3v4l.org

run code in 300+ PHP versions simultaneously
<?php function bar($xxx = true){ echo "number of args" . func_num_args() ."\n"; } bar();
Output for 7.0.0 - 7.0.23, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 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
number of args0
preferences:
100.59 ms | 1651 KiB | 4 Q