3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $array = range(1, 1000000); foreach($array as $key => $value) { $array[$key] *= 2; } print_r([$array[0], $array[999999]]);
based on pYV4n
Output for 7.0.0 - 7.1.0
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 33554440 bytes) in /in/iO95W on line 6
Process exited with code 255.
Output for hhvm-3.12.0
Array ( [0] => 2 [1] => 2000000 )
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.4.0 - 5.6.28
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 32 bytes) in /in/iO95W on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ')' in /in/iO95W on line 9
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[', expecting ')' in /in/iO95W on line 9
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/iO95W on line 9
Process exited with code 255.