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imagecolorclosest()

imagecolorclosest - Get the index of the closest color to the specified color

Syntax

int imagecolorclosest (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 color in the palette of the image which is "closest" to the specified RGBvalue.

Version

PHP 4, 5

Return value

Returns the index of the closest color, in the palette of the image, to the specified one