Color-retrieval functions could be combined into a custom function : imagecolorexact « Graphics Image « PHP

1. PHP
2. Graphics Image
3. imagecolorexact

Color-retrieval functions could be combined into a custom function

 
<?php
    function getcolor($img, $red, $green, $blue) {
        $color = imagecolorexact($img, $red, $green, $blue);
        if($color == -1) {
            $color = imagecolorallocate($img, $red, $green, $blue);
            if($color == -1) {
                $color = imagecolorclosest($img, $red, $green, $blue);
            }
        }
        return $color;
    }
?>
  
  

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