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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 |
|---|---|
| 3608 | /** |
| 3609 | * Filters the list of media attached to the given post. |
| 3610 | * |
| 3611 | * @since 3.6.0 |
| 3612 | * |
| 3613 | * @param array $children Associative array of media attached to the given post. |
| 3614 | * @param string $type Mime type of the media desired. |
| 3615 | * @param mixed $post Post ID or object. |
| 3616 | */ |
| 3617 | return (array) apply_filters( 'get_attached_media', $children, $type, $post ); |
| 3618 | } |
| 3619 | |
| 3620 | /** |
| 3621 | * Check the content blob for an audio, video, object, embed, or iframe tags. |
| 3622 | * |
| 3623 | * @since 3.6.0 |
| 3624 | * |
| 3625 | * @param string $content A string which might contain media data. |
| 3626 | * @param array $types An array of media types: 'audio', 'video', 'object', 'embed', or 'iframe'. |