» google_pagerank()
  » preg_replace()
  » imagecreatefrompng()
  » site_pageranks()
  » imagepng()
  » imagedestroy()
  » imagestring()
  » imagecolorallocate()
  » htmlentities()
  » fopen()
  » preg_match()
  » header()
  » getimagesize()
  » htmlspecialchars()
  » ob_start()
  » session_start()
  » strstr()
  » ob_flush()
  » preg_match_all()
  » strpos()
  » setcookie()
  » flush()
  » str_replace()
  » array2vars()
  » nl2br()
  » preg_split()
  » ereg()
  » urlencode()
  » ereg_replace()
  » readgzfile()

Become a sponsor for $15/month. Link is sitewide - PR5 homepage, 20+ PR4 pages, 90+ PR3 pages. Email dave[AT]icemelon[D0T]c0m.

(PHP 3 >= 3.0.2, PHP 4, PHP 5)

imagecolorresolve --  Get the index of the specified color or its closest possible alternative

Description

int imagecolorresolve ( resource image, int red, int green, int blue )

This function is guaranteed to return a color index for a requested color, either the exact color or the closest possible alternative.

If you created the image from a file, only colors used in the image are resolved. Colors present only in the pallete are not resolved.

Related Function(s)

imagecolorclosest()