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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 |
|---|---|
| 7671 | */ |
| 7672 | function wp_delete_file( $file ) { |
| 7673 | /** |
| 7674 | * Filters the path of the file to delete. |
| 7675 | * |
| 7676 | * @since 2.1.0 |
| 7677 | * |
| 7678 | * @param string $file Path to the file to delete. |
| 7679 | */ |
| 7680 | $delete = apply_filters( 'wp_delete_file', $file ); |
| 7681 | |
| 7682 | if ( ! empty( $delete ) ) { |
| 7683 | return @unlink( $delete ); |
| 7684 | } |
| 7685 | |
| 7686 | return false; |
| 7687 | } |
| 7688 | |
| 7689 | /** |