PHP获取数组中重复的元素实例教程
1.获取一个数组中重复的元素。代码如下:
a.方法一:
代码如下 | |
function array_repeat($arr) |
b.方法二:
代码如下 | |
function array_repeat($arr) |
测试方法
代码如下 | |
$arr = array('apple','blue','red','banana','pear','apple','blue','color','color'); 结果: Array ( [5] => apple [6] => blue [8] => color ) |
后来代一些删除数组重复元素的方法
array_keys函数来删除数组重复元素。
*/
代码如下 | |
$a=array("red", "green", "blue", "yellow"); //array array_splice (array input, int offset [, int length [, array replacement]]) |
//下面看一个比较全面的删除重复值并且删除指定的数组元素
代码如下 | |
$array1 = array(1 => "www.45it.net", 2 => "菠萝", 4 => "www.45it.net",3 => "香蕉",4 => "芭乐",5 => "www.45it.net",6 => "www.45it.net"); $search_keys = array_keys($array1, "www.45it.net"); foreach($search_keys as $key) { print_r($array1); /* //删除数组中重复元素的函数 |

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