3v4l.org

run code in 300+ PHP versions simultaneously
<?php ini_set("docref_root", "https://php.net/manual/en/"); ini_set("html_errors", "1"); session_destroy();
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.14
<br /> <b>Warning</b>: session_destroy() [<a href='https://php.net/manual/en/function.session-destroy'>function.session-destroy</a>]: Trying to destroy uninitialized session in <b>/in/deO0B</b> on line <b>5</b><br />
preferences:
114.78 ms | 407 KiB | 5 Q