3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'abc'; $GLOBALS['a'] = 123; echo $a;// 123
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.26, 8.3.0 - 8.3.15, 8.4.1 - 8.4.2
123

preferences:
77.56 ms | 407 KiB | 5 Q