PHP二维数组 去除特定重复值的有关问题

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Release: 2016-06-13 11:39:46
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【求助】PHP二维数组 去除特定重复值的问题
原数组:
$arr = array( 
array('id' => 1,'name' => 'aaa','uid'=>1), 
array('id' => 2,'name' => 'bbb','uid'=>2), 
array('id' => 3,'name' => 'ccc','uid'=>3), 
array('id' => 4,'name' => 'ddd','uid'=>4), 
array('id' => 5,'name' => 'ccc','uid'=>3), 
array('id' => 6,'name' => 'bbb','uid'=>2), 
array('id' => 7,'name' => 'bbb','uid'=>2), 
array('id' => 8,'name' => 'fff','uid'=>6), 
array('id' => 9,'name' => 'ccc','uid'=>3), 
array('id' => 10,'name' => 'bbb','uid'=>2), 
array('id' => 11,'name' => 'ddd','uid'=>4), 
array('id' => 12,'name' => 'eee','uid'=>5), 
array('id' => 13,'name' => 'fff','uid'=>6), 
); 

问题描叙:想获取$arr中id为 1,3,5,7,9的值,但是‘name’和‘uid’的值不能有重复。举例:id==3对应的name==ccc,但是id==5对应的 name==ccc,所以不取id为5的这一条,取它的下一条 id=6的值,如果id=6的值,和前面的还有重复,则再取下一条,以此类推。

如果想要取id为1,3,5,7,9的值,则想要的结果是:
$arr_new = array( 
array('id' => 1,'name' => 'aaa','uid'=>1), 
array('id' => 3,'name' => 'ccc','uid'=>3), 
array('id' => 6,'name' => 'bbb','uid'=>2), 
array('id' => 8,'name' => 'fff','uid'=>6), 
);

PHP 二维数组递归取值
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