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

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

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

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

(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 merge part of an image with gray scale

(PHP 4, PHP 5) Extend or condense a font bool

(PHP 4, PHP 5) Slant a font bool imagepsslantfont

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

(PHP 4, PHP 5, PHP 7) Get the size of an image