protected function opNeq($left, $right)
{
if (($lStr = $this->coerceString($left)) && ($rStr = $this->coerceString($right))) {
$lStr[1] = '';
$rStr[1] = '';
$left = $this->compileValue($lStr);
$right = $this->compileValue($rStr);
}
return $this->toBool($left !== $right);
}