处理三维数组，重新组合

function combineDika($data) {
    $result = array();
    foreach (array_shift($data) as $k=>$item) {
        $result[] = array($k=>$item);
    }


    foreach ($data as $k => $v) {
        $result2 = [];
        foreach ($result as $k1=>$item1) {
            foreach ($v as $k2=>$item2) {
                $temp     = $item1;
                $temp[$k2]   = $item2;
                $result2[] = $temp;
            }
        }
        $result = $result2;
    }
    return $result;
}

$skuattr = Array
(
    ‘7‘  => Array
    (
        ‘6‘ => ‘22x33‘,
        ‘9‘ => ‘44x55‘,
    ),

    ‘8‘  => Array
    (
        ‘12‘ => ‘大小号‘
    ),

    ‘9‘  => Array
    (
        ‘8‘  => ‘金属质‘,
        ‘13‘ => ‘塑料‘,
    ),

    ‘16‘ => Array
    (
        ‘14‘ => ‘圆形‘
    )

);

$a = combineDika($skuattr);
print_r($a);

<?php
    $array = array(‘0‘=>array(‘1‘=>‘a‘,‘2‘=>‘b‘),
　　　　　　　　　　　‘1‘=>array(‘3‘=>‘c‘,‘4‘=>‘d‘),
　　　　　　　　　　　　);
    foreach ($array as $key=>$value){
       foreach($value as $k=>$v){
         $data[] =$v;  
       }        
    }
    print_r($data);
?>