3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(-1); function foo ($varPrefix, $values = null, $lineno, $tag = null) { echo "Yes"; } foo (1,2,3,4);
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Optional parameter $values declared before required parameter $lineno is implicitly treated as a required parameter in /in/Qj9d1 on line 3 Yes
Output for 8.0.0 - 8.0.30
Deprecated: Required parameter $lineno follows optional parameter $values in /in/Qj9d1 on line 3 Yes
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 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Yes
preferences:
251.35 ms | 404 KiB | 328 Q