3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ['a', 1, true, 0, false, '', null]; foreach($a as $e) { var_dump($a ?? 'empty'); }
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.5 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(7) { [0]=> string(1) "a" [1]=> int(1) [2]=> bool(true) [3]=> int(0) [4]=> bool(false) [5]=> string(0) "" [6]=> NULL } array(7) { [0]=> string(1) "a" [1]=> int(1) [2]=> bool(true) [3]=> int(0) [4]=> bool(false) [5]=> string(0) "" [6]=> NULL } array(7) { [0]=> string(1) "a" [1]=> int(1) [2]=> bool(true) [3]=> int(0) [4]=> bool(false) [5]=> string(0) "" [6]=> NULL } array(7) { [0]=> string(1) "a" [1]=> int(1) [2]=> bool(true) [3]=> int(0) [4]=> bool(false) [5]=> string(0) "" [6]=> NULL } array(7) { [0]=> string(1) "a" [1]=> int(1) [2]=> bool(true) [3]=> int(0) [4]=> bool(false) [5]=> string(0) "" [6]=> NULL } array(7) { [0]=> string(1) "a" [1]=> int(1) [2]=> bool(true) [3]=> int(0) [4]=> bool(false) [5]=> string(0) "" [6]=> NULL } array(7) { [0]=> string(1) "a" [1]=> int(1) [2]=> bool(true) [3]=> int(0) [4]=> bool(false) [5]=> string(0) "" [6]=> NULL }
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Parse error: syntax error, unexpected '?' in /in/dR8hc on line 6
Process exited with code 255.
preferences:
182.72 ms | 402 KiB | 182 Q