3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $in = [ [1, 2], [1, 1], [2, 1] ]; foreach ($in as $pair) { list($a, $b) = $pair; var_dump($a, $b, $a <=> $b); }
Output for 7.0.0 - 7.2.0
int(1) int(2) int(-1) int(1) int(1) int(0) int(2) int(1) int(1)
Output for 5.4.10 - 5.6.28
Parse error: syntax error, unexpected '>' in /in/mHCU1 on line 11
Process exited with code 255.
Output for 5.3.20 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/mHCU1 on line 3
Process exited with code 255.