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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 |
---|---|
4572 | /** |
4573 | * Filters the list of media attached to the given post. |
4574 | * |
4575 | * @since 3.6.0 |
4576 | * |
4577 | * @param WP_Post[] $children Array of media attached to the given post. |
4578 | * @param string $type Mime type of the media desired. |
4579 | * @param WP_Post $post Post object. |
4580 | */ |
4581 | return (array) apply_filters( 'get_attached_media', $children, $type, $post ); |
4582 | } |
4583 |
|
4584 | /** |
4585 | * Check the content HTML for a audio, video, object, embed, or iframe tags. |
4586 | * |
4587 | * @since 3.6.0 |
4588 | * |
4589 | * @param string $content A string of HTML which might contain media elements. |
4590 | * @param string[] $types An array of media types: 'audio', 'video', 'object', 'embed', or 'iframe'. |