3v4l.org

run code in 300+ PHP versions simultaneously
<?php $transport = array('foot', 'bike', 'car', 'plane'); $i=0; while (list(, $val)=each($transport)) { print $val; if($i==0) {$transport[]='merce';$i=1;} }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Call to undefined function each() in /in/4mbZT:5 Stack trace: #0 {main} thrown in /in/4mbZT on line 5
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Deprecated: The each() function is deprecated. This message will be suppressed on further calls in /in/4mbZT on line 5 footbikecarplanemerce
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 - 7.1.33, 7.3.32 - 7.3.33
footbikecarplanemerce
preferences:
262.92 ms | 404 KiB | 343 Q