The following approach is a method:
if (!function_exists (' imagecreate ')) {
Die (' This server does not support GD module ');
}
How do I configure it if not supported? Download the DLL file of GD module, modify the php.ini, restart the
The following approach is one way:
if (!function_exists (' imagecreate ')) {
Die (' This server does not support GD module ');
}
If not, how do I configure it? Download the GD module DLL file, modify the php.ini, restart the server.
the following
This article mainly introduced the PHP implementation of the custom Image Center clipping function, combined with an example of PHP for image acquisition, calculation, cutting, saving and other related operations skills, the need for friends can
PHP uses the Imagick module to scale, crop, compress pictures including GIF images
Zoom crop
Copy CodeThe code is as follows:/*** Picture Clipping* Cropping rules:* 1. Height is empty or zero by width scaling height adaptive* 2. Width is empty or
This paper describes the custom Image Center clipping function implemented by PHP. Share to everyone for your reference, as follows:
The general idea of Image center cut:
1. First zoom the image so that the scaled image can cover the cut area
After uploading an image in php, the image is automatically cropped to a thumbnail with no width or height. After uploading an image in the php Tutorial, the image will be automatically cropped to a thumbnail. what is the width and height? Php $ Id:
The general idea of Image center cut:1. First zoom the image so that the scaled image can cover the cut area exactly. (imagecopyresampled― resample Copy part of image and resize)2. Place the zoomed image in the middle of the clipping area. (Part of
1 Use of the GD library in PHP
PHP is not limited to producing only HTML output, but it can also create and manipulate image files in many different formats. PHP provides some built-in image information functions, or you can use the GD library to
: This article mainly introduces dynamic image processing-php (34). For more information about PHP tutorials, see. 1 Use of GD Library in PHP
PHP can not only generate HTML output, but also create and operate image files of different formats. PHP
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