3v4l.org

run code in 500+ PHP versions simultaneously
<?php $f = array(2 => "hello world\n"); $l = array(3 => "goodbye\n"); function implodeList($v) { echo $v; } $f[2] != '' ? print($f[2]) : implodeList($l[3]); $f[2] = ''; $f[2] != '' ? print($f[2]) : implodeList($l[3]);
Output for 7.1.25 - 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 - 8.4.22, 8.5.0 - 8.5.7
hello world goodbye
preferences:
113.36 ms | 1488 KiB | 4 Q