Community Learn Tools Library Leisure

English

Home > Backend Development > PHP Tutorial > A simple way to get the file extension in php, _PHP tutorial

A simple way to get the file extension in php, _PHP tutorial

WBOY

Release： 2016-07-13 10:01:07

Original

859 people have browsed it

How to simply obtain the file extension in php,

The example in this article describes the simple method of obtaining the file extension in php. Share it with everyone for your reference. The specific implementation method is as follows:

<&#63;php
 function get_file_extension($file_name)
 {
  /* may contain multiple dots */
  $string_parts = explode('.', $file_name);
  $extension = $string_parts[count($string_parts) - 1];
  $extension = strtolower($extension);
  return $extension;
 }
 $str="img.jpg";
 echo get_file_extension($str);//输出：jpg
&#63;>

Copy after login

I hope this article will be helpful to everyone’s PHP programming design.

Related labels：

php extension name document

source：php.cn

Previous article：How to force image download in php by modifying header, _PHP tutorial Next article：PHP implements the Luhn algorithm to verify whether the credit card number is valid, luhn algorithm_PHP tutorial

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

Latest Articles by Author