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 => $val) {...}”方法去掉数组中的空元素。
本文操作环境：windows7系统、php7.1版，dell g3电脑
php怎么去掉数组中的空元素？
php数组去除空元素的方法
去除空元素方法一：（保持键值不变）
原数组：
<?phparray( [0] => sdfdsdsdsfrrrrrrr [1] => fdsfdsdsfds [2] => fdsfdsdsfdsds [3] => fdsdsfdsfds [4] => [5] => [6] => [7] => fdsfdsfdsfds [8] => fdsfdsfdsfdsfdsfsd [9] => ssssssss [10] => [11] => sssssssssssssssssssss) ?>
处理之后数组
<?phparray( [0] => sdfdsdsdsfrrrrrrr [1] => fdsfdsdsfds[2] => fdsfdsdsfdsds [3] => fdsdsfdsfds [7] => fdsfdsfdsfds [8] => fdsfdsfdsfdsfdsfsd [9] => ssssssss [11] => sssssssssssssssssssss)?>
使用方法：
<?phpfunction myfunction($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：
<?phparray([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; }
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以上就是php怎么去掉数组中的空元素的详细内容。