<?php
/*
 *多维数组去重，根据变量值组合商品属性。
 *数组字段：dim维度，dimName维度名称，sku（value商品属性，shopid商品id）
 *假若，变量$shopid = 101;为当前商品id，则希望组合为
 *1、所有的维度去重
 *2、保留当前商品的颜色属性，就是说樱语粉的商品id是101，另外几个颜色任意保留其中一个。
 *   下面两个维度，保留颜色是樱语粉的属性。
 ***----------------------------------***
 **颜色 ： 樱语粉(101)  珠光白  魅海蓝  流光金
 **版本 ： 64GB(101)    32GB(105)
 **套装 :  官方标配(101)   特别版(102)
 ***----------------------------------***
 *求大神帮忙解答！！！
 */
$arr = array(
    '1' => array(
        'dim' => 1,
        'dimName' => '颜色',
        'sku' => array(
            '0' => Array('value' => '樱语粉','shopid' => 101),
            '1' => Array('value' => '樱语粉','shopid' => 102),
            '2' => Array('value' => '珠光白','shopid' => 103),
            '3' => Array('value' => '魅海蓝','shopid' => 104),
            '4' => Array('value' => '樱语粉','shopid' => 105),
            '5' => Array('value' => '流光金','shopid' => 106),
            '6' => Array('value' => '流光金','shopid' => 107),
            '7' => Array('value' => '魅海蓝','shopid' => 108)      
        )
    ),
    '2' => Array(
        'dim' => 2,
        'dimName' => '版本',
        'sku' => Array(
            '0' => Array('value' => '64GB','shopid' => 101),
            '1' => Array('value' => '64GB','shopid' => 102),
            '2' => Array('value' => '64GB','shopid' => 103),
            '3' => Array('value' => '32GB','shopid' => 104),
            '4' => Array('value' => '32GB','shopid' => 105),
            '5' => Array('value' => '32GB','shopid' => 106),
            '6' => Array('value' => '64GB','shopid' => 107),
            '7' => Array('value' => '64GB','shopid' => 108)
        )

    ),

    '3' => Array(
        'dim' => 3,
        'dimName' => '套装',
        'sku' => Array(
            '0' => Array('value' => '官方标配','shopid' => 101),
            '1' => Array('value' => '特别版','shopid' => 102),
            '2' => Array('value' => '官方标配','shopid' => 103),
            '3' => Array('value' => '官方标配','shopid' => 104),
            '4' => Array('value' => '官方标配','shopid' => 105),
            '5' => Array('value' => '官方标配','shopid' => 106),
            '6' => Array('value' => '官方标配','shopid' => 107),
            '7' => Array('value' => '官方标配','shopid' => 108)
        )

    )
);