3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $arr = [[0=>0,1=>1],[2=>3,3=>4],[4=>5,5=>6]]; var_dump($arr); foreach($arr as $row) { list($key, $value) = $row; echo $key .' -> '. $value .'\n'; } foreach ($arr as list($key, $value)) { echo $key .' -> '. $value .'\n'; }
Output for 7.0.0 - 7.1.0
array(3) { [0]=> array(2) { [0]=> int(0) [1]=> int(1) } [1]=> array(2) { [2]=> int(3) [3]=> int(4) } [2]=> array(2) { [4]=> int(5) [5]=> int(6) } } 0 -> 1\n Notice: Undefined offset: 0 in /in/L42Xl on line 7 Notice: Undefined offset: 1 in /in/L42Xl on line 7 -> \n Notice: Undefined offset: 0 in /in/L42Xl on line 7 Notice: Undefined offset: 1 in /in/L42Xl on line 7 -> \n0 -> 1\n Notice: Undefined offset: 0 in /in/L42Xl on line 11 Notice: Undefined offset: 1 in /in/L42Xl on line 11 -> \n Notice: Undefined offset: 0 in /in/L42Xl on line 11 Notice: Undefined offset: 1 in /in/L42Xl on line 11 -> \n
Output for hhvm-3.10.0 - 3.12.0
array(3) { [0]=> array(2) { [0]=> int(0) [1]=> int(1) } [1]=> array(2) { [2]=> int(3) [3]=> int(4) } [2]=> array(2) { [4]=> int(5) [5]=> int(6) } } 0 -> 1\n Notice: Undefined index: 1 in /in/L42Xl on line 7 Notice: Undefined index: 0 in /in/L42Xl on line 7 -> \n Notice: Undefined index: 1 in /in/L42Xl on line 7 Notice: Undefined index: 0 in /in/L42Xl on line 7 -> \n0 -> 1\n Notice: Undefined index: 1 in /in/L42Xl on line 13 Notice: Undefined index: 0 in /in/L42Xl on line 13 -> \n Notice: Undefined index: 1 in /in/L42Xl on line 13 Notice: Undefined index: 0 in /in/L42Xl on line 13 -> \n
Output for 5.5.0 - 5.6.28
array(3) { [0]=> array(2) { [0]=> int(0) [1]=> int(1) } [1]=> array(2) { [2]=> int(3) [3]=> int(4) } [2]=> array(2) { [4]=> int(5) [5]=> int(6) } } 0 -> 1\n Notice: Undefined offset: 1 in /in/L42Xl on line 7 Notice: Undefined offset: 0 in /in/L42Xl on line 7 -> \n Notice: Undefined offset: 1 in /in/L42Xl on line 7 Notice: Undefined offset: 0 in /in/L42Xl on line 7 -> \n0 -> 1\n Notice: Undefined offset: 1 in /in/L42Xl on line 11 Notice: Undefined offset: 0 in /in/L42Xl on line 11 -> \n Notice: Undefined offset: 1 in /in/L42Xl on line 11 Notice: Undefined offset: 0 in /in/L42Xl on line 11 -> \n
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected 'list' (T_LIST) in /in/L42Xl on line 11
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/L42Xl 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/L42Xl on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/L42Xl on line 3
Process exited with code 255.