00\u904d\uff0c\u7136\u540e\u518d\u56de\u6765\u7ee7\u7eed\u6267\u884c\u540e\u9762\u7684\u4ee3\u7801\uff1b\u5982\u679c\u6ca1\u6709\u6302\u8f7d\u4efb\u4f55\u94a9\u5b50\uff0c\u5219\u4e0d\u6267\u884c\u64cd\u4f5c\u3002<\/p>\n\n\n\n<p>\u6211\u4eec\u5199\u63d2\u4ef6\uff0c\u5c31\u662f\u5199\u4e00\u4e9b\u81ea\u5b9a\u4e49\u7684\u51fd\u6570\uff0c\u7136\u540e\u5229\u7528 WordPress \u63d0\u4f9b\u7684\u5bf9 Hook \u64cd\u4f5c\u7684\u51fd\u6570\uff0c\u5c06\u51fd\u6570\u6302\u8f7d\u5230\u5bf9\u5e94\u7684\u4f4d\u7f6e\u4e0a\u53bb\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"pk-menu-10\">\u4ec0\u4e48\u662f Action<\/h3>\n\n\n\n<p>Action \u4f1a\u5728 WordPress \u5185\u6838\u8fd0\u884c\u5230\u4e00\u5b9a\u7684\u70b9\u6216\u4e8b\u4ef6\u65f6\u4f1a\u8c03\u7528\u7684\uff0c\u88ab\u8c03\u7528\u540e\uff0c\u63d2\u4ef6\u53ef\u4ee5\u6267\u884c\u4e00\u4e9b\u5177\u4f53\u7684\u64cd\u4f5c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"pk-menu-11\">\u4ec0\u4e48\u662f Filters<\/h3>\n\n\n\n<p>Filters \u5219\u662f\u5bf9\u5185\u5bb9\u7684\u5904\u7406\uff0c\u901a\u8fc7 Filters \u53ef\u4ee5\u5728\u8fd9\u4e9b\u6570\u636e\u88ab\u6e32\u67d3\u5230\u9875\u9762\u524d\u6216\u4fdd\u5b58\u5230\u6570\u636e\u5e93\u524d\u5bf9\u5176\u8fdb\u884c\u4fee\u6539\u3002<\/p>\n\n\n\n<p>\u7b80\u5355\u7684\u6765\u8bf4\uff0c\u4e24\u8005\u7684\u533a\u522b\u4e3b\u8981\u662f\u4e0b\u9762\u8fd9\u6837\u7684\uff1a<\/p>\n\n\n\n<ul>\n<li>Action \u51fd\u6570\u5728\u88ab\u8c03\u7528\u65f6\uff0c\u662f\u53ef\u4ee5\u76f4\u63a5\u8c03\u7528\u7684\uff0c\u81ea\u5b9a\u4e49\u7684\u51fd\u6570\u65e0\u9700\u63d0\u4f9b\u8fd4\u56de\u503c\uff1b<\/li>\n\n\n\n<li>Filters \u51fd\u6570\u5728\u88ab\u8c03\u7528\u65f6\uff0c\u4f1a\u88ab\u4f20\u5165\u4e00\u4e2a\u5177\u4f53\u7684\u5b57\u7b26\u4e32\uff0c\u51fd\u6570\u6267\u884c\u5b8c\u6210\u540e\uff0c\u8fd8\u9700\u8981\u5c06\u8fd9\u4e2a\u5b57\u7b26\u4e32\u8fd4\u56de\u7ed9\u7cfb\u7edf\uff0c\u65b9\u4fbf\u7cfb\u7edf\u8fdb\u884c\u6e32\u67d3\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"pk-menu-12\"><strong>\u91cd\u8981\u7684\u51fd\u6570<\/strong><\/h2>\n\n\n\n<p>\u521a\u521a\u53ea\u662f\u8bf4\u660e\u4e86\u4ec0\u4e48\u662f Action\u3001\u4ec0\u4e48\u662f Filters \u5177\u4f53\u529f\u80fd\u7684\u5b9e\u73b0\uff0c\u5219\u662f\u901a\u8fc7\u4e0b\u9762\u8fd9\u56db\u4e2a\u91cd\u8981\u7684\u51fd\u6570\u6765\u5b9e\u73b0\u7684\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"pk-menu-13\">do_action<\/h3>\n\n\n\n<p>do_action\u00a0\u662f WordPress \u63d2\u4ef6\u673a\u5236\u975e\u5e38\u91cd\u8981\u7684\u4e00\u73af\uff0c\u5f53\u7a0b\u5e8f\u8fd0\u884c\u5230\u8fd9\u4e2a\u51fd\u6570\u65f6\uff0c\u5c31\u4f1a\u5c06\u6302\u8f7d\u5728\u8fd9\u4e2a Hook \u4e0a\u7684\u6240\u6709\u51fd\u6570\u6267\u884c\u4e00\u904d\u3002<\/p>\n\n\n\n<p>\u8fd9\u4e2a\u51fd\u6570\u6709\u4e24\u4e2a\u53c2\u6570\uff0c\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f Hook \u7684\u540d\u79f0\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u5219\u662f\u5177\u4f53\u7684\u53c2\u6570\u3002<\/p>\n\n\n\n<p>\u6bd4\u5982\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u80fd\u4f1a\u7528\u5230 get_header \u8fd9\u4e2a\u51fd\u6570\uff0c\u8be5\u51fd\u6570\u5728\u6267\u884c\u65f6\uff0c\u9996\u5148\u4f1a\u8c03\u7528 do_action\uff0c\u90a3\u4e48\uff0c\u5728 get_header \u4e0a\u6302\u8f7d\u7684\u51fd\u6570\u5c31\u4f1a\u6267\u884c\uff0c\u6267\u884c\u5b8c\u6210\u540e\uff0c\u518d\u6267\u884c\u540e\u9762\u7684\u51fd\u6570\u3002<\/p>\n\n\n\n<p>\u6709\u4e86\u8fd9\u4e2a\u51fd\u6570\u7684\u5b58\u5728\uff0c\u624d\u6709\u4e86\u540e\u7eed\u6211\u4eec\u5f00\u53d1\u63d2\u4ef6\u65f6\uff0c\u5404\u79cd\u529f\u80fd\u7684\u5b9e\u73b0\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"pk-menu-14\">add_action<\/h3>\n\n\n\n<p>add_action \u53ef\u4ee5\u5c06\u6211\u4eec\u81ea\u5b9a\u4e49\u7684\u51fd\u6570\u52a0\u5230\u7279\u5b9a\u7684 Hook \u4e0a\u53bb\uff0c\u7b49\u5f85\u6267\u884c\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u6211\u4eec\u53ea\u9700\u8981\u6267\u884c\u5982\u4e0b\u547d\u4ee4\u5373\u53ef\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>add_action(\"Hook \u540d\",\"\u51fd\u6570\u540d\")\n\n\n<\/code><\/pre>\n\n\n\n<p>\u4e0d\u8fc7\u8fd9\u6837\u7684\u4f7f\u7528\u5ffd\u7565\u6389\u4e86\u4e24\u4e2a\u53c2\u6570\uff0c\u5728\u6267\u884c\u4e00\u4e9b\u7279\u5b9a\u7684\u64cd\u4f5c\u65f6\uff0c\u53ef\u80fd\u5c31\u4e0d\u8db3\u4e86\u3002<\/p>\n\n\n\n<p>\u6211\u4eec\u53ef\u4ee5\u770b\u770b\u8fd9\u4e2a\u51fd\u6570\u7684\u5b98\u65b9\u6587\u6863<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>add_action( string $tag, callable $function_to_add, int $priority = 10, int $accepted_args = 1 )   <\/code><\/pre>\n\n\n\n<p>\u4e0d\u8fc7\u8fd9\u6837\u7684\u4f7f\u7528\u5ffd\u7565\u6389\u4e86\u4e24\u4e2a\u53c2\u6570\uff0c\u5728\u6267\u884c\u4e00\u4e9b\u7279\u5b9a\u7684\u64cd\u4f5c\u65f6\uff0c\u53ef\u80fd\u5c31\u4e0d\u8db3\u4e86\u3002<br><br>\u6211\u4eec\u53ef\u4ee5\u770b\u770b\u8fd9\u4e2a\u51fd\u6570\u7684\u5b98\u65b9\u6587\u6863\u3002<\/p>\n\n\n\n<p>\u8fd9\u4e2a\u51fd\u6570\u4e00\u5171\u6709\u56db\u4e2a\u53c2\u6570\uff0c\u5176\u4e2d\u524d\u4e24\u8005\u5206\u522b\u662f Hook \u540d\u548c\u5bf9\u5e94\u7684\u51fd\u6570\uff0c\u800c\u540e\u4e24\u8005\u5206\u522b\u662f\u4f18\u5148\u7ea7\u548c\u53ef\u4ee5\u63a5\u53d7\u7684\u53c2\u6570\u4e2a\u6570\u3002<\/p>\n\n\n\n<p>\u4f18\u5148\u7ea7\uff1a\u5982\u679c\u4f60\u4e0d\u8bbe\u7f6e\u7684\u8bdd\uff0c\u6dfb\u52a0\u7684\u51fd\u6570\u9ed8\u8ba4\u4f18\u5148\u7ea7\u662f 10\uff0c\u4e5f\u53ef\u4ee5\u6839\u636e\u4f60\u81ea\u5df1\u7684\u9700\u8981\u8bbe\u7f6e\u5177\u4f53\u7684\u4f18\u5148\u7ea7\u3002\u4f18\u5148\u7ea7\u7684\u89c4\u5219\u662f\u8d8a\u5c0f\u8d8a\u5148\u6267\u884c\u3002\u540c\u65f6\u6dfb\u52a0\u4e86\u4e00\u4e2a\u4f18\u5148\u7ea7\u4e3a 5 \u548c\u4e00\u4e2a\u4f18\u5148\u7ea7\u4e3a 10 \u7684\u51fd\u6570\uff0c\u4f1a\u5148\u6267\u884c\u4f18\u5148\u7ea7\u4e3a5\u7684\u51fd\u6570\uff0c\u518d\u6267\u884c\u4f18\u5148\u7ea7\u4e3a10\u7684\u51fd\u6570\u3002<\/p>\n\n\n\n<p>\u53c2\u6570\u4e2a\u6570\uff1a\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u53c2\u6570\u7684\u4e2a\u6570\u662f1\u3002<\/p>\n\n\n\n<p>\u5177\u4f53\u8bbe\u7f6e\u4e3a\u591a\u5c11\uff0c\u5219\u53d6\u51b3\u4e8e\u4f60\u4f7f\u7528\u7684 Hook \u80fd\u591f\u63d0\u4f9b\u591a\u5c11\u4e2a\u53c2\u6570\u3002\u5982\u4f55\u627e\u5bfb\u8fd9\u4e2a\u53c2\u6570\u7684\u4e2a\u6570\uff1f\u53ef\u4ee5\u76f4\u63a5\u53bb\u770b\u8fd9\u4e2a Hook \u7684\u8bf4\u660e\uff0c\u67e5\u770b\u76f8\u5173\u7684\u4ee3\u7801\u8bf4\u660e\u3002\u5982\u679c\u8fd9\u4e2a Hook \u63d0\u4f9b\u4e86\u8c03\u7528\u7684\u8bf4\u660e\uff0c\u53ef\u4ee5\u76f4\u63a5\u6839\u636e\u4e0a\u9762\u7684 add_action \u7684\u51fd\u6570\u53c2\u6570\u6765\u5224\u65ad\u8fd9\u4e2a Hook \u652f\u6301\u51e0\u4e2a\u53c2\u6570\u3002<\/p>\n\n\n\n<p>\u5177\u4f53\u7684\u53c2\u6570\u662f\u4ec0\u4e48\uff0c\u53ef\u4ee5\u901a\u8fc7\u5b9e\u4f8b\u4ee3\u7801\u7684\u6ce8\u91ca\u6216\u8005\u5230\u6e90\u4ee3\u7801\u4e2d\u67e5\u627e\u5bf9\u5e94 do_action \u51fd\u6570\u7684\u53c2\u6570\u3002\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u6211\u5e0c\u671b\u4e86\u89e3 save_post \u8fd9\u4e2a Hook \u7684\u53c2\u6570\uff0c\u53ef\u4ee5\u5230\u5b83\u7684 API \u9875\u9762\u53bb\u67e5\u770b\u5177\u4f53\u7684\u53c2\u6570\u8c03\u7528\u3002\u53ef\u4ee5\u770b\u5230\u5728\u793a\u4f8b\u4ee3\u7801\u4e2d\u8bf4\u660e\u4e86\u53c2\u6570\u7684\u4e2a\u6570\u548c\u5bf9\u5e94\u7684\u53c2\u6570\u7684\u542b\u4e49\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u8fd9\u4e2a\u51fd\u6570\u6ca1\u6709\u8bf4\u660e\u53c2\u6570\uff0c\u4e5f\u53ef\u4ee5\u67e5\u770b\u5b83\u7684\u6e90\u4ee3\u7801\uff0c\u786e\u8ba4\u53c2\u8d5b\uff0c\u9875\u9762\u5e95\u90e8\u6709\u8bf4\u660e\u8fd9\u4e2a\u51fd\u6570\u7684\u4f4d\u7f6e\uff0c<\/p>\n\n\n\n<p>\u4f60\u53ef\u4ee5\u76f4\u63a5\u53bb\u5bf9\u5e94\u7684\u6587\u4ef6\u67e5\u770b\u8fd9\u4e2a Hook \u7684\u8c03\u7528\u53c2\u6570\u3002\u4e86\u89e3\u5230\u53c2\u6570\u540e\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e9b\u53c2\u6570\uff0c\u6765\u6267\u884c\u4e00\u7cfb\u5217\u64cd\u4f5c\u4e86\u3002<\/p>\n\n\n\n<p>\u867d\u7136\u4f60\u53ef\u80fd\u67e5\u5230\u4e86\u6709\u4e09\u4e2a\u53c2\u6570\uff0c\u53ef\u4ee5\u4e0d\u4f7f\u7528\u4e09\u4e2a\u53c2\u6570\uff0c\u6bd4\u5982\u53ea\u4f7f\u7528\u524d\u4e24\u4e2a\u3002\u4f46\u662f\u5982\u679c\u8981\u7528\u7b2c\u4e00\u4e2a\u548c\u7b2c\u4e09\u4e2a\uff0c\u5219\u8fd8\u662f\u9700\u8981\u5728 add_action \u4e2d\u8bbe\u7f6e\u53c2\u6570\u4e2a\u6570\u4e3a3\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"pk-menu-15\">apply_filters<\/h3>\n\n\n\n<p>apply_filters\u00a0\u51fd\u6570\u548c do_action \u7c7b\u4f3c\uff0c\u5b83\u4f1a\u5bf9\u6570\u636e\u6267\u884c\u4e00\u7cfb\u5217\u64cd\u4f5c\u6765\u8fdb\u884c\u5904\u7406\u3002\u7cfb\u7edf\u901a\u8fc7\u5982\u4e0b\u65b9\u6cd5\u8fdb\u884c\u8c03\u7528,<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>$value = apply_filters( 'example_filter', 'filter me', $arg1, $arg2 );<\/code><\/pre>\n\n\n\n<p>\u53ef\u4ee5\u770b\u5230\u8fd9\u4e2a\u51fd\u6570\u7684\u7ed3\u679c\u4f1a\u88ab\u8d4b\u503c\u7ed9\u4e00\u4e2a\u53d8\u91cf\uff0c\u6240\u4ee5\u5b83\u548c do_action \u4e0d\u540c\u4e4b\u5904\u5c31\u5728\u4e8e\u5b83\u9700\u8981\u4e00\u4e2a\u8fd4\u56de\u503c\u3002\u5176\u4ed6\u5927\u4f53\u4e0a\u76f8\u540c\uff0c\u4e0d\u518d\u8d58\u8ff0\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"pk-menu-16\">add_filter<\/h3>\n\n\n\n<p>\u8fd9\u4e2a\u51fd\u6570\u548c\u521a\u521a\u8bf4\u7684 add_action \u57fa\u672c\u76f8\u540c\uff0c\u51fd\u6570\u7684\u5b9a\u4e49\u4e5f\u76f8\u540c\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>add_filter( string $tag, callable $function_to_add, int $priority = 10, int $accepted_args = 1 )<\/code><\/pre>\n\n\n\n<p>\u8fd9\u4e2a\u51fd\u6570\u7684\u4f7f\u7528\u4e0d\u518d\u8d58\u8ff0\uff0c\u53ef\u4ee5\u53c2\u8003\u4e0a\u9762 add_action \u7684\u5185\u5bb9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u6587\u6709\u52a9\u4e8e\u4f60\u6df1\u5ea6\u4e86\u89e3 WordPress\u00a0\u4e3b\u9898\u548c\u63d2\u4ef6\u7684 PHP\u00a0\u52a0\u8f7d\u987a\u5e8f\uff0c\u5b66\u4e60\u00a0Hook\uff08\u94a9\u5b50\uff09Action\uff08\u52a8\u4f5c\u94a9\u5b50\uff09\u00a0Filters\uff08\u8fc7\u6ee4\u94a9\u5b50\uff09\u7684\u6982\u5ff5\uff0c\u5f04\u61c2 WordPress \u91cd\u8981\u51fd\u6570\uff1ado_action\u3001add_action\u3001app&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,1],"tags":[42],"topic":[],"_links":{"self":[{"href":"https:\/\/www.cuishaofeng.com\/index.php?rest_route=\/wp\/v2\/posts\/676"}],"collection":[{"href":"https:\/\/www.cuishaofeng.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cuishaofeng.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cuishaofeng.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cuishaofeng.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=676"}],"version-history":[{"count":1,"href":"https:\/\/www.cuishaofeng.com\/index.php?rest_route=\/wp\/v2\/posts\/676\/revisions"}],"predecessor-version":[{"id":677,"href":"https:\/\/www.cuishaofeng.com\/index.php?rest_route=\/wp\/v2\/posts\/676\/revisions\/677"}],"wp:attachment":[{"href":"https:\/\/www.cuishaofeng.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=676"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cuishaofeng.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=676"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cuishaofeng.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=676"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.cuishaofeng.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftopic&post=676"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}