Home  >  Article  >  Backend Development  >  Code examples of several ways to obtain file name suffix in PHP

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

高洛峰
高洛峰Original
2016-10-20 14:16:401085browse

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);


Statement:
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