(PHP 4, PHP 5, PHP 7) Copy and resize part of an image

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Retrieve information about the currently installed GD library

(PHP 4, PHP 5, PHP 7) Flood fill bool imagefill

(PHP 4, PHP 5, PHP 7) Draw a line bool imageline

(PHP 4, PHP 5, PHP 7) Create a new image from file or URL

(PHP 4, PHP 5, PHP 7) Get the index of the closest color to the specified color

(PHP 4 >= 4.0.5, PHP 5, PHP 7) Convert PNG image file to WBMP image file

(PHP 4 >= 4.0.1, PHP 5, PHP 7) Create a new image from file or URL

(PHP 4, PHP 5, PHP 7) Get the colors for an index

(PHP 4, PHP 5, PHP 7) Draws an arc bool imagearc