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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 |
|---|---|
| 4965 | /** |
| 4966 | * Filters arguments used to retrieve media attached to the given post. |
| 4967 | * |
| 4968 | * @since 3.6.0 |
| 4969 | * |
| 4970 | * @param array $args Post query arguments. |
| 4971 | * @param string $type Mime type of the desired media. |
| 4972 | * @param WP_Post $post Post object. |
| 4973 | */ |
| 4974 | $args = apply_filters( 'get_attached_media_args', $args, $type, $post ); |
| 4975 | |
| 4976 | $children = get_children( $args ); |
| 4977 | |
| 4978 | /** |
| 4979 | * Filters the list of media attached to the given post. |
| 4980 | * |
| 4981 | * @since 3.6.0 |
| 4982 | * |
| 4983 | * @param WP_Post[] $children Array of media attached to the given post. |