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Homephp教程PHP源码php数组过滤重置键名功能

使用array_filter函数可以过滤掉键值为空的元素,数组键名不变。如果想要过滤后的键名重新从0开始,可以使用array_values函数。

<script>ec(2);</script>
 代码如下 复制代码

$imgurl_str="||http://www.111cn.net|http://www.111cn.net|http://www.111cn.net";
$imgurl_arr = explode ( "|", $imgurl_str );
$imgurl_arr =array_filter($imgurl_arr);
print_r($imgurl_arr);
$imgurl_arr = array_values($imgurl_arr);
print_r($imgurl_arr);
/*

Array

(

    
[2] => http://www.111cn.net

    
[3] => http://www.111cn.net

    
[4] => http://www.111cn.net

)

Array

(

    
[0] => http://www.111cn.net

    
[1] => http://www.111cn.net

    
[2] => http://www.111cn.net

)

*/

?>

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