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run code in 300+ PHP versions simultaneously
<?php $arr1 = [1,2,3]; $arr2 = ["A","B","C"]; $arr = [["A"=>$arr1, "B"=>$arr2],["B"=>$arr1, "C"=>$arr2]]; $callback = function($v1, $v2){ return $v1."-".$v2; }; reset($arr[0]); reset($arr[1]); $res = []; while (current($arr[0]) !== false){ $key = key($arr[0])."-".key($tot[1]); $value = array_map($callback, current($arr[0]), current($arr[1])); $res[$key] = $value; next($arr[0]); next($arr[1]); } print_r($res);
Output for 8.3.0 - 8.3.4, 8.3.6
Warning: Undefined variable $tot in /in/oXEQH on line 13 Warning: Trying to access array offset on null in /in/oXEQH on line 13 Fatal error: Uncaught TypeError: key(): Argument #1 ($array) must be of type array, null given in /in/oXEQH:13 Stack trace: #0 /in/oXEQH(13): key(NULL) #1 {main} thrown in /in/oXEQH on line 13
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Warning: Undefined variable $tot in /in/oXEQH on line 13 Warning: Trying to access array offset on null in /in/oXEQH on line 13 Fatal error: Uncaught TypeError: key(): Argument #1 ($array) must be of type array, null given in /in/oXEQH:13 Stack trace: #0 /in/oXEQH(13): key(NULL) #1 {main} thrown in /in/oXEQH on line 13
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Warning: Undefined variable $tot in /in/oXEQH on line 13 Warning: Trying to access array offset on value of type null in /in/oXEQH on line 13 Fatal error: Uncaught TypeError: key(): Argument #1 ($array) must be of type array, null given in /in/oXEQH:13 Stack trace: #0 /in/oXEQH(13): key(NULL) #1 {main} thrown in /in/oXEQH on line 13
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Notice: Undefined variable: tot in /in/oXEQH on line 13 Notice: Trying to access array offset on value of type null in /in/oXEQH on line 13 Warning: key() expects parameter 1 to be array, null given in /in/oXEQH on line 13 Notice: Undefined variable: tot in /in/oXEQH on line 13 Notice: Trying to access array offset on value of type null in /in/oXEQH on line 13 Warning: key() expects parameter 1 to be array, null given in /in/oXEQH on line 13 Array ( [A-] => Array ( [0] => 1-1 [1] => 2-2 [2] => 3-3 ) [B-] => Array ( [0] => A-A [1] => B-B [2] => C-C ) )
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.3.32 - 7.3.33
Warning: key() expects parameter 1 to be array, null given in /in/oXEQH on line 13 Warning: key() expects parameter 1 to be array, null given in /in/oXEQH on line 13 Array ( [A-] => Array ( [0] => 1-1 [1] => 2-2 [2] => 3-3 ) [B-] => Array ( [0] => A-A [1] => B-B [2] => C-C ) )
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31
Notice: Undefined variable: tot in /in/oXEQH on line 13 Warning: key() expects parameter 1 to be array, null given in /in/oXEQH on line 13 Notice: Undefined variable: tot in /in/oXEQH on line 13 Warning: key() expects parameter 1 to be array, null given in /in/oXEQH on line 13 Array ( [A-] => Array ( [0] => 1-1 [1] => 2-2 [2] => 3-3 ) [B-] => Array ( [0] => A-A [1] => B-B [2] => C-C ) )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/oXEQH on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/oXEQH on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/oXEQH on line 3
Process exited with code 255.
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