@ 2013-08-22T14:34:21Z <?php
$array1 = ['a', 'b'];
$array2 = ['c', 'd'];
$array3 = ['e', 'f'];
$arrays = [$array1, $array2, $array3];
function array_cartesian($arrays)
{
if(count($arrays) == 0) {
return array(array());
}
$a = array_shift($arrays);
$c = array_cartesian($arrays);
$r = [];
foreach($a as $v) {
foreach($c as $p) {
$r[] = array_merge(array($v), $p);
}
}
return $r;
}
print_r(array_cartesian($arrays));
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Output for 5.4.0 - 5.4.45 , 5.5.0 - 5.5.38 , 5.6.0 - 5.6.40 , 7.0.0 - 7.0.33 , 7.1.0 - 7.1.33 , 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 - 8.1.28 , 8.2.0 - 8.2.18 , 8.3.0 - 8.3.6 Array
(
[0] => Array
(
[0] => a
[1] => c
[2] => e
)
[1] => Array
(
[0] => a
[1] => c
[2] => f
)
[2] => Array
(
[0] => a
[1] => d
[2] => e
)
[3] => Array
(
[0] => a
[1] => d
[2] => f
)
[4] => Array
(
[0] => b
[1] => c
[2] => e
)
[5] => Array
(
[0] => b
[1] => c
[2] => f
)
[6] => Array
(
[0] => b
[1] => d
[2] => e
)
[7] => Array
(
[0] => b
[1] => d
[2] => f
)
)
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/rL8tt 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/rL8tt on line 3
Process exited with code 255 . Output for 4.3.2 - 4.3.4 Parse error: parse error in /in/rL8tt on line 3
Process exited with code 255 . preferences:dark mode live preview
297.26 ms | 401 KiB | 460 Q