wordpress插件开发学习笔记：一个简单的客户端信息获取插件

最近想自己写一个简单点的wordpress插件，促进自己学习php和wordpress的开发，翻了很多资料，最后总算凑成了一个插件，就是现在作者右边侧边栏的天气预报插件，截图如下：

这里把源码贴出来，以备查看：

<?php
/*
Plugin Name: weather plugin  
Plugin URI:  http://116.62.110.235/blog/
Description: 显示来访者的IP，浏览器版本，操作系统版本，天气等信息  
Version: 1.0  
Author: cstriker1407@yeah.net
Author URI: http://116.62.110.235/blog/
License: GPL  
*/ 

function CID_windows_detect_os($ua) {
		$os_name = $os_code = $os_ver = $pda_name = $pda_code = $pda_ver = null;
	
		if (preg_match('/Windows 95/i', $ua) || preg_match('/Win95/', $ua)) {
			$os_name = "Windows";
			$os_code = "windows";
			$os_ver = "95";
		} elseif (preg_match('/Windows NT 5.0/i', $ua) || preg_match('/Windows 2000/i', $ua)) {
			$os_name = "Windows";
			$os_code = "windows";
			$os_ver = "2000";
		} elseif (preg_match('/Win 9x 4.90/i', $ua) || preg_match('/Windows ME/i', $ua)) {
			$os_name = "Windows";
			$os_code = "windows";
			$os_ver = "ME";
		} elseif (preg_match('/Windows.98/i', $ua) || preg_match('/Win98/i', $ua)) {
			$os_name = "Windows";
			$os_code = "windows";
			$os_ver = "98";
		} elseif (preg_match('/Windows NT 6.0/i', $ua)) {
			$os_name = "Windows";
			$os_code = "windows_vista";
			$os_ver = "Vista";
		} elseif (preg_match('/Windows NT 6.1/i', $ua)) {
			$os_name = "Windows";
			$os_code = "windows_win7";
			$os_ver = "7";
		} elseif (preg_match('/Windows NT 6.2/i', $ua)) {
			$os_name = "Windows";
			$os_code = "windows_win8";
			$os_ver = "8";
		} elseif (preg_match('/Windows NT 5.1/i', $ua)) {
			$os_name = "Windows";
			$os_code = "windows";
			$os_ver = "XP";
		} elseif (preg_match('/Windows NT 5.2/i', $ua)) {
			$os_name = "Windows";
			$os_code = "windows";
			if (preg_match('/Win64/i', $ua)) {
				$os_ver = "XP 64 bit";
			} else {
				$os_ver = "Server 2003";
			}
		}
		elseif (preg_match('/Mac_PowerPC/i', $ua)) {
			$os_name = "Mac OS";
			$os_code = "macos";
		}elseif (preg_match('/Windows Phone/i', $ua)) {
			$matches = explode(';',$ua);
			$os_name = $matches[2];
			$os_code = "windows_phone7";
		} elseif (preg_match('/Windows NT 4.0/i', $ua) || preg_match('/WinNT4.0/i', $ua)) {
			$os_name = "Windows";
			$os_code = "windows";
			$os_ver = "NT 4.0";
		} elseif (preg_match('/Windows NT/i', $ua) || preg_match('/WinNT/i', $ua)) {
			$os_name = "Windows";
			$os_code = "windows";
			$os_ver = "NT";
		} elseif (preg_match('/Windows CE/i', $ua)) {
			list($os_name, $os_code, $os_ver, $pda_name, $pda_code, $pda_ver) = CID_pda_detect_os($ua);
			$os_name = "Windows";
			$os_code = "windows";
			$os_ver = "CE";
			if (preg_match('/PPC/i', $ua)) {
				$os_name = "Microsoft PocketPC";
				$os_code = "windows";
				$os_ver = '';
			}
			if (preg_match('/smartphone/i', $ua)) {
				$os_name = "Microsoft Smartphone";
				$os_code = "windows";
				$os_ver = '';
			}
		} else{
			$os_name = 'Unknow Os';
			$os_code = 'other';
		}
	
		return array($os_name, $os_code, $os_ver, $pda_name, $pda_code, $pda_ver);
	}
	
	function CID_unix_detect_os($ua) {
		$os_name = $os_ver = $os_code = null;
		if (preg_match('/Linux/i', $ua)) {
			$os_name = "Linux";
			$os_code = "linux";
			if (preg_match('#Debian#i', $ua)) {
				$os_code = "debian";
				$os_name = "Debian GNU/Linux";
			} elseif (preg_match('#Mandrake#i', $ua)) {
				$os_code = "mandrake";
				$os_name = "Mandrake Linux";
			} elseif (preg_match('#Kindle Fire#i',$ua)) {//for Kindle Fire
				$matches = explode(';',$ua);
				$os_code = "kindle";
				$matches2 = explode(')',$matches[4]);
				$os_name = $matches[2].$matches2[0];
			} elseif (preg_match('#Android#i',$ua)) {//Android
				$matches = explode(';',$ua);
				$os_code = "android";
				$matches2 = explode(')',$matches[4]);
				$os_name = $matches[2].$matches2[0];
			} elseif (preg_match('#SuSE#i', $ua)) {
				$os_code = "suse";
				$os_name = "SuSE Linux";
			} elseif (preg_match('#Novell#i', $ua)) {
				$os_code = "novell";
				$os_name = "Novell Linux";
			} elseif (preg_match('#Ubuntu#i', $ua)) {
				$os_code = "ubuntu";
				$os_name = "Ubuntu Linux";
			} elseif (preg_match('#Red ?Hat#i', $ua)) {
				$os_code = "redhat";
				$os_name = "RedHat Linux";
			} elseif (preg_match('#Gentoo#i', $ua)) {
				$os_code = "gentoo";
				$os_name = "Gentoo Linux";
			} elseif (preg_match('#Fedora#i', $ua)) {
				$os_code = "fedora";
				$os_name = "Fedora Linux";
			} elseif (preg_match('#MEPIS#i', $ua)) {
				$os_name = "MEPIS Linux";
			} elseif (preg_match('#Knoppix#i', $ua)) {
				$os_name = "Knoppix Linux";
			} elseif (preg_match('#Slackware#i', $ua)) {
				$os_code = "slackware";
				$os_name = "Slackware Linux";
			} elseif (preg_match('#Xandros#i', $ua)) {
				$os_name = "Xandros Linux";
			} elseif (preg_match('#Kanotix#i', $ua)) {
				$os_name = "Kanotix Linux";
			}
		} elseif (preg_match('/FreeBSD/i', $ua)) {
			$os_name = "FreeBSD";
			$os_code = "freebsd";
		} elseif (preg_match('/NetBSD/i', $ua)) {
			$os_name = "NetBSD";
			$os_code = "netbsd";
		} elseif (preg_match('/OpenBSD/i', $ua)) {
			$os_name = "OpenBSD";
			$os_code = "openbsd";
		} elseif (preg_match('/IRIX/i', $ua)) {
			$os_name = "SGI IRIX";
			$os_code = "sgi";
		} elseif (preg_match('/SunOS/i', $ua)) {
			$os_name = "Solaris";
			$os_code = "sun";
		} elseif (preg_match('#iPod.*.CPU.([a-zA-Z0-9.( _)]+)#i', $ua, $matches)) {
			$os_name = "iPod";
			$os_code = "iphone";
			$os_ver = $matches[1];
		} elseif (preg_match('#iPhone.*.CPU.([a-zA-Z0-9.( _)]+)#i', $ua, $matches)) {
			$os_name = "iPhone";
			$os_code = "iphone";
			$os_ver = $matches[1];
		} elseif (preg_match('#iPad.*.CPU.([a-zA-Z0-9.( _)]+)#i', $ua, $matches)) {
			$os_name = "iPad";
			$os_code = "ipad";
			$os_ver = $matches[1];
		} elseif (preg_match('/Mac OS X.([0-9. _]+)/i', $ua, $matches)) {
			$os_name = "Mac OS";
			$os_code = "macos";
			if(count(explode(7,$matches[1]))>1) $matches[1] = 'Lion '.$matches[1];
			elseif(count(explode(8,$matches[1]))>1) $matches[1] = 'Mountain Lion '.$matches[1];
			$os_ver = "X ".$matches[1];
		} elseif (preg_match('/Macintosh/i', $ua)) {
			$os_name = "Mac OS";
			$os_code = "macos";
		} elseif (preg_match('/Unix/i', $ua)) {
			$os_name = "UNIX";
			$os_code = "unix";
		} elseif (preg_match('/CrOS/i', $ua)){
			$os_name="Google Chrome OS";
			$os_code="chromeos";
		} elseif (preg_match('/Fedor.([0-9. _]+)/i', $ua, $matches)){
			$os_name="Fedora";
			$os_code="fedora";
			$os_ver = $matches[1];
		} else{
			$os_name = 'Unknow Os';
			$os_code = 'other';
		}
		 
		return array($os_name, $os_code, $os_ver);
	}
	
	function CID_pda_detect_os($ua) {
		$os_name = $os_code = $os_ver = $pda_name = $pda_code = $pda_ver = null;
		if (preg_match('#PalmOS#i', $ua)) {
			$os_name = "Palm OS";
			$os_code = "palm";
		} elseif (preg_match('#Windows CE#i', $ua)) {
			$os_name = "Windows CE";
			$os_code = "windows";
		} elseif (preg_match('#QtEmbedded#i', $ua)) {
			$os_name = "Qtopia";
			$os_code = "linux";
		} elseif (preg_match('#Zaurus#i', $ua)) {
			$os_name = "Linux";
			$os_code = "linux";
		} elseif (preg_match('#Symbian#i', $ua)) {
			$os_name = "Symbian OS";
			$os_code = "symbian";
		} elseif (preg_match('#PalmOS/sony/model#i', $ua)) {
			$pda_name = "Sony Clie";
			$pda_code = "sony";
		} elseif (preg_match('#Zaurus ([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$pda_name = "Sharp Zaurus " . $matches[1];
			$pda_code = "zaurus";
			$pda_ver = $matches[1];
		} elseif (preg_match('#Series ([0-9]+)#i', $ua, $matches)) {
			$pda_name = "Series";
			$pda_code = "nokia";
			$pda_ver = $matches[1];
		} elseif (preg_match('#Nokia ([0-9]+)#i', $ua, $matches)) {
			$pda_name = "Nokia";
			$pda_code = "nokia";
			$pda_ver = $matches[1];
		} elseif (preg_match('#SIE-([a-zA-Z0-9]+)#i', $ua, $matches)) {
			$pda_name = "Siemens";
			$pda_code = "siemens";
			$pda_ver = $matches[1];
		} elseif (preg_match('#dopod([a-zA-Z0-9]+)#i', $ua, $matches)) {
			$pda_name = "Dopod";
			$pda_code = "dopod";
			$pda_ver = $matches[1];
		} elseif (preg_match('#o2 xda ([a-zA-Z0-9 ]+);#i', $ua, $matches)) {
			$pda_name = "O2 XDA";
			$pda_code = "o2";
			$pda_ver = $matches[1];
		} elseif (preg_match('#SEC-([a-zA-Z0-9]+)#i', $ua, $matches)) {
			$pda_name = "Samsung";
			$pda_code = "samsung";
			$pda_ver = $matches[1];
		} elseif (preg_match('#SonyEricsson ?([a-zA-Z0-9]+)#i', $ua, $matches)) {
			$pda_name = "SonyEricsson";
			$pda_code = "sonyericsson";
			$pda_ver = $matches[1];
		} elseif (preg_match('#Kindle\/([a-zA-Z0-9. ×\(.\)]+)#i',$ua, $matches)) {//for Kindle
			$pda_name = "kindle";
			$pda_code = "kindle";
			$pda_ver = $matches[1];
		} else {
			$pda_name = 'Unknow Os';
			$pda_code = 'other';
		}
		 
		return array($os_name, $os_code, $os_ver, $pda_name, $pda_code, $pda_ver);
	}
	
	function CID_detect_browser($ua) {
		$browser_name = $browser_code = $browser_ver = $os_name = $os_code = $os_ver = $pda_name = $pda_code = $pda_ver = null;
		$ua = preg_replace("/FunWebProducts/i", "", $ua);
		if (preg_match('#MovableType[ /]([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'MovableType';
			$browser_code = 'mt';
			$browser_ver = $matches[1];
		} elseif (preg_match('#WordPress[ /]([a-zA-Z0-9.]*)#i', $ua, $matches)) {
			$browser_name = 'WordPress';
			$browser_code = 'wp';
			$browser_ver = $matches[1];
		} elseif (preg_match('#typepad[ /]([a-zA-Z0-9.]*)#i', $ua, $matches)) {
			$browser_name = 'TypePad';
			$browser_code = 'typepad';
			$browser_ver = $matches[1];
		} elseif (preg_match('#drupal#i', $ua)) {
			$browser_name = 'Drupal';
			$browser_code = 'drupal';
			$browser_ver = count($matches) > 0 ? $matches[1] : "";
		} elseif (preg_match('#symbianos/([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$os_name = "SymbianOS";
			$os_ver = $matches[1];
			$os_code = 'symbian';
		} elseif (preg_match('#avantbrowser.com#i', $ua)) {
			$browser_name = 'Avant Browser';
			$browser_code = 'avantbrowser';
		} elseif (preg_match('#(Camino|Chimera)[ /]([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'Camino';
			$browser_code = 'camino';
			$browser_ver = $matches[2];
			$os_name = "Mac OS";
			$os_code = "macos";
			$os_ver = "X";
		} elseif (preg_match('#anonymouse#i', $ua, $matches)) {
			$browser_name = 'Anonymouse';
			$browser_code = 'anonymouse';
		} elseif (preg_match('#PHP#', $ua, $matches)) {
			$browser_name = 'PHP';
			$browser_code = 'php';
		} elseif (preg_match('#danger hiptop#i', $ua, $matches)) {
			$browser_name = 'Danger HipTop';
			$browser_code = 'danger';
		} elseif (preg_match('#w3m/([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'W3M';
			$browser_code = 'w3m';
			$browser_ver = $matches[1];
		} elseif (preg_match('#Shiira[/]([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'Shiira';
			$browser_code = 'shiira';
			$browser_ver = $matches[1];
			$os_name = "Mac OS";
			$os_code = "macos";
			$os_ver = "X";
		} elseif (preg_match('#Dillo[ /]([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'Dillo';
			$browser_code = 'dillo';
			$browser_ver = $matches[1];
		} elseif (preg_match('#Epiphany/([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'Epiphany';
			$browser_code = 'epiphany';
			$browser_ver = $matches[1];
			list($os_name, $os_code, $os_ver) = CID_unix_detect_os($ua);
		} elseif (preg_match('#UP.Browser/([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'Openwave UP.Browser';
			$browser_code = 'openwave';
			$browser_ver = $matches[1];
		} elseif (preg_match('#DoCoMo/([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'DoCoMo';
			$browser_code = 'docomo';
			$browser_ver = $matches[1];
			if ($browser_ver == '1.0') {
				preg_match('#DoCoMo/([a-zA-Z0-9.]+)/([a-zA-Z0-9.]+)#i', $ua, $matches);
				$browser_ver = $matches[2];
			} elseif ($browser_ver == '2.0') {
				preg_match('#DoCoMo/([a-zA-Z0-9.]+) ([a-zA-Z0-9.]+)#i', $ua, $matches);
				$browser_ver = $matches[2];
			}
		} elseif (preg_match('#(SeaMonkey)/([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'Mozilla SeaMonkey';
			$browser_code = 'seamonkey';
			$browser_ver = $matches[2];
			if (preg_match('/Windows/i', $ua)) {
				list($os_name, $os_code, $os_ver) = CID_windows_detect_os($ua);
			} else {
				list($os_name, $os_code, $os_ver) = CID_unix_detect_os($ua);
			}
		} elseif (preg_match('#Kazehakase/([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'Kazehakase';
			$browser_code = 'kazehakase';
			$browser_ver = $matches[1];
			if (preg_match('/Windows/i', $ua)) {
				list($os_name, $os_code, $os_ver) = CID_windows_detect_os($ua);
			} else {
				list($os_name, $os_code, $os_ver) = CID_unix_detect_os($ua);
			}
		} elseif (preg_match('#Flock/([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'Flock';
			$browser_code = 'flock';
			$browser_ver = $matches[1];
			if (preg_match('/Windows/i', $ua)) {
				list($os_name, $os_code, $os_ver) = CID_windows_detect_os($ua);
			} else {
				list($os_name, $os_code, $os_ver) = CID_unix_detect_os($ua);
			}
		} elseif (preg_match('#(Firefox|Phoenix|Firebird|BonEcho|GranParadiso|Minefield|Iceweasel)/4([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'Mozilla Firefox';
			$browser_code = 'firefox';
			$browser_ver = '4'.$matches[2];
			if (preg_match('/Windows/i', $ua)) {
				list($os_name, $os_code, $os_ver) = CID_windows_detect_os($ua);
			} else {
				list($os_name, $os_code, $os_ver) = CID_unix_detect_os($ua);
			}
		} elseif (preg_match('#(Firefox|Phoenix|Firebird|BonEcho|GranParadiso|Minefield|Iceweasel)/([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'Mozilla Firefox';
			$browser_code = 'firefox';
			$browser_ver = $matches[2];
			if (preg_match('/Windows/i', $ua)) {
				list($os_name, $os_code, $os_ver) = CID_windows_detect_os($ua);
			} else {
				list($os_name, $os_code, $os_ver) = CID_unix_detect_os($ua);
			}
		} elseif (preg_match('#Minimo/([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'Minimo';
			$browser_code = 'mozilla';
			$browser_ver = $matches[1];
			if (preg_match('/Windows/i', $ua)) {
				list($os_name, $os_code, $os_ver) = CID_windows_detect_os($ua);
			} else {
				list($os_name, $os_code, $os_ver) = CID_unix_detect_os($ua);
			}
		} elseif (preg_match('#MultiZilla/([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'MultiZilla';
			$browser_code = 'mozilla';
			$browser_ver = $matches[1];
			if (preg_match('/Windows/i', $ua)) {
				list($os_name, $os_code, $os_ver) = CID_windows_detect_os($ua);
			} else {
				list($os_name, $os_code, $os_ver) = CID_unix_detect_os($ua);
			}
		} elseif (preg_match('#SE 2([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'SouGou Browser';
			$browser_code = 'sogou';
			$browser_ver = '2'.$matches[1];
			if (preg_match('/Windows/i', $ua)) {
				list($os_name, $os_code, $os_ver) = CID_windows_detect_os($ua);
			} else {
				list($os_name, $os_code, $os_ver) = CID_unix_detect_os($ua);
			}
		} elseif (preg_match('#baidubrowser ([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'BaiDu Browser';
			$browser_code = 'baidubrowser';
			$browser_ver = $matches[1];
			if (preg_match('/Windows/i', $ua)) {
				list($os_name, $os_code, $os_ver) = CID_windows_detect_os($ua);
			} else {
				list($os_name, $os_code, $os_ver) = CID_unix_detect_os($ua);
			}
		} elseif (preg_match('#360([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = '360 Browser';
			$browser_code = '360se';
			$browser_ver = $matches[1];
			if (preg_match('/Windows/i', $ua)) {
				list($os_name, $os_code, $os_ver) = CID_windows_detect_os($ua);
			} else {
				list($os_name, $os_code, $os_ver) = CID_unix_detect_os($ua);
			}
		} elseif (preg_match('#QQBrowser/([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'QQ Browser';
			$browser_code = 'qqbrowser';
			$browser_ver = $matches[1];
			if (preg_match('/Windows/i', $ua)) {
				list($os_name, $os_code, $os_ver) = CID_windows_detect_os($ua);
			} else {
				list($os_name, $os_code, $os_ver) = CID_unix_detect_os($ua);
			}
		} elseif (preg_match('/PSP \(PlayStation Portable\)\; ([a-zA-Z0-9.]+)/', $ua, $matches)) {
			$pda_name = "Sony PSP";
			$pda_code = "sony-psp";
			$pda_ver = $matches[1];
		} elseif (preg_match('#Galeon/([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'Galeon';
			$browser_code = 'galeon';
			$browser_ver = $matches[1];
			list($os_name, $os_code, $os_ver) = CID_unix_detect_os($ua);
		} elseif (preg_match('#iCab/([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'iCab';
			$browser_code = 'icab';
			$browser_ver = $matches[1];
			$os_name = "Mac OS";
			$os_code = "macos";
			if (preg_match('#Mac OS X#i', $ua)) {
				$os_ver = "X";
			}
		} elseif (preg_match('#K-Meleon/([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'K-Meleon';
			$browser_code = 'kmeleon';
			$browser_ver = $matches[1];
			if (preg_match('/Windows/i', $ua)) {
				list($os_name, $os_code, $os_ver) = CID_windows_detect_os($ua);
			} else {
				list($os_name, $os_code, $os_ver) = CID_unix_detect_os($ua);
			}
		} elseif (preg_match('#Lynx/([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'Lynx';
			$browser_code = 'lynx';
			$browser_ver = $matches[1];
			list($os_name, $os_code, $os_ver) = CID_unix_detect_os($ua);
		} elseif (preg_match('#Links \\(([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'Links';
			$browser_code = 'lynx';
			$browser_ver = $matches[1];
			list($os_name, $os_code, $os_ver) = CID_unix_detect_os($ua);
		} elseif (preg_match('#ELinks[/ ]([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'ELinks';
			$browser_code = 'lynx';
			$browser_ver = $matches[1];
			list($os_name, $os_code, $os_ver) = CID_unix_detect_os($ua);
		} elseif (preg_match('#ELinks \\(([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'ELinks';
			$browser_code = 'lynx';
			$browser_ver = $matches[1];
			list($os_name, $os_code, $os_ver) = CID_unix_detect_os($ua);
		} elseif (preg_match('#Konqueror/([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'Konqueror';
			$browser_code = 'konqueror';
			$browser_ver = $matches[1];
			list($os_name, $os_code, $os_ver) = CID_unix_detect_os($ua);
			if (!$os_name) {
				list($os_name, $os_code, $os_ver) = CID_pda_detect_os($ua);
			}
		} elseif (preg_match('#NetPositive/([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'NetPositive';
			$browser_code = 'netpositive';
			$browser_ver = $matches[1];
			$os_name = "BeOS";
			$os_code = "beos";
		} elseif (preg_match('#OmniWeb#i', $ua)) {
			$browser_name = 'OmniWeb';
			$browser_code = 'omniweb';
			$os_name = "Mac OS";
			$os_code = "macos";
			$os_ver = "X";
		} elseif (preg_match('#Chrome/([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'Google Chrome'; $browser_code = 'chrome'; $browser_ver = $matches[1];
			if (preg_match('/Windows/i', $ua)) {
				list($os_name, $os_code, $os_ver) = CID_windows_detect_os($ua);
			} else {
				list($os_name, $os_code, $os_ver) = CID_unix_detect_os($ua);
			}
		} elseif (preg_match('#Arora/([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'Arora';
			$browser_code = 'arora';
			$browser_ver = $matches[1];
			if (preg_match('/Windows/i', $ua)) {
				list($os_name, $os_code, $os_ver) = CID_windows_detect_os($ua);
			} else {
				list($os_name, $os_code, $os_ver) = CID_unix_detect_os($ua);
			}
		} elseif (preg_match('#Maxthon( |\/)([a-zA-Z0-9.]+)#i', $ua,$matches)) {
			$browser_name = 'Maxthon';
			$browser_code = 'maxthon';
			$browser_ver = $matches[2];
			if (preg_match('/Win/i', $ua)) {
				list($os_name, $os_code, $os_ver) = CID_windows_detect_os($ua);
			} else {
				list($os_name, $os_code, $os_ver) = CID_unix_detect_os($ua);
			}
		} elseif (preg_match('#CriOS/([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'Chrome for iOS';
			$browser_code = 'crios';
			$browser_ver = $matches[1];
			if (preg_match('/Windows/i', $ua)) {
				list($os_name, $os_code, $os_ver) = CID_windows_detect_os($ua);
			} else {
				list($os_name, $os_code, $os_ver) = CID_unix_detect_os($ua);
			}
		} elseif (preg_match('#Safari/([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'Safari';
			$browser_code = 'safari';
			$browser_ver = $matches[1];
			if (preg_match('/Windows/i', $ua)) {
				list($os_name, $os_code, $os_ver) = CID_windows_detect_os($ua);
			} else {
				list($os_name, $os_code, $os_ver) = CID_unix_detect_os($ua);
			}
		} elseif (preg_match('#opera mini#i', $ua)) {
			$browser_name = 'Opera Mini';
			$browser_code = 'opera';
			preg_match('#Opera/([a-zA-Z0-9.]+)#i', $ua, $matches);
			$browser_ver = $matches[1];
			if (preg_match('/Windows/i', $ua)) {
				list($os_name, $os_code, $os_ver) = CID_windows_detect_os($ua);
			} else {
				list($os_name, $os_code, $os_ver) = CID_unix_detect_os($ua);
			}
		} elseif (preg_match('#Opera.(.*)Version[ /]([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'Opera';
			$browser_code = 'opera';
			$browser_ver = $matches[2];
			if (preg_match('/Windows/i', $ua)) {
				list($os_name, $os_code, $os_ver) = CID_windows_detect_os($ua);
			} else {
				list($os_name, $os_code, $os_ver) = CID_unix_detect_os($ua);
			}
			if (!$os_name) {
				list($os_name, $os_code, $os_ver) = CID_unix_detect_os($ua);
			}
			if (!$os_name) {
				list($os_name, $os_code, $os_ver, $pda_name, $pda_code, $pda_ver) = CID_pda_detect_os($ua);
			}
			if (!$os_name) {
				if (preg_match('/Wii/i', $ua)) {
					$os_name = "Nintendo Wii";
					$os_code = "nintendo-wii";
				}
			}
		} elseif (preg_match('#Opera/([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'Opera Mini';
			$browser_code = 'opera';
			$browser_ver = $matches[1];
			if (preg_match('/Windows/i', $ua)) {
				list($os_name, $os_code, $os_ver) = CID_windows_detect_os($ua);
			} else {
				list($os_name, $os_code, $os_ver) = CID_unix_detect_os($ua);
			}
		} elseif (preg_match('#WebPro/([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'WebPro';
			$browser_code = 'webpro';
			$browser_ver = $matches[1];
			$os_name = "PalmOS";
			$os_code = "palmos";
		} elseif (preg_match('#WebPro#i', $ua, $matches)) {
			$browser_name = 'WebPro';
			$browser_code = 'webpro';
			$os_name = "PalmOS";
			$os_code = "palmos";
		} elseif (preg_match('#Netfront/([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'Netfront';
			$browser_code = 'netfront';
			$browser_ver = $matches[1];
			list($os_name, $os_code, $os_ver, $pda_name, $pda_code, $pda_ver) = CID_pda_detect_os($ua);
		} elseif (preg_match('#Xiino/([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'Xiino';
			$browser_code = 'xiino';
			$browser_ver = $matches[1];
		} elseif (preg_match('/wp-blackberry\/([a-zA-Z0-9.]*)/i', $ua, $matches)) {
			$browser_name = "WordPress for BlackBerry";
			$browser_code = "wordpress";
			$browser_ver = $matches[1];
			$pda_name = "BlackBerry";
			$pda_code = "blackberry";
		} elseif (preg_match('#Blackberry([0-9]+)#i', $ua, $matches)) {
			$pda_name = "Blackberry";
			$pda_code = "blackberry";
			$pda_ver = $matches[1];
		} elseif (preg_match('#Blackberry#i', $ua)) {
			$pda_name = "Blackberry";
			$pda_code = "blackberry";
		} elseif (preg_match('#SPV ([0-9a-zA-Z.]+)#i', $ua, $matches)) {
			$pda_name = "Orange SPV";
			$pda_code = "orange";
			$pda_ver = $matches[1];
		} elseif (preg_match('#LGE-([a-zA-Z0-9]+)#i', $ua, $matches)) {
			$pda_name = "LG";
			$pda_code = 'lg';
			$pda_ver = $matches[1];
		} elseif (preg_match('#MOT-([a-zA-Z0-9]+)#i', $ua, $matches)) {
			$pda_name = "Motorola";
			$pda_code = 'motorola';
			$pda_ver = $matches[1];
		} elseif (preg_match('#Nokia ?([0-9]+)#i', $ua, $matches)) {
			$pda_name = "Nokia";
			$pda_code = "nokia";
			$pda_ver = $matches[1];
		} elseif (preg_match('#NokiaN-Gage#i', $ua)) {
			$pda_name = "Nokia";
			$pda_code = "nokia";
			$pda_ver = "N-Gage";
		} elseif (preg_match('#Blazer[ /]?([a-zA-Z0-9.]*)#i', $ua, $matches)) {
			$browser_name = "Blazer";
			$browser_code = "blazer";
			$browser_ver = $matches[1];
			$os_name = "Palm OS";
			$os_code = "palm";
		} elseif (preg_match('#SIE-([a-zA-Z0-9]+)#i', $ua, $matches)) {
			$pda_name = "Siemens";
			$pda_code = "siemens";
			$pda_ver = $matches[1];
		} elseif (preg_match('#SEC-([a-zA-Z0-9]+)#i', $ua, $matches)) {
			$pda_name = "Samsung";
			$pda_code = "samsung";
			$pda_ver = $matches[1];
		} elseif (preg_match('/wp-iphone\/([a-zA-Z0-9.]*)/i', $ua, $matches)) {
			$browser_name = "WordPress for iOS";
			$browser_code = "wordpress";
			$browser_ver = $matches[1];
			$pda_name = "iPhone & iPad";
			$pda_code = "ipad";
		} elseif (preg_match('/wp-android\/([a-zA-Z0-9.]*)/i', $ua, $matches)) {
			$browser_name = "WordPress for Android";
			$browser_code = "wordpress";
			$browser_ver = $matches[1];
			$pda_name = "Android";
			$pda_code = "android";
		} elseif (preg_match('/wp-windowsphone\/([a-zA-Z0-9.]*)/i', $ua, $matches)) {
			$browser_name = "WordPress for Windows Phone 7";
			$browser_code = "wordpress";
			$browser_ver = $matches[1];
			$pda_name = "Windows Phone 7";
			$pda_code = "windows_phone7";
		} elseif (preg_match('/wp-nokia\/([a-zA-Z0-9.]*)/i', $ua, $matches)) {
			$browser_name = "WordPress for Nokia";
			$browser_code = "wordpress";
			$browser_ver = $matches[1];
			$pda_name = "Nokia";
			$pda_code = "nokia";
		} elseif (preg_match('#SAMSUNG-(S.H-[a-zA-Z0-9_/.]+)#i', $ua, $matches)) {
			$pda_name = "Samsung";
			$pda_code = "samsung";
			$pda_ver = $matches[1];
			if (preg_match('#(j2me|midp)#i', $ua)) {
				$browser_name = "J2ME/MIDP Browser";
				$browser_code = "j2me";
			}
		} elseif (preg_match('#SonyEricsson ?([a-zA-Z0-9]+)#i', $ua, $matches)) {
			$pda_name = "SonyEricsson";
			$pda_code = "sonyericsson";
			$pda_ver = $matches[1];
		} elseif (preg_match('#(j2me|midp)#i', $ua)) {
			$browser_name = "J2ME/MIDP Browser";
			$browser_code = "j2me";
			// mice
		} elseif (preg_match('/GreenBrowser/i', $ua)) {
			$browser_name = 'GreenBrowser';
			$browser_code = 'greenbrowser';
			if (preg_match('/Win/i', $ua)) {
				list($os_name, $os_code, $os_ver) = CID_windows_detect_os($ua);
			} else {
				list($os_name, $os_code, $os_ver) = CID_unix_detect_os($ua);
			}
		} elseif (preg_match('#TencentTraveler ([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = '腾讯TT浏览器';
			$browser_code = 'tencenttraveler';
			$browser_ver = $matches[1];
			if (preg_match('/Windows/i', $ua)) {
				list($os_name, $os_code, $os_ver) = CID_windows_detect_os($ua);
			} else {
				list($os_name, $os_code, $os_ver) = CID_unix_detect_os($ua);
			}
		} elseif (preg_match('#UCWEB([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'UCWEB';
			$browser_code = 'ucweb';
			$browser_ver = $matches[1];
			if (preg_match('/Windows/i', $ua)) {
				list($os_name, $os_code, $os_ver) = CID_windows_detect_os($ua);
			} else {
				list($os_name, $os_code, $os_ver) = CID_unix_detect_os($ua);
			}
		} elseif (preg_match('#MSIE ([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'Internet Explorer';
			$browser_ver = $matches[1];
			if ( strpos($browser_ver, '7') !== false || strpos($browser_ver, '8') !== false)
				$browser_code = 'ie8';
			elseif ( strpos($browser_ver, '9') !== false)
			$browser_code = 'ie9';
			elseif ( strpos($browser_ver, '10') !== false)
			$browser_code = 'ie10';
			else
				$browser_code = 'ie';
			list($os_name, $os_code, $os_ver, $pda_name, $pda_code, $pda_ver) = CID_windows_detect_os($ua);
		} elseif (preg_match('#Universe/([0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'Universe';
			$browser_code = 'universe';
			$browser_ver = $matches[1];
			list($os_name, $os_code, $os_ver, $pda_name, $pda_code, $pda_ver) = CID_pda_detect_os($ua);
		}elseif (preg_match('#Netscape[0-9]?/([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'Netscape';
			$browser_code = 'netscape';
			$browser_ver = $matches[1];
			if (preg_match('/Windows/i', $ua)) {
				list($os_name, $os_code, $os_ver) = CID_windows_detect_os($ua);
			} else {
				list($os_name, $os_code, $os_ver) = CID_unix_detect_os($ua);
			}
		} elseif (preg_match('#^Mozilla/5.0#i', $ua) && preg_match('#rv:([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'Mozilla';
			$browser_code = 'mozilla';
			$browser_ver = $matches[1];
			if (preg_match('/Windows/i', $ua)) {
				list($os_name, $os_code, $os_ver) = CID_windows_detect_os($ua);
			} else {
				list($os_name, $os_code, $os_ver) = CID_unix_detect_os($ua);
			}
		} elseif (preg_match('#^Mozilla/([a-zA-Z0-9.]+)#i', $ua, $matches)) {
			$browser_name = 'Netscape Navigator';
			$browser_code = 'netscape';
			$browser_ver = $matches[1];
			if (preg_match('/Win/i', $ua)) {
				list($os_name, $os_code, $os_ver) = CID_windows_detect_os($ua);
			} else {
				list($os_name, $os_code, $os_ver) = CID_unix_detect_os($ua);
			}
		}else{
			$browser_name = 'Unknow Browser';
			$browser_code = 'null';
		}
	
		if (!$pda_name && !$os_name){
			$pda_name = 'Unknow Os';
			$pda_code = 'other';
			$os_name = 'Unknow Os';
			$os_code = 'other';
		}
		
		return '操作系统信息: '.$os_name.$os_ver."<br />".'浏览器信息: '.$browser_name.$browser_ver;
//		return array($browser_name, $browser_code, $browser_ver, $os_name, $os_code, $os_ver, $pda_name, $pda_code, $pda_ver);
	}


function Get_Useragent()
{
	$agent = $_SERVER['HTTP_USER_AGENT'];
	if(!empty($agent))
	{
		return CID_detect_browser( $agent );
	}
	else
	{
		return '无法检测';
	} 
}

/**
 * 获取当前用户ip
 * @return string
 */
function weather_getclientip ()
{
	if ( getenv ( "HTTP_CLIENT_IP" ) && strcasecmp ( getenv ( "HTTP_CLIENT_IP" ), "unknown" ) ) {
		$ip = getenv ( "HTTP_CLIENT_IP" );
	} elseif (getenv ( "HTTP_X_FORWARDED_FOR" ) && strcasecmp ( getenv ( "HTTP_X_FORWARDED_FOR" ), "unknown" )) {
		$ip = getenv ( "HTTP_X_FORWARDED_FOR" );
	} elseif (getenv ( "REMOTE_ADDR" ) && strcasecmp ( getenv ( "REMOTE_ADDR" ), "unknown" )) {
		$ip = getenv ( "REMOTE_ADDR" );
	} elseif (isset ( $_SERVER ['REMOTE_ADDR'] ) && $_SERVER ['REMOTE_ADDR'] && strcasecmp ( $_SERVER ['REMOTE_ADDR'], "unknown" )) {
		$ip = $_SERVER ['REMOTE_ADDR'];
	}
	if ($_SERVER ['REMOTE_ADDR'] == '127.0.0.1' && $ip == 'unknown') {
		$ip = 'localhost';
	}
	return $ip;
}

/**
 * 将IP解析为现实地址。使用淘宝接口。
 * {"code":0,"data":{"country":"\u4e2d\u56fd",
 * 					 "country_id":"CN",
 *                   "area":"\u534e\u4e1c",
 *                   "area_id":"300000",
 *                   "region":"\u6c5f\u82cf\u7701",
 *                   "region_id":"320000",
 *                   "city":"\u5357\u4eac\u5e02",
 *                   "city_id":"320100",
 *                   "county":"",
 *                   "county_id":"-1",
 *                   "isp":"\u7535\u4fe1",
 *                   "isp_id":"100017",
 *                   "ip":"121.237.35.2"}}
 */
function weather_mapip2addr ($ipaddr)
{
	$url='http://ip.taobao.com/service/getIpInfo.php?ip='.$ipaddr;
	$re=file_get_contents($url);
	$re = json_decode($re);
	
	$addr = '来访者IP: '.$re->data->ip."<br />".'来访者位置: '.$re->data->country.'-'.$re->data->region.'-'.$re->data->city.'--'.$re->data->isp;
	return $addr;
}
function widget_sidebar_weather() {
	function widget_weather_func($args) {
	    extract($args);
		echo $before_widget;
		echo $before_title . '天气预报' . $after_title;
		echo '<iframe width="280" scrolling="no" height="90" frameborder="0" allowtransparency="true" src="http://i.tianqi.com/index.php?c=code&id=8&bdc=%23&icon=3&num=3"></iframe>';	
		
		$output = weather_mapip2addr( weather_getclientip() );
		$output = $output."<br />".Get_Useragent();
		echo $output;
			
		echo $after_widget;
	}
	register_sidebar_widget('Widget-Weather', 'widget_weather_func');
}

add_action('plugins_loaded', 'widget_sidebar_weather');
?>