Home > Backend Development > PHP Problem > How to remove the last comma in php

How to remove the last comma in php

藏色散人
Release: 2023-03-08 15:50:01
Original
3863 people have browsed it

php删除最后一个逗号的方法:首先创建一个PHP示例文件;然后定义一个末尾带有逗号的字符串;最后通过“rtrim($str, ",");”方法删除最后一个逗号即可。

How to remove the last comma in php

本文操作环境:windows7系统、PHP7.1版,DELL G3电脑

去除最后一个逗号:

$str = "a,b,c,d,";
echo rtrim($str, ",");
Copy after login

返回的结果就是:

a,b,c,d
Copy after login

rtrim() 函数

rtrim() 函数移除字符串右侧的空白字符或其他预定义字符。

相关函数:

ltrim() - 移除字符串左侧的空白字符或其他预定义字符

trim() - 移除字符串两侧的空白字符或其他预定义字符

语法

rtrim(string,charlist)
Copy after login

参数

string 必需。规定要检查的字符串。

charlist

可选。规定从字符串中删除哪些字符。如果省略,则移除下列所有字符:

"\0" - NULL
"\t" - 制表符
"\n" - 换行
"\x0B" - 垂直制表符
"\r" - 回车
" " - 空格
Copy after login

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

Related labels:
php
source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template