WP_CLI

FileCache::remove │ public │ WP-CLI 1.0

Remove file from cache

Method of the class: FileCache{}

No Hooks.

Returns

true|false.

Usage

$FileCache = new FileCache();
$FileCache->remove( $key );
$key(string) (required)
cache key.

FileCache::remove() code WP-CLI 2.13.0-alpha

wp-cli/php/WP_CLI/FileCache.php 
public function remove( $key ) {
	if ( ! $this->enabled ) {
		return false;
	}

	$filename = $this->filename( $key );

	if ( file_exists( $filename ) ) {
		return unlink( $filename );
	}

	return false;
}