imagecolorexact()

imagecolorexact - Get the index of the specified color

Syntax

int imagecolorexact (resource $image, int $red, int $green, int $blue)

Arguments

• image - An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().
• red - Value of red component.
• green - Value of green component.
• blue - Value of blue component.

Description

Returns the index of the specified color in the palette of the image.

Version

PHP 4, 5

Return value

Returns the index of the specified color in the palette, or -1 if the color does not exist.