- var_dump: documentation ( source)
- array_unshift: documentation ( source)
- array_slice: documentation ( source)
- print_r: documentation ( source)
<?php
$a = array(array(1, 2),
array(3, 4),
array(5));
function get_combinations($arrays) {
$result = array(array());
$count = count($arrays);
$first_array = $arrays[0];
if($count > 2) {
$array_merg = get_combinations(array_slice($arrays, 1));
} else {
$array_merg = $arrays[1];
}
$tmp = array();
foreach($first_array as $arele1) {
print_r($arele1);
foreach($array_merg as $arele2) {
print_r($arele2);
if(is_array($arele2)) {
$tmp[] = array_unshift($arele2,$arele1);
} else {
$tmp[] = array($arele1,$arele2);
}
}
}
print_r($tmp);
return $tmp;
}
var_dump(get_combinations($a));