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php functions convert hex to rgb and rgb to hex
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function hex2rgb($hex) { | |
$hex = str_replace("#", "", $hex); | |
if(strlen($hex) == 3) { | |
$r = hexdec(substr($hex,0,1).substr($hex,0,1)); | |
$g = hexdec(substr($hex,1,1).substr($hex,1,1)); | |
$b = hexdec(substr($hex,2,1).substr($hex,2,1)); | |
} else { | |
$r = hexdec(substr($hex,0,2)); | |
$g = hexdec(substr($hex,2,2)); | |
$b = hexdec(substr($hex,4,2)); | |
} | |
$rgb = array($r, $g, $b); | |
//return implode(",", $rgb); // returns the rgb values separated by commas | |
return $rgb; // returns an array with the rgb values | |
} | |
function rgb2hex($rgb) { | |
$hex = "#"; | |
$hex .= str_pad(dechex($rgb[0]), 2, "0", STR_PAD_LEFT); | |
$hex .= str_pad(dechex($rgb[1]), 2, "0", STR_PAD_LEFT); | |
$hex .= str_pad(dechex($rgb[2]), 2, "0", STR_PAD_LEFT); | |
return $hex; // returns the hex value including the number sign (#) | |
} |
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