src/Argument/Filter.php
public function compareByPrefix(Argument $a, Argument $b)
    {
        if ($this->prefixCompareString($a) < $this->prefixCompareString($b)) {
            return -1;
        }

        return 1;
    }
public function compareByPrefix(Argument $a, Argument $b)
    {
        if ($this->prefixCompareString($a) < $this->prefixCompareString($b)) {
            return -1;
        }

        return 1;
    }
public function compareByPrefix ( Argument $ a , Argument $ b ) { if ( $ this -> prefixCompareString ( $ a ) < $ this -> prefixCompareString ( $ b ) ) { return - 1 ; } return 1 ; }
Compare two arguments by their short and long prefixes.

@see usort()

@param Argument $a
@param Argument $b

@return int
Compare two arguments by their short and long prefixes .