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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 |
|---|---|
| 4787 | /** |
| 4788 | * Filters arguments used to retrieve media attached to the given post. |
| 4789 | * |
| 4790 | * @since 3.6.0 |
| 4791 | * |
| 4792 | * @param array $args Post query arguments. |
| 4793 | * @param string $type Mime type of the desired media. |
| 4794 | * @param WP_Post $post Post object. |
| 4795 | */ |
| 4796 | $args = apply_filters( 'get_attached_media_args', $args, $type, $post ); |
| 4797 | |
| 4798 | $children = get_children( $args ); |
| 4799 | |
| 4800 | /** |
| 4801 | * Filters the list of media attached to the given post. |
| 4802 | * |
| 4803 | * @since 3.6.0 |
| 4804 | * |
| 4805 | * @param WP_Post[] $children Array of media attached to the given post. |