3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo[]= array('color' => 'red' , 'size' => 'small'); $foo[]= array('color' => 'blue', 'size' => 'large'); $foo[]= array('size' => 'medium'); reset($foo); while (list($key, $val) = each($foo)) { echo "$key => $val\n"; }
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/VA9EG:7 Stack trace: #0 {main} thrown in /in/VA9EG on line 7
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/VA9EG on line 7 Notice: Array to string conversion in /in/VA9EG on line 8 0 => Array Notice: Array to string conversion in /in/VA9EG on line 8 1 => Array Notice: Array to string conversion in /in/VA9EG on line 8 2 => Array
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, 7.3.32 - 7.3.33
0 => Array 1 => Array 2 => Array
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
Notice: Array to string conversion in /in/VA9EG on line 8 0 => Array Notice: Array to string conversion in /in/VA9EG on line 8 1 => Array Notice: Array to string conversion in /in/VA9EG on line 8 2 => Array
preferences:
234.78 ms | 403 KiB | 460 Q