src/Common/Service/FileCache/Driver.php
public function delete(string $sKey): bool
    {
        if ($this->exists($sKey)) {
            return @unlink($this->prepKey($sKey));
        } else {
            return false;
        }
    }
public function delete(string $sKey): bool
    {
        if ($this->exists($sKey)) {
            return @unlink($this->prepKey($sKey));
        } else {
            return false;
        }
    }
public function delete ( string $ sKey ) : bool { if ( $ this -> exists ( $ sKey ) ) { return @ unlink ( $ this -> prepKey ( $ sKey ) ) ; } else { return false ; } }
Delete a cache item

@param string $sKey The key of the item

@return bool
Delete a cache item