How to remove all spaces in php
php去掉所有的空格的方法是,使用正则表达式来实现,例如【preg_replace('# #','',$goodid)】。preg_replace函数会执行一个正则表达式的搜索和替换。
本文操作环境:windows10系统、php 7.3、thinkpad t480电脑。
在php中如果我们要去掉字符串中所有的空格,最快捷有效的方式就是使用正则表达式。下面我们就来一起看下。
preg_replace 函数执行一个正则表达式的搜索和替换。
举个小例子:
<?php $string = 'google 123, 456'; $pattern = '/(\w+) (\d+), (\d+)/i'; $replacement = 'phpphp ${2},$3'; echo preg_replace($pattern, $replacement, $string); ?>
运行结果:
phpphp 123,456
下面我们使用正则匹配去除所有的空格
preg_replace('# #','',$goodid)
相关视频教程分享:php视频教程
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