经过上面的指导，发现真的好简单，现在与大家一同分享。
| id |
field1 |
field2 | field3 | field4 | key |
| 1 |
*** | *** | *** | *** | meat1 |
| 2 |
*** | *** | *** | *** | meat1 |
| 3 |
*** | *** | *** | *** | meat1 |
| 4 | *** | *** | *** | *** | meat1 |
| 5 |
*** | *** | *** | *** | fruit2 |
| 6 | *** | *** | *** | *** | fruit2 |
| 7 |
*** | *** | *** | *** | fruit2 |
| 8 |
*** | *** | *** | *** | fruit2 |
| 9 |
*** | *** | *** | *** | fruit2 |
| 10 |
*** | *** | *** | *** | food3 |
| 11 |
*** | *** | *** | *** | food3 |
现在有如上所示的结果
要求：要对这个已经按key进行排序了的数组进行操作，相同key的项进行处理。
提示：这个是很典型的母子表的结构，也就是说其实它是两张表的合并，可以这样处理成两个数组，方便数组里面对块的操作
array1:id|key
| id |
key |
| 1 |
meat1 |
| 2 |
meat1 |
| 3 |
meat1 |
| 4 | meat1 |
| 5 |
fruit2 |
| 6 | fruit2 |
| 7 |
fruit2 |
| 8 |
fruit2 |
| 9 |
fruit2 |
| 10 |
food3 |
| 11 |
food3 |
array2:key => array(id,field1,field2,field3,field4,field5,key)
| id |
field1 |
field2 | field3 | field4 | key | |
| meat1=> |
1 |
*** | *** | *** | *** | meat1 |
| 2 |
*** | *** | *** | *** | meat1 | |
| 3 |
*** | *** | *** | *** | meat1 | |
| 4 | *** | *** | *** | *** | meat1 | |
| fruit2=> | 5 |
*** | *** | *** | *** | fruit2 |
| 6 | *** | *** | *** | *** | fruit2 | |
| 7 |
*** | *** | *** | *** | fruit2 | |
| 8 |
*** | *** | *** | *** | fruit2 | |
| 9 |
*** | *** | *** | *** | fruit2 | |
| food3=> | 10 |
*** | *** | *** | *** | food3 |
| 11 |
*** | *** | *** | *** | food3 |
实现如上数组分离代码
这样后，访问temparray的块数据就非常方便了
foreach($temparray as $row){
array1[$row['id']] = $row['key'];
array2[$row['key']][] = $row;
}
访问和处理代码
foreach($array1 as $id => $key){
$this->dosomething($id);
//访问temparray的块数组$array2[$key]
$this->dosomething2($array2[$key]);
}
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