3v4l.org

run code in 300+ PHP versions simultaneously
<?php function c($a, $b = 1, $c) { return array($c, $a, $b); } list($a, $b, $c) = c(0,0,0); echo $b; ?>
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Optional parameter $b declared before required parameter $c is implicitly treated as a required parameter in /in/imtjX on line 2 0
Output for 8.0.0 - 8.0.30
Deprecated: Required parameter $c follows optional parameter $b in /in/imtjX on line 2 0
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
0
preferences:
165.25 ms | 403 KiB | 183 Q