includes/managers/class-fs-cache-manager.php
function purge( $key ) {
            $this->_logger->entrance( 'key = ' . $key );

            $this->_options->unset_option( $key, true );
        }
function purge( $key ) {
            $this->_logger->entrance( 'key = ' . $key );

            $this->_options->unset_option( $key, true );
        }
function purge ( $ key ) { $ this -> _logger -> entrance ( 'key = ' . $ key ) ; $ this -> _options -> unset_option ( $ key , true ) ; }
Purge cached item.

@author Vova Feldman (@svovaf)
@since  1.1.6

@param string $key
Purge cached item .