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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 |
---|---|
3555 | /** |
3556 | * Filters the list of media attached to the given post. |
3557 | * |
3558 | * @since 3.6.0 |
3559 | * |
3560 | * @param array $children Associative array of media attached to the given post. |
3561 | * @param string $type Mime type of the media desired. |
3562 | * @param mixed $post Post ID or object. |
3563 | */ |
3564 | return (array) apply_filters( 'get_attached_media', $children, $type, $post ); |
3565 | } |
3566 |
|
3567 | /** |
3568 | * Check the content blob for an audio, video, object, embed, or iframe tags. |
3569 | * |
3570 | * @since 3.6.0 |
3571 | * |
3572 | * @param string $content A string which might contain media data. |
3573 | * @param array $types An array of media types: 'audio', 'video', 'object', 'embed', or 'iframe'. |