Function to convert an hexadecimal to rgb value
February 16th, 2007
Params:$hex: Hexadecimal value
Return:Array with the decimal value for red, gren and blue.
function hexToRgb($hex)
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{
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//Delete the # char (if exist)
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if (0 === strpos($hex, '#')) {
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$hex = substr($hex, 1);
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} else if (0 === strpos($hex, '&H')) {
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$hex = substr($hex, 2);
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}
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//get the 3 hex values
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$cutpoint = ceil(strlen($hex) / 2)-1;
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$rgb = explode(':', wordwrap($hex, $cutpoint, ':', $cutpoint), 3);
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//Convert to decimal
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$rgb[0] = (isset($rgb[0]) ? hexdec($rgb[0]) : 0);
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$rgb[1] = (isset($rgb[1]) ? hexdec($rgb[1]) : 0);
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$rgb[2] = (isset($rgb[2]) ? hexdec($rgb[2]) : 0);
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return $rgb;
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}
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