wp_unique_filename filter-hook . WP 4.5.0
Filters the result when generating a unique file name.
Usage
add_filter( 'wp_unique_filename', 'filter_function_name_9573', 10, 4 ); function filter_function_name_9573( $filename, $ext, $dir, $unique_filename_callback ){ // filter... return $filename; }
- $filename(string)
- Unique file name.
- $ext(string)
- File extension, eg. ".png".
- $dir(string)
- Directory path.
- $unique_filename_callback(callable/null)
- Callback function that generates the unique file name.
Changelog
Since 4.5.0 | Introduced. |
Where the hook is called
wp_unique_filename
wp-includes/functions.php 2600
return apply_filters( 'wp_unique_filename', $filename, $ext, $dir, $unique_filename_callback );