php去掉数组中的空元素的方法：1、使用“function myfunction($v) {...}”方法去除空元素；2、使用“foreach ($urlArr as $key => $val) {...}”方法去掉数组中的空元素。
本文操作环境：windows7系统、PHP7.1版，DELL G3电脑
php怎么去掉数组中的空元素？
PHP数组去除空元素的方法
去除空元素方法一：（保持键值不变）
立即学习“PHP免费学习笔记（深入）”；
原数组：
<?php Array( [0] => sdfdsdsdsfrrrrrrr [1] => fdsfdsdsfds [2] => fdsfdsdsfdsds [3] => fdsdsfdsfds [4] => [5] => [6] => [7] => fdsfdsfdsfds [8] => fdsfdsfdsfdsfdsfsd [9] => ssssssss [10] => [11] => sssssssssssssssssssss) ?>
处理之后数组
<?php Array( [0] => sdfdsdsdsfrrrrrrr [1] => fdsfdsdsfds [2] => fdsfdsdsfdsds [3] => fdsdsfdsfds [7] => fdsfdsfdsfds [8] => fdsfdsfdsfdsfdsfsd [9] => ssssssss [11] => sssssssssssssssssssss) ?>
使用方法：
<?php
function myfunction($v) {
if ($v != "") {
return true;
}
return false;
}
print_r(array_filter($urlArr, "myfunction"));
?>去除空元素方法二：（键值自增）
原数组：
<?php Array ( [0] => sdfdsdsdsfrrrrrrr [1] => fdsfdsdsfds [2] => fdsfdsdsfdsds [3] => fdsdsfdsfds [4] => [5] => [6] => [7] => fdsfdsfdsfds [8] => fdsfdsfdsfdsfdsfsd [9] => ssssssss [10] => [11] => sssssssssssssssssssss )
处理之后数组：
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;
}推荐学习：《PHP视频教程》
以上就是php怎么去掉数组中的空元素的详细内容，更多请关注php中文网其它相关文章！
PHP怎么学习？PHP怎么入门？PHP在哪学？PHP怎么学才快？不用担心，这里为大家提供了PHP速学教程(入门到精通)，有需要的小伙伴保存下载就能学习啦！
广告Copyright 2014-2025 https://www.php.cn/ All Rights Reserved | php.cn | 湘ICP备2023035733号
1120
收藏
