Switch法：
<?php
switch ($_SERVER['HTTP_HOST'])
{
case 'a.com':
$logo = 'a.png';
$title = 'a.com';
break;
case 'b.net':
$logo = 'b.jpg';
$title = 'b.net';
break;
default:
$logo = 'c.png';
$title = 'c.com';
}
echo "$logo <hr> $title";IF法：
<?php
$domain = $_SERVER['HTTP_HOST'];
if($domain == '域名a.com'){
$logo = 'a.png';
$title = 'a.com';
}
if($domain == '域名b.net')
{
$logo = 'b.jpg';
$title = 'b.net.';
}else{
$logo = 'c.png';
$title = 'c.com';
}
echo "$logo <hr> $title";
?>其它
$domain = $_SERVER['HTTP_HOST']; $tmp = [ "domain1" => [ "logo" => "logofile", "title" => "content", ], ]; $title = $tmp[$domain]['title']; $logo = $tmp[$domain]['logo'];
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