Basic phpgd Library knowledge

Basic phpgd Library knowledge

Echo phpinfo (); ?> Save, open phpinfo. php in the browser, search for 'gd ', and check whether the following items exist: If yes, the system supports the GD Library. If no, recompile PHP to support the GD Library. 3. the GD library of image formats supported by GD does not support all image formats by default. based on the information of the figure above, we can see which formats of images are supported by the GD library of the system, JPG Support indicates that JPG format is supported, and it is not supported if it is not listed. IV. GD function classification GD function I think it can be divided into 6 categories: 1. obtain information 2. create image 3. draw Image 4. copy 5. output 6. destroy >>> Articles you may be interested in: php GD Library verification code generation instance php GD library Chinese garbled solution php verification code (GD Library generation verification code) in Linux, the php gd Library is enabled, and the GD Library is enabled in php (in windows) how to enable php gd Library in windows linux yum install php gd Library full process php5 install GD library steps share linux add GD Library installation steps php add GD library support steps php gd library functions (favorites)