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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 |
|---|---|
| 3098 | /** |
| 3099 | * Filter arguments used to retrieve media attached to the given post. |
| 3100 | * |
| 3101 | * @since 3.6.0 |
| 3102 | * |
| 3103 | * @param array $args Post query arguments. |
| 3104 | * @param string $type Mime type of the desired media. |
| 3105 | * @param mixed $post Post ID or object. |
| 3106 | */ |
| 3107 | $args = apply_filters( 'get_attached_media_args', $args, $type, $post ); |
| 3108 | |
| 3109 | $children = get_children( $args ); |
| 3110 | |
| 3111 | /** |
| 3112 | * Filter the list of media attached to the given post. |
| 3113 | * |
| 3114 | * @since 3.6.0 |
| 3115 | * |
| 3116 | * @param array $children Associative array of media attached to the given post. |