http://ask.csdn.net/questions/148636
------解决方案--------------------
function foo($d) {
$r = array_pop($d);
while($d) {
$t = array();
$s = array_pop($d);
if(! is_array($s)) $s = array($s);
foreach($s as $x) {
foreach($r as $y) $t[] = array_merge(array($x), is_array($y) ? $y : array($y));
}
$r = $t;
}
return $r;
}
$ar = array(
array(1,2,3,4),
array('a','b','c'),
);
print_r(foo($ar));
Array
(
[0] => Array
(
[0] => 1
[1] => a
)
[1] => Array
(
[0] => 1
[1] => b
)
[2] => Array
(
[0] => 1
[1] => c
)
[3] => Array
(
[0] => 2
[1] => a
)
[4] => Array
(
[0] => 2
[1] => b
)
[5] => Array
(
[0] => 2
[1] => c
)
[6] => Array
(
[0] => 3
[1] => a
)
[7] => Array
(
[0] => 3
[1] => b
)
[8] => Array
(
[0] => 3
[1] => c
)
[9] => Array
(
[0] => 4
[1] => a
)
[10] => Array
(
[0] => 4
[1] => b
)
[11] => Array
(
[0] => 4
[1] => c
)
)
------解决方案--------------------