9 ways to get file suffix in php (Collection)

This article mainly introduces 9 methods of obtaining file suffix in PHP in detail. It has certain practical value. Interested friends can refer to it.

The examples in this article share 9 methods with you. The method of obtaining the file suffix in php is for your reference. The specific content is as follows

<?php
/**
 * Created by PhpStorm.
 * User: liuft
 * Date: 2016/3/7
 * Time: 15:46
 */
 
//第一种
// function get_extension($file)
// {
// $file = explode(&#39;.&#39;, $file);
//   return end($file);
// }
//第二种
 
// function get_extension($file)
// {
//   return substr(strrchr($file, &#39;.&#39;), 1);
// }
 
 
//第三种
// function get_extension($file){
// return pathinfo($file)[&#39;extension&#39;];
// }
// 
 
 
//第四种
//function get_extension($file)
//{
//  return substr($file, strrpos($file, &#39;.&#39;) + 1);
//}
 
//第五种
//function get_extension($file)
//{
// $file = preg_split(&#39;/\./&#39;, $file);
//  return end($file);
//}
 
 
//第六种
// function  get_extension($file){
// $file = strrev($file);
//   return strrev(substr($file,0,strpos($file,&#39;.&#39;)));
// }
//
 
//第七种
// function get_extension($file)
// {
//   return pathinfo($file, PATHINFO_EXTENSION);
// }
// 
//第八种
// function get_extension($file)
// {
//   preg_match_all(&#39;/\.[a-zA-Z0-9]+/&#39;,$file,$data);
//   return !empty($data[0])?substr(end($data[0]),1):&#39;&#39;;
// }
 
 
//第九种
// function get_extension($file){
//   return str_replace(&#39;.&#39;,&#39;&#39;,strrchr($file,&#39;.&#39;));
// }
 
 
//暂时想这么多，以后想起来再补充
 
$file = "http://10.31.63.8:8081/M00/00/09/Ch8_CFaaMLqAO87JAACePvS0ZRk.webp";
 
$data = get_extension($file);
 
var_export($data);

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