What are the image processing functions of PHP

This article mainly introduces "what are the image processing functions of PHP". In daily operation, I believe that many people have doubts about the image processing functions of PHP. The editor consulted all kinds of materials and sorted out simple and easy-to-use methods of operation. I hope it will be helpful for you to answer the doubts of "what are the image processing functions of PHP?" Next, please follow the editor to study!

PHP provides a wealth of image processing functions, including:

Function description gd_info () gets the information of the currently installed GD library getimagesize () gets image information getimagesizefromstring () gets image information image_type_to_extension () gets image suffix image_type_to_mime_type () returns the MIME type of image image2wbmp () output WBMP picture imageaffine () returns the image imageaffinematrixconcat () after affine transformation connects two matrices imageaffinematrixget () to set the image Whether the color mixing mode imageantialias () uses the anti-aliasing function imagearc () to draw an elliptical arc imagechar () writes the horizontal character imagecharup () vertically draws a character imagecolorallocate () assigns color and transparency to an image imagecolorallocatealpha () assigns color and transparency to an image imagecolorat () gets the color index value of a pixel imagecolorclosest () gets the index value of the color closest to the specified color imagecolorclosestalpha () gets the index value of the color closest to the specified color Add the index imagecolorclosesthwb () of the color closest to transparency to get the index imagesx () of black and white that is closest to the specified color. Imagesy () gets the width and height of the image to this The study of "what are the image processing functions of PHP" is over. I hope to be able to solve your doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!