imagecolorexactalpha()

imagecolorexactalpha - Get the index of the specified color + alpha

Syntax

int imagecolorexactalpha (resource $image, int $red, int $green, int $blue, int $alpha)

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.
• alpha - A value between 0and 127. 0indicates completely opaque while 127indicates completely transparent.

Description

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

Version

PHP 4.0.6, 5

Return value

Returns the index of the specified color+alpha in the palette of the image, or -1 if the color does not exist in the image's palette.