3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a1 = [2, 4, 6, 8]; $a2 = [4, 8, 12, 16]; $a3 = []; for($i = 0; $i < count($a1); $i++){ for($j = 0; $j < count($a2); $j++){ if($a1[$i] === $a2[$j]){ $a3[] = $a1[$i]; } } } print_r($a3);
based on 63Vc2
Output for 5.4.0 - 7.1.0
Array ( [0] => 4 [1] => 8 )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/VBQJP on line 3
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 '[' in /in/VBQJP on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/VBQJP on line 3
Process exited with code 255.