<?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($arr[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 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.26, 8.3.0 - 8.3.14, 8.4.1
- Array
(
[A-B] => Array
(
[0] => 1-1
[1] => 2-2
[2] => 3-3
)
[B-C] => 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/b8hqo 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/b8hqo on line 3
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error in /in/b8hqo on line 3
Process exited with code 255.
preferences:
51.39 ms | 409 KiB | 5 Q