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Homephp教程php手册两种php去除二维数组的重复项方法

这篇文章主要介绍了两种php去除二维数组的重复项方法,大家可以进行比较看哪一种更适合自己,需要的朋友可以参考下

php去掉二维数组的重复值的方法总结,具体代码如下:
方法一:

//二维数组去掉重复值 function array_unique_fb($array2D){ foreach ($array2D as $v){ $v=join(',',$v); //降维,也可以用implode,将一维数组转换为用逗号连接的字符串 $temp[]=$v; } $temp=array_unique($temp); //去掉重复的字符串,也就是重复的一维数组 foreach ($temp as $k => $v){ $temp[$k]=explode(',',$v); //再将拆开的数组重新组装 } return $temp; }

方法二:

//二维数组去掉重复值,并保留键值 function array_unique_fb($array2D){ foreach ($array2D as $k=>$v){ $v=join(',',$v); //降维,也可以用implode,将一维数组转换为用逗号连接的字符串 $temp[$k]=$v; } $temp=array_unique($temp); //去掉重复的字符串,也就是重复的一维数组 foreach ($temp as $k => $v){ $array=explode(',',$v); //再将拆开的数组重新组装 //下面的索引根据自己的情况进行修改即可 $temp2[$k]['id'] =$array[0]; $temp2[$k]['title'] =$array[1]; $temp2[$k]['keywords'] =$array[2]; $temp2[$k]['content'] =$array[3]; } return $temp2; }

两种php去除二维数组的重复项的方法,各有利弊,大家可以根据具体情况进行选择。

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