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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 |
---|---|
6802 | */ |
6803 | function wp_delete_file( $file ) { |
6804 | /** |
6805 | * Filters the path of the file to delete. |
6806 | * |
6807 | * @since 2.1.0 |
6808 | * |
6809 | * @param string $file Path to the file to delete. |
6810 | */ |
6811 | $delete = apply_filters( 'wp_delete_file', $file ); |
6812 | if ( ! empty( $delete ) ) { |
6813 | @unlink( $delete ); |
6814 | } |
6815 | } |
6816 |
|
6817 | /** |
6818 | * Deletes a file if its path is within the given directory. |
6819 | * |
6820 | * @since 4.9.7 |