private function hasParameterExpansion($variable)
    {
        if ((strpos($variable, self::SYMBOL_DEFAULT_VALUE) !== false) ||
            (strpos($variable, self::SYMBOL_ASSIGN_DEFAULT_VALUE) !== false)
        ) {
            return true;
        }

        return false;
    }
private function hasParameterExpansion($variable)
    {
        if ((strpos($variable, self::SYMBOL_DEFAULT_VALUE) !== false) ||
            (strpos($variable, self::SYMBOL_ASSIGN_DEFAULT_VALUE) !== false)
        ) {
            return true;
        }

        return false;
    }
private function hasParameterExpansion ( $ variable ) { if ( ( strpos ( $ variable , self :: SYMBOL_DEFAULT_VALUE ) !== false ) || ( strpos ( $ variable , self :: SYMBOL_ASSIGN_DEFAULT_VALUE ) !== false ) ) { return true ; } return false ; }
Checks to see if the variable has a parameter expansion

@param string $variable The variable to check

@return bool Does the variable have a parameter expansion
Checks to see if the variable has a parameter expansion