组合数学php函数的组合

Question

Looking for a function in php for possible element combinations of unknown number of groups like {x, y...z}...{x,y...z} example:

A:{1,2,3,4},B:{5,6},C:{a,b,c}

Result:

ABC
15a
15b
15c
16a
16b
16c
25a
25b
25c
26a
26b
26c
35a
35b
.
.
.
46c

I just need something like this but this is not working

$array = array( 'A' => array(1, 2, 3, 4), 'B' => array(5, 6). 'C' => array('a', 'b', 'c'))

function makeCombinations($array){ 
    foreach($array as $value){makeCombinations($array)
    }
}

Answer 1

try this.

Assuming A ,B , C were arrays

$a = array(1,2,3,4);
$b = array(5,6);
$c = array("a","b","c");

foreach($a as $values)
    foreach($b as $values2)
        foreach($c as $values3)
            echo $values."".$values2."".$values3."
";

Demo