(PHP 4, PHP 5, PHP 7) Get the index of the specified color or its closest possible alternative

(PHP 4, PHP 5, PHP 7) Draw a string vertically

(PHP 4 >= 4.0.6, PHP 5, PHP 7) Draw a filled ellipse

(PHP 4 >= 4.0.1, PHP 5, PHP 7) Copy and merge part of an image

(PHP 4, PHP 5, PHP 7) Get font width int imagefontwidth

(PHP 4, PHP 5, PHP 7) Draw a filled polygon bool

(PHP 4 >= 4.3.2, PHP 5, PHP 7) Finds whether an image is a truecolor image

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

(PHP 4, PHP 5, PHP 7) Set a single pixel bool

(PHP 4, PHP 5, PHP 7) Get image width int imagesx