PHP の 16 進 RGB カラー値の使用 interchange_PHP チュートリアル

复制代码代码如下:

echo implode ( ",", HexToRGB ( "#F7F7DA" ) ) 。 "
";
echo RGBToHex ( "rgb(247,247,218)" )?>

function HexToRGB($colour) {
if ($colour [0] == '#') {
$colour = substr ( $colour, 1 );
}
if (strlen ( $colour ) == 6) {
list ( $r, $g, $b ) = array (
$colour [0] . $colour [1],
$colour [2] . $colour [3],
$colour [4] . $colour [5]
);
} elseif (strlen ( $colour ) == 3) {
list ( $r, $g, $b ) = array (
$colour [0] . $colour [0],
$ color [1] . $colour [1] . $colour [2]
);
} else {
return false;
}
$r = hexdec ( $r );
$g = hexdec（$ g）;
$ b = hexdec（$ b）; );
}
function RGBToHex($rgb) {
$regexp = "/^rgb(([0-9]{0,3}),s*([0-9]{0,3}),s *([0-9]{0,3}))/";
$re = preg_match ( $regexp, $rgb, $match );
$re = array_shift ( $match );
$hexColor = "#" ;
$hex = 配列 (
'0',
'1',
'2',
'3',
'4',
'5'、
'6'、
'7'、
'8 ',
'9',
'A',
'B',
'C',
'D',
'E'、
'F'
);
for($i = 0; $i <; 3; $i ++) {
$r = null;
$c = $match [$i];
$hexAr = array ();

while ( $c > 16 ) {
$r = $c % 16 ;
$c = ($c / 16) >> 0;
array_push ( $hexAr, $hex [$r] );
}
array_push ( $hexAr, $hex [$c] );

$ret = array_reverse ( $hexAr );
$item = 爆破 ( ' ', $ret );
$item = str_pad ( $item, 2, '0', STR_PAD_LEFT );
$hexColor .= $item;
}
return $hexColor;
}
?>

http://www.bkjia.com/PHPjc/326971.htmlwww.bkjia.comtru​​ehttp://www.bkjia.com/PHPjc/326971.html技術記事次のようにコードをコピーします: ?php echo implode ( ",", HexToRGB ( "#F7F7DA" ) ) ; echo RGBToHex ( "rgb(247,247,218)" )? ( $colour [0] == '#'...