Php method for generating image thumbnails, _php tutorial

How PHP generates thumbnails of pictures,

The example in this article describes how PHP generates image thumbnails. Share to everyone for your reference. Specific as follows:

We need to use the GD2 library 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 * ($des ired_width/$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 is helpful to everyone's PHP programming.

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