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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 3845 | /** |
| 3846 | * Filters the list of media attached to the given post. |
| 3847 | * |
| 3848 | * @since 3.6.0 |
| 3849 | * |
| 3850 | * @param array $children Associative array of media attached to the given post. |
| 3851 | * @param string $type Mime type of the media desired. |
| 3852 | * @param mixed $post Post ID or object. |
| 3853 | */ |
| 3854 | return (array) apply_filters( 'get_attached_media', $children, $type, $post ); |
| 3855 | } |
| 3856 | |
| 3857 | /** |
| 3858 | * Check the content blob for an audio, video, object, embed, or iframe tags. |
| 3859 | * |
| 3860 | * @since 3.6.0 |
| 3861 | * |
| 3862 | * @param string $content A string which might contain media data. |
| 3863 | * @param array $types An array of media types: 'audio', 'video', 'object', 'embed', or 'iframe'. |