wp_cache_get()
wp_cache_get( int|string $key, string $group = ”, bool $force = false, bool $found = null )
按键和组从缓存中检索缓存内容。
Retrieves the cache contents from the cache by key and group.
说明(Description)
另请参阅WP_Object_Cache::get()
参数(Parameters)
参数 | 类型 | 说明 |
---|---|---|
$key | (int | string) | 存储缓存内容的键。 |
$group | (string) | 缓存内容分组的位置。 |
$force | (bool) | 是否强制从永久缓存更新本地缓存。 |
$found | (bool) | 是否在缓存中找到该键(通过引用传递)。消除返回false(可存储值)的歧义。 |
源码(Source)
/** * Retrieves the cache contents from the cache by key and group. * * @since 2.0.0 * * @global WP_Object_Cache $wp_object_cache * * @param int|string $key What the contents in the cache are called * @param string $group Where the cache contents are grouped * @param bool $force Whether to force an update of the local cache from the persistent cache (default is false) * @param bool &$found Whether key was found in the cache. Disambiguates a return of false, a storable value. * @return bool|mixed False on failure to retrieve contents or the cache * contents on success */ function wp_cache_get( $key, $group = '', $force = false, &$found = null ) { global $wp_object_cache; return $wp_object_cache->get( $key, $group, $force, $found ); }
更新版本 | 源码位置 | 使用 | 被使用 |
---|---|---|---|
2.0.0 | wp-includes/cache.php | 2 | 2 |
wp_cache_get() 为WP2原创文章,链接:https://www.wp2.cn/functions/wp_cache_get/