3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1, 2, 3, 4, 5); foreach($a as $n) { echo "$n"; if ($n == 4) { echo '.'; $a = array_merge($a, array(6, 7)); } } echo "\n"; $a = array(1, 2, 3, 4, 5); foreach($a as $n) { echo "$n"; if ($n == 4) { echo '.'; $a[] = 6; $a[] = 7; } } echo "\n"; $a = array(1, 2, 3, 4, 5); foreach($a as $n) { echo "$n"; if ($n == 4) { echo '.'; array_push($a, 6); array_push($a, 7); } } echo "\n"; $a = array(1, 2, 3, 4, 5); foreach($a as $n) { echo "$n"; if ($n == 4) { echo '.'; array_push($a, 6, 7); } } echo "\n"; $a = array(1, 2, 3, 4, 5); $a = new ArrayObject($a); foreach($a as $n) { echo "$n"; if ($n == 4) { echo '.'; array_push($a, array(6, 7)); } }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
1234.5 1234.5 1234.5 1234.5 1234. Fatal error: Uncaught TypeError: array_push(): Argument #1 ($array) must be of type array, ArrayObject given in /in/KCl61:54 Stack trace: #0 /in/KCl61(54): array_push(Object(ArrayObject), Array) #1 {main} thrown in /in/KCl61 on line 54
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
1234.5 1234.5 1234.5 1234.5 1234. Warning: array_push() expects parameter 1 to be array, object given in /in/KCl61 on line 54 5
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
1234.5 1234.5 1234.5 1234.5 1234. Warning: array_push(): First argument should be an array in /in/KCl61 on line 54 5
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
1234.5 1234.5 1234.5 1234.5 Fatal error: Cannot instantiate non-existent class: arrayobject in /in/KCl61 on line 49
Process exited with code 255.
Output for 4.3.0 - 4.3.1
1234.5 1234.5 1234.5 1234.5 Fatal error: Cannot instantiate non-existent class: arrayobject in /in/KCl61 on line 49
preferences:
247.37 ms | 402 KiB | 424 Q