9 ways to get file suffix in php, _PHP tutorial

9 ways to get file suffix in php,

The examples in this article share 9 ways to get file suffix in php for your reference, the specific content is as follows

<&#63;php
/**
 * Created by PhpStorm.
 * User: liuft
 * Date: 2016/3/7
 * Time: 15:46
 */
 
//第一种
// function get_extension($file)
// {
// $file = explode('.', $file);
//   return end($file);
// }
//第二种
 
// function get_extension($file)
// {
//   return substr(strrchr($file, '.'), 1);
// }
 
 
//第三种
// function get_extension($file){
// return pathinfo($file)['extension'];
// }
// 
 
 
//第四种
//function get_extension($file)
//{
//  return substr($file, strrpos($file, '.') + 1);
//}
 
//第五种
//function get_extension($file)
//{
// $file = preg_split('/\./', $file);
//  return end($file);
//}
 
 
//第六种
// function  get_extension($file){
// $file = strrev($file);
//   return strrev(substr($file,0,strpos($file,'.')));
// }
//
 
//第七种
// function get_extension($file)
// {
//   return pathinfo($file, PATHINFO_EXTENSION);
// }
// 
//第八种
// function get_extension($file)
// {
//   preg_match_all('/\.[a-zA-Z0-9]+/',$file,$data);
//   return !empty($data[0])&#63;substr(end($data[0]),1):'';
// }
 
 
//第九种
// function get_extension($file){
//   return str_replace('.','',strrchr($file,'.'));
// }
 
 
//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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