Code examples of several ways to obtain file name suffix in PHP

高洛峰
Release: 2016-10-20 14:16:40
Original
1109 people have browsed it

Record several methods of obtaining file name suffix that are often used in php

<?php
header("Content-type:text/html;charset=utf-8");
$pic= "abc.jpg"; // 图片名称

//第一种方法
$pics = explode(&#39;.&#39;,$pic);
$num  = count($pics);
echo $pics[$num-1]."<br />";

//第二种方法
$pics = explode(&#39;.&#39;,$pic);
echo end($pics)."<br />";
//end()方法,获取数组最后一个单元值

//第三种方法
$info = pathinfo($pic);
echo $info[&#39;extension&#39;]."<br />";

//第四种方法
echo pathinfo($pic,PATHINFO_EXTENSION)."<br />";

//第五种方法
$offset = strrpos($pic,&#39;.&#39;);
//计算指定字符串在目标字符串中最后一次出现的位置
echo substr($pic,$offset+1);
Copy after login


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
About us Disclaimer Sitemap
php.cn:Public welfare online PHP training,Help PHP learners grow quickly!