(PHP 4 >= 4.0.7, PHP 5, PHP 7) Give the bounding box of a text using fonts via freetype2

(PHP 4 >= 4.0.6, PHP 5, PHP 7) Get the index of the specified color + alpha or its closest possible alternative

(PHP 4, PHP 5, PHP 7) Draw a character horizontally

(PHP 4, PHP 5, PHP 7) Set the color for the specified palette index

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

(PHP 5 >= 5.5.0, PHP 7) Crop an image automatically using one of the available modes

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

(PHP 5 >= 5.5.0, PHP 7) Converts a palette based image to true color

(PHP 4, PHP 5, PHP 7) Draw a filled rectangle

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