3v4l.org

run code in 300+ PHP versions simultaneously
<?php function func() { static $x = 0; $x++; echo $x; unset($x); echo $x; } func(); func(); func();
Output for 8.0.0 - 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 - 8.5.3
1 Warning: Undefined variable $x in /in/tQLiW on line 9 2 Warning: Undefined variable $x in /in/tQLiW on line 9 3 Warning: Undefined variable $x in /in/tQLiW on line 9
Output for 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
1 Notice: Undefined variable: x in /in/tQLiW on line 9 2 Notice: Undefined variable: x in /in/tQLiW on line 9 3 Notice: Undefined variable: x in /in/tQLiW on line 9
preferences:
88.99 ms | 1556 KiB | 4 Q