3v4l.org

run code in 500+ PHP versions simultaneously
<?php $o1 = new stdClass(); $o1->allow_basic = 'foo'; echo $o1->allow_basic;
Output for 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.6
foo
preferences:
81.78 ms | 1103 KiB | 4 Q