PHP 二维数据去重复值方法（去重）

1. 二维数组去复

2. $a=array(

3. '0'=>array("a"=>"red","b"=>"green","c"=>"red","d"=>'hey'),

4. '1'=>array("a"=>"red","b"=>"green","c"=>"red","d"=>'hey'),

5. '2'=>array("a"=>"node","b"=>"green","c"=>"red","d"=>'hey')

6. );

7. foreach($a as $key=>$value){

8. $data[] =implode(',', $value);

9. }

10. $res = array_unique($data);

11. foreach($res as $key){

12. $array[] = explode(',', $key);

13. }