(PHP 5 >= 5.5.0, PHP 7) Return an image containing the affine transformed src image, using an optional clipping

(PHP 4 >= 4.0.7, PHP 5, PHP 7) Output GD2 image to browser or file

(PHP 5, PHP 7) Output an XBM image to browser or file

(PHP 5, PHP 7) Get file extension for image type

(PHP 4 >= 4.0.6, PHP 5, PHP 7) Set the thickness for line drawing

(PHP 4 >= 4.0.6, PHP 5, PHP 7) Copy and resize part of an image with resampling

(PHP 4 >= 4.0.7, PHP 5, PHP 7) Output GD image to browser or file

(PHP 4 >= 4.0.6, PHP 5, PHP 7) Copy and merge part of an image with gray scale

(PHP 4, PHP 5, PHP 7) Create a new palette based image

(PHP 5 >= 5.2.2, PHP 7) Captures a window