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

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

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

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Get Mime-Type for image-type returned by getimagesize, exif_read_data, exif_thumbnail

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Makes the colors of the palette version of an image more closely match the

(PHP 4, PHP 5, PHP 7) Find out the number of colors in an image's palette

(PHP 4, PHP 5, PHP 7) Allocate a color for an image

(PHP 4 >= 4.0.6, PHP 5, PHP 7) Set the blending mode for an image

(PHP 4 >= 4.0.7, PHP 5, PHP 7) Create a new image from a given part of GD2 file or URL

(PHP 5 >= 5.5.0, PHP 7) Crop an image using the given coordinates and size, x, y, width and height