Php 组mysql生成多维数组

我有以下资料：

$variants = [
     0 => [
     "variant_name" => "iPhone 5",
     "sku_id" => "2",
     "sku" => "GLC-IPH5REDXXXL",
     "stock_total" => "10",
     "stock_left" => "10",
     "retail_price" => 1000,
     "on_sale_price" => 0
    ],
    1 => [
     "variant_name" => "Red",
     "sku_id" => "2",
     "sku" => "GLC-IPH5REDXXXL",
     "stock_total" => "10",
     "stock_left" => "10",
     "retail_price" => 1000,
     "on_sale_price" => 0
    ],
    2 => [
     "variant_name" => "iPhone 6s Plus",
     "sku_id" => "4",
     "sku" => "GLC-IPH6SP",
     "stock_total" => "5",
     "stock_left" => "5",
     "retail_price" => 1000,
     "on_sale_price" => 0
    ],
    3 => [
     "variant_name" => "iPhone 6s",
     "sku_id" => "13",
     "sku" => "GLC-IPH6S",
     "stock_total" => "5",
     "stock_left" => "5",
     "retail_price" => 1000,
     "on_sale_price" => 0
    ]
 ]

我想把它们放在下面的数组中

0 => [
 "sku_id" => "2",
 "sku" => "GLC-IPH5REDXXXL",
 "stock_total" => "10",
 "stock_left" => "10",
 "retail_price" => 1000,
 "on_sale_price" => 0,
 "options" => ['iPhone 4', 'Red'],
 "option1" => 'iPhone4',
 "option2" => 'Red',
 "option3" => null
],
1 => [
 "sku_id" => "4",
 "sku" => "GLC-IPH6SP",
 "stock_total" => "5",
 "stock_left" => "5",
 "retail_price" => 1000,
 "on_sale_price" => 0,
 "options" => ['iPhone 6s Plus'],
 "option1" => 'iPhone 6s Plus',
 "option2" => null,
 "option3" => null
],
2 => [
 "sku_id" => "13",
 "sku" => "GLC-IPH6S",
 "stock_total" => "5",
 "stock_left" => "5",
 "retail_price" => 1000,
 "on_sale_price" => 0,
 "options" => ['iPhone 6s'],
 "option1" => 'iPhone 6s',
 "option2" => null,
 "option3" => null
]

我无法用每个变量的名称填充选项

我无法将选项1、选项2、选项3设置为每个对应的变量名称

我在第一个数组上尝试了一个简单的

foreach（$v）循环

options，option1，option2，option3，从中我得到了重复的值

---

我就是不知道怎么做，有什么建议吗？

你可以用一个简单的

foreach（）

或者

for（）

。这里的

for（）

效率有点低，因为它每次都运行，因此重复性很高，并且会不断被覆盖……但它可以工作：

 foreach($variants as $rows) {
    $sku[$rows['sku_id']]['sku_id']         =   $rows['sku_id'];
    $sku[$rows['sku_id']]['sku']            =   $rows['sku'];
    $sku[$rows['sku_id']]['stock_total']    =   $rows['stock_total'];
    $sku[$rows['sku_id']]['stock_left']     =   $rows['stock_left'];
    $sku[$rows['sku_id']]['retail_price']   =   $rows['retail_price'];
    $sku[$rows['sku_id']]['on_sale_price']  =   $rows['on_sale_price'];
    $sku[$rows['sku_id']]['options'][]      =   $rows['variant_name'];

    for($i = 0; $i < 3; $i++)
        $sku[$rows['sku_id']]['option'.($i+1)]  =   (isset($sku[$rows['sku_id']]['options'][$i]))? $sku[$rows['sku_id']]['options'][$i] : NULL;
 }

echo print_r(array_values($sku));

解决方案

$result = [];

foreach($variants as $v) {
    $result[$v['sku_id']]['sku_id'] = $v['sku_id'];
    $result[$v['sku_id']]['sku'] = $v['sku'];
    $result[$v['sku_id']]['stock_left'] = $v['stock_left'];
    $result[$v['sku_id']]['retail_price'] = price($v['retail_price']);
    $result[$v['sku_id']]['options'][] = $v['variant_name'];

    if(isset($result[$v['sku_id']]['options'][0])) {
        $result[$v['sku_id']]['option1'] = $result[$v['sku_id']]['options'][0]; 
    }
    else {
        $result[$v['sku_id']]['option1'] = null;        
    }

    if(isset($result[$v['sku_id']]['options'][1])) {
        $result[$v['sku_id']]['option2'] = $result[$v['sku_id']]['options'][1]; 
    }
    else {
        $result[$v['sku_id']]['option2'] = null;        
    }

    if(isset($result[$v['sku_id']]['options'][2])) {
        $result[$v['sku_id']]['option3'] = $result[$v['sku_id']]['options'][2]; 
    }
    else {
        $result[$v['sku_id']]['option3'] = null;        
    }
}

return $result;

---

谢谢你的评论，但我同时已经解决了：）我将在下面发布答案。你的答案是相似的，但我的解决方案有点不同

$result = [];

foreach($variants as $v) {
    $result[$v['sku_id']]['sku_id'] = $v['sku_id'];
    $result[$v['sku_id']]['sku'] = $v['sku'];
    $result[$v['sku_id']]['stock_left'] = $v['stock_left'];
    $result[$v['sku_id']]['retail_price'] = price($v['retail_price']);
    $result[$v['sku_id']]['options'][] = $v['variant_name'];

    if(isset($result[$v['sku_id']]['options'][0])) {
        $result[$v['sku_id']]['option1'] = $result[$v['sku_id']]['options'][0]; 
    }
    else {
        $result[$v['sku_id']]['option1'] = null;        
    }

    if(isset($result[$v['sku_id']]['options'][1])) {
        $result[$v['sku_id']]['option2'] = $result[$v['sku_id']]['options'][1]; 
    }
    else {
        $result[$v['sku_id']]['option2'] = null;        
    }

    if(isset($result[$v['sku_id']]['options'][2])) {
        $result[$v['sku_id']]['option3'] = $result[$v['sku_id']]['options'][2]; 
    }
    else {
        $result[$v['sku_id']]['option3'] = null;        
    }
}

return $result;