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

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

(PHP 4, PHP 5) Change the character encoding vector of a font

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

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

(PHP 4, PHP 5) Draws a text over an image using PostScript Type1 fonts

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

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

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

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