\u4ecewp_nav_menu\u4e2d\u83b7\u53d6\u83dc\u5355\u9879\uff0c\u7136\u540e\u68c0\u67e5\u8fd9\u4e9b\u83dc\u5355\u9879\u662f\u5426\u5bf9\u5e94\u5206\u7c7b(Category)\uff0c\u5e76\u8f93\u51fa\u8fd9\u4e9b\u5206\u7c7b\u7684ID\u3002<\/p>\n\n\n\n
\u4ee5\u4e0b\u662f\u5b8c\u6574\u7684\u4ee3\u7801\u5b9e\u73b0\uff1a<\/p>\n\n\n\n
<?php\n\/\/ \u83b7\u53d6\u6307\u5b9a\u83dc\u5355\u4f4d\u7f6e\u7684\u83dc\u5355\u9879\n$menu_items = wp_get_nav_menu_items('wodepress'); \/\/ 'wodepress' \u662f\u83dc\u5355\u4f4d\u7f6e\u7684\u540d\u79f0\n\nif ($menu_items) {\n $category_ids = array(); \/\/ \u7528\u4e8e\u5b58\u50a8\u5206\u7c7bID\u7684\u6570\u7ec4\n\n foreach ($menu_items as $item) {\n \/\/ \u68c0\u67e5\u83dc\u5355\u9879\u662f\u5426\u662f\u5206\u7c7b\n if ($item->object == 'category') {\n $category_ids[] = $item->object_id; \/\/ \u6dfb\u52a0\u5206\u7c7bID\u5230\u6570\u7ec4\n }\n }\n\n \/\/ \u8f93\u51fa\u5206\u7c7bID\n if (!empty($category_ids)) {\n echo implode(', ', $category_ids); \/\/ \u5c06\u5206\u7c7bID\u4ee5\u9017\u53f7\u5206\u9694\u7684\u5f62\u5f0f\u8f93\u51fa\n } else {\n echo '\u6ca1\u6709\u627e\u5230\u5206\u7c7bID';\n }\n}\n?><\/code><\/pre>\n\n\n\n\u4ee3\u7801\u8bf4\u660e\uff1a<\/p>\n\n\n\n
wp_get_nav_menu_items(‘wodepress’)\uff1a<\/p>\n\n\n\n
\u901a\u8fc7wp_get_nav_menu_items\u51fd\u6570\u83b7\u53d6\u6307\u5b9a\u83dc\u5355\u4f4d\u7f6e(wodepress)\u7684\u6240\u6709\u83dc\u5355\u9879\u3002<\/p>\n\n\n\n
\u8fd9\u4e9b\u83dc\u5355\u9879\u662f\u4e00\u4e2a\u5bf9\u8c61\u6570\u7ec4\uff0c\u6bcf\u4e2a\u5bf9\u8c61\u5305\u542b\u83dc\u5355\u9879\u7684\u5404\u79cd\u5c5e\u6027\u3002<\/p>\n\n\n\n
\u68c0\u67e5\u83dc\u5355\u9879\u662f\u5426\u662f\u5206\u7c7b\uff1a<\/p>\n\n\n\n
\u6bcf\u4e2a\u83dc\u5355\u9879\u5bf9\u8c61\u7684object\u5c5e\u6027\u8868\u793a\u83dc\u5355\u9879\u7684\u7c7b\u578b(\u5982category\u3001page\u3001post\u7b49)\u3002<\/p>\n\n\n\n
\u5982\u679cobject\u7b49\u4e8ecategory\uff0c\u5219\u8bf4\u660e\u8be5\u83dc\u5355\u9879\u662f\u4e00\u4e2a\u5206\u7c7b\u3002<\/p>\n\n\n\n
object_id\u5c5e\u6027\u662f\u5206\u7c7b\u7684ID\u3002<\/p>\n\n\n\n
\u5b58\u50a8\u5206\u7c7bID\uff1a<\/p>\n\n\n\n
\u5c06\u627e\u5230\u7684\u5206\u7c7bID\u6dfb\u52a0\u5230$category_ids\u6570\u7ec4\u4e2d\u3002<\/p>\n\n\n\n
\u8f93\u51fa\u5206\u7c7bID\uff1a<\/p>\n\n\n\n
\u4f7f\u7528implode\u51fd\u6570\u5c06\u5206\u7c7bID\u6570\u7ec4\u8f6c\u6362\u4e3a\u4ee5\u9017\u53f7\u5206\u9694\u7684\u5b57\u7b26\u4e32\u5e76\u8f93\u51fa\u3002<\/p>\n\n\n\n
\u793a\u4f8b\u8f93\u51fa\uff1a<\/p>\n\n\n\n
\u5047\u8bbe\u83dc\u5355\u4e2d\u6709\u4e24\u4e2a\u5206\u7c7b\uff0cID\u5206\u522b\u4e3a2\u548c4\uff0c\u90a3\u4e48\u8f93\u51fa\u5c06\u662f\uff1a<\/p>\n\n\n\n
2,4<\/p>\n\n\n\n
\u5982\u4f55\u4f7f\u7528\uff1a<\/p>\n\n\n\n
\u5c06\u4e0a\u8ff0\u4ee3\u7801\u66ff\u6362\u6389\u4f60\u539f\u6765\u7684wp_nav_menu\u8c03\u7528\u4ee3\u7801\uff0c\u653e\u5728\u9700\u8981\u8f93\u51fa\u5206\u7c7bID\u7684\u4f4d\u7f6e\u5373\u53ef\u3002\u4f8b\u5982\uff0c\u4f60\u53ef\u4ee5\u5c06\u5176\u653e\u5728\u4e3b\u9898\u7684\u4e3b\u9898\u6587\u4ef6(\u5982header.php\u6216sidebar.php)\u4e2d\u3002<\/p>\n\n\n\n
\u8fd9\u6837\uff0c\u4ee3\u7801\u4f1a\u81ea\u52a8\u4ece\u83dc\u5355\u4e2d\u63d0\u53d6\u5206\u7c7b\u7684ID\u5e76\u8f93\u51fa\uff0c\u800c\u4e0d\u9700\u8981\u624b\u52a8\u6307\u5b9a\u5206\u7c7bID\u3002<\/p>\n\n\n\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
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