3v4l.org

run code in 300+ PHP versions simultaneously
<?php $json = array( "Sample" => array( "title": "\u0000wesome Title", ) ); $encoded = json_encode($json); var_dump($encoded); $unescaped = preg_replace_callback('/\\\u(\w{4})/', function ($matches) { return html_entity_decode('&#x' . $matches[1] . ';', ENT_COMPAT, 'UTF-8'); }, $encoded); var_dump($unescaped);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.6
Parse error: syntax error, unexpected ':', expecting ')' in /in/RIEgv on line 5
Process exited with code 255.
preferences:
167.96 ms | 1395 KiB | 35 Q