How to remove full-width spaces in php-PHP Problem-php.cn

How to remove full-width spaces in php: First create a PHP sample file; then use the "function myTrim($str){...}" method to remove full-width spaces.

How to remove full-width spaces in php

## The operating environment of this article: Windows 7 system, PHP version 7.1 , Dell G3 computer.

How to remove full-width spaces in php?

php common methods for removing empty characters and spaces, full-width spaces, line breaks, etc. in strings

- Filter spaces, full-width spaces, line breaks
- Use regular preg_replace function

Function to remove string spaces

trim() – Removes null characters from both ends of the string

ltrim() – Removes null characters from the front of the string
rtrim() – Removes null characters from the end of the string
chop() – Same as rtrim( ).

"; print("rightTrimmed = ($rightTrimmed)"); echo "
"; print("bothTrimmed = ($bothTrimmed)"); echo "
"; ?>

Copy after login

Output results

How to remove full-width spaces in php

Filter spaces, full-width spaces, line breaks

function myTrim($str) { $search = array(" ","　","\n","\r","\t"); $replace = array("","","","",""); return str_replace($search, $replace, $str); } echo '当前字符串内容：'.$str = 'www.qipa250.com QIPA250 奇葩天地网 qipa250.com'; echo "
"; echo '过滤后的字符串内容：'.myTrim($str); echo "
";

Copy after login

The results are as follows:

How to remove full-width spaces in php

Use the regular preg_replace function

echo preg_replace('# #', '', 'ab ab'); //输出 "abab"

Copy after login

Recommended study: "

PHP Video Tutorial"

The above is the detailed content of How to remove full-width spaces in php. For more information, please follow other related articles on the PHP Chinese website!