简化服务器输出

src/admin/templets/index_body.htm

@@ -79,7 +79,7 @@
 								<td width="20%">
 									<div class="web-info">
 										<p>WEB服务器</p>
-										<span><?php echo $_SERVER['SERVER_SOFTWARE'];?></span>
+										<span><?php echo GetSimpleServerSoftware();?></span>
 									</div>
 								</td>
 								<td width="20%">

src/system/common.func.php

@@ -390,6 +390,22 @@ function TableHasField($tablename,$field)
     }
     return false;
 }
+function GetSimpleServerSoftware()
+{
+    if (preg_match("#^php#i",$_SERVER["SERVER_SOFTWARE"])) {
+        return 'PHP Server';
+    } else if(preg_match("#^apache#i",$_SERVER["SERVER_SOFTWARE"])){
+        return 'Apache';
+    } else if(preg_match("#^nginx#i",$_SERVER["SERVER_SOFTWARE"])){
+        return 'Nginx';
+    } else if(preg_match("#^microsoft-iis#i",$_SERVER["SERVER_SOFTWARE"])){
+        return 'IIS';
+    } else if(preg_match("#^caddy#i",$_SERVER["SERVER_SOFTWARE"])){
+        return 'Caddy';
+    } else {
+        return 'Other';
+    }
+}
 /**
  *  获取验证码的session值
  *