3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = <<<INPUT bar&quot;; alert(&quot;Meow!&quot;); var xss=&quot;true INPUT; $array = array('input' => $input); $output = json_encode($array, JSON_HEX_TAG | JSON_HEX_AMP | JSON_HEX_APOS | JSON_HEX_QUOT); ?> <head> <script type="text/javascript"> var array = <?php echo $output; ?>; </script> </head>

preferences:
37.8 ms | 402 KiB | 5 Q