3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test1($unset = false) { static $i = 1; echo $i; static $i = 'z'; echo $i; } test1(); test1(); test1(); test1();
Output for 8.3.0 - 8.3.6
Fatal error: Duplicate declaration of static variable $i in /in/n6K4T on line 8
Process exited with code 255.
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
zzzzzzzz
preferences:
185.27 ms | 405 KiB | 315 Q