php去掉數(shù)組中的空元素的方法：1、使用“function myfunction($v) {…}”方法去除空元素；2、使用“foreach ($urlArr as $key => $val) {…}”方法去掉數(shù)組中的空元素。

本文操作環(huán)境：windows7系統(tǒng)、PHP7.1版，DELL G3電腦

php怎么去掉數(shù)組中的空元素？

PHP數(shù)組去除空元素的方法

去除空元素方法一：（保持鍵值不變）

原數(shù)組：

<?php Array(  [0] => sdfdsdsdsfrrrrrrr  [1] => fdsfdsdsfds  [2] => fdsfdsdsfdsds   [3] => fdsdsfdsfds   [4] =>   [5] =>  [6] =>  [7] => fdsfdsfdsfds  [8] => fdsfdsfdsfdsfdsfsd   [9] => ssssssss  [10] =>   [11] => sssssssssssssssssssss)  ?>

處理之后數(shù)組

<?php Array(  [0] => sdfdsdsdsfrrrrrrr  [1] => fdsfdsdsfds [2] => fdsfdsdsfdsds  [3] => fdsdsfdsfds  [7] => fdsfdsfdsfds  [8] => fdsfdsfdsfdsfdsfsd  [9] => ssssssss  [11] => sssssssssssssssssssss) ?>

使用方法：

<?php function myfunction($v) {     if ($v != "") {         return true;     }     return false; } print_r(array_filter($urlArr, "myfunction")); ?>

去除空元素方法二：（鍵值自增）

原數(shù)組：

<?php Array ( [0] => sdfdsdsdsfrrrrrrr [1] => fdsfdsdsfds [2] => fdsfdsdsfdsds [3] => fdsdsfdsfds [4] => [5] => [6] => [7] => fdsfdsfdsfds [8] => fdsfdsfdsfdsfdsfsd [9] => ssssssss [10] => [11] => sssssssssssssssssssss )

處理之后數(shù)組：

Array ( [0] => sdfdsdsdsfrrrrrrr [1] => fdsfdsdsfds [2] => fdsfdsdsfdsds [3] => fdsdsfdsfds [4] => fdsfdsfdsfds [5] => fdsfdsfdsfdsfdsfsd [6] => ssssssss [7] => sssssssssssssssssssss )

使用方法：

$arr = array();     foreach ($urlArr as $key => $val) {         if (empty($val)) {             continue;         }         $arr[] = $val;     }

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