src/Zicht/Bundle/FrameworkExtraBundle/Util/SortedSetMap.php
public function removeKey($key)
    {
        if (isset($this->values[$key])) {
            unset($this->values[$key]);
        }
        $this->stateChanged();
    }
public function removeKey($key)
    {
        if (isset($this->values[$key])) {
            unset($this->values[$key]);
        }
        $this->stateChanged();
    }
public function removeKey ( $ key ) { if ( isset ( $ this -> values [ $ key ] ) ) { unset ( $ this -> values [ $ key ] ) ; } $ this -> stateChanged ( ) ; }
Removes an entire set of values associated with the given key.

@param string $key
@return void
Removes an entire set of values associated with the given key .