WP_CLI

FileCache::filename │ protected │ WP-CLI 1.0

Destination filename from key

Method of the class: FileCache{}

No Hooks.

Returns

String. filename

Usage

// protected - for code of main (parent) or child class
$result = $this->filename( $key );
$key(string) (required)
.

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

wp-cli/php/WP_CLI/FileCache.php 
protected function filename( $key ) {
	return $this->root . $this->validate_key( $key );
}