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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 |
|---|---|
| 7702 | */ |
| 7703 | function wp_delete_file( $file ) { |
| 7704 | /** |
| 7705 | * Filters the path of the file to delete. |
| 7706 | * |
| 7707 | * @since 2.1.0 |
| 7708 | * |
| 7709 | * @param string $file Path to the file to delete. |
| 7710 | */ |
| 7711 | $delete = apply_filters( 'wp_delete_file', $file ); |
| 7712 | |
| 7713 | if ( ! empty( $delete ) ) { |
| 7714 | return @unlink( $delete ); |
| 7715 | } |
| 7716 | |
| 7717 | return false; |
| 7718 | } |
| 7719 | |
| 7720 | /** |