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How to generate image thumbnails in php, _PHP tutorial

WBOY
WBOYOriginal
2016-07-13 09:57:37839browse

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);
}

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

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