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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 |
|---|---|
| 4769 | /** |
| 4770 | * Filters arguments used to retrieve media attached to the given post. |
| 4771 | * |
| 4772 | * @since 3.6.0 |
| 4773 | * |
| 4774 | * @param array $args Post query arguments. |
| 4775 | * @param string $type Mime type of the desired media. |
| 4776 | * @param WP_Post $post Post object. |
| 4777 | */ |
| 4778 | $args = apply_filters( 'get_attached_media_args', $args, $type, $post ); |
| 4779 | |
| 4780 | $children = get_children( $args ); |
| 4781 | |
| 4782 | /** |
| 4783 | * Filters the list of media attached to the given post. |
| 4784 | * |
| 4785 | * @since 3.6.0 |
| 4786 | * |
| 4787 | * @param WP_Post[] $children Array of media attached to the given post. |