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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 |
|---|---|
| 4472 | /** |
| 4473 | * Filters arguments used to retrieve media attached to the given post. |
| 4474 | * |
| 4475 | * @since 3.6.0 |
| 4476 | * |
| 4477 | * @param array $args Post query arguments. |
| 4478 | * @param string $type Mime type of the desired media. |
| 4479 | * @param WP_Post $post Post object. |
| 4480 | */ |
| 4481 | $args = apply_filters( 'get_attached_media_args', $args, $type, $post ); |
| 4482 | |
| 4483 | $children = get_children( $args ); |
| 4484 | |
| 4485 | /** |
| 4486 | * Filters the list of media attached to the given post. |
| 4487 | * |
| 4488 | * @since 3.6.0 |
| 4489 | * |
| 4490 | * @param WP_Post[] $children Array of media attached to the given post. |