复制代码 代码如下:
$r,
            'green' => $g,
            'blue' => $b
    );
}
function rgbtohex($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 = #;
    $hex = array (
            '0',
            '1',
            '2',
            '3',
            '4',
            '5',
            '6',
            '7',
            '8',
            '9',
            'a',
            'b',
            'c',
            'd',
            'e',
            'f'
    );
    for($i = 0; $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 = implode ( '', $ret );
        $item = str_pad ( $item, 2, '0', str_pad_left );
        $hexcolor .= $item;
    }
    return $hexcolor;
}
?>
http://www.bkjia.com/phpjc/326971.htmlwww.bkjia.comtruehttp://www.bkjia.com/phpjc/326971.htmltecharticle复制代码 代码如下: ?php echo implode ( ,, hextorgb ( #f7f7da ) ) . br/; echo rgbtohex ( rgb(247,247,218) )? ?php function hextorgb($colour) { if ($colour [0] == '#'...