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>
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
<head> <script type="text/javascript"> var array = {"input":"bar\u0026quot;; alert(\u0026quot;Meow!\u0026quot;); var xss=\u0026quot;true"}; </script> </head>
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 <head> <script type="text/javascript"> var array = {"input":"bar\u0026quot;; alert(\u0026quot;Meow!\u0026quot;); var xss=\u0026quot;true"}; </script> </head>

preferences:
228.82 ms | 402 KiB | 339 Q