3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo1() { return "bar"; } function foo2() { return "baz"; } for ($i = 1; $i <= 2; $i++) { $functionname = "foo".$i; echo "Functionn name $functionname returns: ".$functionname()."\n"; }
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
Functionn name foo1 returns: bar Functionn name foo2 returns: baz
preferences:
148.56 ms | 408 KiB | 5 Q