PHP Logix表达式结果为变量

Is it possible to return 'false' or 'true' with logic expression? I need to put result to js ellegantly.

<script>
var asd = <?=(1==2)?>; // I want return var asd = false;
</script>

<script>
var asd = <?=(1==2)?'true':'false'?>; // I want return var asd = false;
</script>