<?php
$a = array('A','B','C','D');
$b = array(1,2,3);
$c = array('@','#');
print_r(combineDika($a,$b,$c));
/**
- 所有数组的笛卡尔积
- @param unknown_type $data
*/
function combineDika() {
$data = func_get_args();
$cnt = count($data);
$result = array();
foreach($data[0] as $item) {
$result[] = array($item);
}
for($i = 1; $i < $cnt; $i++) {
$result = combineArray($result,$data[$i]);
}
return $result;}
/**
- 两个数组的笛卡尔积
- @param unknown_type $arr1
- @param unknown_type $arr2
*/
function combineArray($arr1,$arr2) {
$result = array();
foreach ($arr1 as $item1) {
foreach ($arr2 as $item2) {
$temp = $item1;
$temp[] = $item2;
$result[] = $temp;
}
}
return $result;}
