php颜色转换函数hex-rgb(将十六进制格式转成十进制格式)

<div class="codetitle"><a style="CURSOR: pointer" data="15320" class="copybut" id="copybut15320" onclick="doCopy('code15320')"> 代码如下:<div class="codebody" id="code15320">
<?php
function hex2rgb($colour) {
if ($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 ( $r,$b ) = array ($colour [0] . $colour [0],$colour [1] . $colour [1],$colour [2] . $colour [2] );
} else {
return false;
}
$r = hexdec ( $r );
$g = hexdec ( $g );
$b = hexdec ( $b );
return array ('red' => $r,'green' => $g,'blue' => $b );
}
$b = hex2rgb ( "#ff0" );
print_r ( $b );
?>

（编辑：李大同）

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