note 91753 deleted from function.hexdec by danbrown
| From: | danbrown@php.net | Date: | Wed, 24 Jun 2009 17:18:53 +0000 |
| Subject: | note 91753 deleted from function.hexdec by danbrown | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-157428@lists.php.net to get a copy of this message | ||
Note Submitter: Rodrigo Gregrio
----
passe valores HEX para RGB
útil para passar cores utilizadas na css em HEX para RGB
utilização
echo hex2rgb('FFFFFF');// saÃda 255,255,255
echo hex2rgb('FFFFFF','rgb');// saÃda array(r=>255,g=>255,b=>255)
function hex2rgb($hex, $rgb) {
$int = hexdec($hex);
switch($rgb) {
case "r":
return 0xFF & $int >> 0x10;
break;
case "g":
return 0xFF & ($int >> 0x8);
break;
case "b":
return 0xFF & $int;
break;
case "rgb":
return array(
"r" => 0xFF & $int >> 0x10,
"g" => 0xFF & ($int >> 0x8),
"b" => 0xFF & $int
);
break;
default:
$_rgb .= 0xFF & $int >> 0x10;
$_rgb .= ',';
$_rgb .= 0xFF & ($int >> 0x8);
$_rgb .= ',';
$_rgb .= 0xFF & $int;
return $_rgb;
break;
}
}