Home > Backend Development > PHP Tutorial > How to generate image thumbnails in php, _PHP tutorial

How to generate image thumbnails in php, _PHP tutorial

WBOY
Release: 2016-07-13 09:57:37
Original
842 people have browsed it

How to generate image thumbnails in php,

The example in this article describes the method of generating image thumbnails in php. Share it with everyone for your reference. The details are as follows:

GD2 library is needed here

function make_thumb($src,$dest,$desired_width)
{
 
  /* read the source image */
  $source_image = imagecreatefromjpeg($src);
  $width = imagesx($source_image);
  $height = imagesy($source_image);
  /* find the "desired height" of this thumbnail, relative to the desired width */
  $desired_height = floor($height*($desired_width/$width));
  /* create a new, "virtual" image */
  $virtual_image = imagecreatetruecolor($desired_width,$desired_height);
  /* copy source image at a resized size */
  imagecopyresized($virtual_image,$source_image,0,0,0,0,$desired_width,$desired_height,$width,$height);
  /* create the physical thumbnail image to its destination */
  imagejpeg($virtual_image,$dest, 83);
}
Copy after login

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

www.bkjia.comtruehttp: //www.bkjia.com/PHPjc/980224.htmlTechArticleHow to generate image thumbnails in php. This article describes the method of generating image thumbnails in php. Share it with everyone for your reference. The details are as follows: GD2 library functio needs to be used here...
Related labels:
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