3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo preg_replace('/<!--(=\$.*)-->/', '<?$1?>', '<!--=$--> adsd asd asd a asda sda da sd a<!--=$--> sd asdasdas <!--=$-->');
based on h4ZQ8
Output for 4.3.0 - 7.2.0
<?=$?> adsd asd asd a asda sda da sd a<?=$?> sd asdasdas <?=$?>