前言：
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<?php
/*
* 日志记录
* 每天生成一个日志文件，当文件超过指定大小则备份日志文件并重新生成新的日志文件
*
*/
class Log {
private $maxsize = 1024000; //最大文件大小1M
//写入日志
public function writeLog($filename,$msg){
$res = array();
$res['msg'] = $msg;
$res['logtime'] = date("Y-m-d H:i:s",time());
//如果日志文件超过了指定大小则备份日志文件
if(file_exists($filename) && (abs(filesize($filename)) > $this->maxsize)){
$newfilename = dirname($filename).'/'.time().'-'.basename($filename);
rename($filename, $newfilename);
}
//如果是新建的日志文件，去掉内容中的第一个字符逗号
if(file_exists($filename) && abs(filesize($filename))>0){
$content = ",".json_encode($res);
}else{
$content = json_encode($res);
}
//往日志文件内容后面追加日志内容
file_put_contents($filename, $content, FILE_APPEND);
}
//读取日志
public function readLog($filename){
if(file_exists($filename)){
$content = file_get_contents($filename);
$json = json_decode('['.$content.']',true);
}else{
$json = '{"msg":"The file does not exist."}';
}
return $json;
}
}
?>
index.php
<?php
ini_set('date.timezone','Asia/Shanghai');
require_once('Log.class.php');
$filename = "logs/log_" . date("Ymd", time()) . ".txt";
$msg = array(
'ip' => $_SERVER["REMOTE_ADDR"],
'user' => getBrowser()
);
$Log = new Log();
$Log->writeLog($filename, $msg);
$loglist = $Log->readLog($filename);
//获取浏览器类型
function getBrowser() {
$user_OSagent = $_SERVER['HTTP_USER_AGENT'];
if (strpos($user_OSagent, "Maxthon") && strpos($user_OSagent, "MSIE")) {
$visitor_browser = "Maxthon(Microsoft IE)";
} elseif (strpos($user_OSagent, "Maxthon 2.0")) {
$visitor_browser = "Maxthon 2.0";
} elseif (strpos($user_OSagent, "Maxthon")) {
$visitor_browser = "Maxthon";
} elseif (strpos($user_OSagent, "Edge")) {
$visitor_browser = "Edge";
} elseif (strpos($user_OSagent, "Trident")) {
$visitor_browser = "IE";
} elseif (strpos($user_OSagent, "MSIE")) {
$visitor_browser = "IE";
} elseif (strpos($user_OSagent, "MSIE")) {
$visitor_browser = "MSIE 较高版本";
} elseif (strpos($user_OSagent, "NetCaptor")) {
$visitor_browser = "NetCaptor";
} elseif (strpos($user_OSagent, "Netscape")) {
$visitor_browser = "Netscape";
} elseif (strpos($user_OSagent, "Chrome")) {
$visitor_browser = "Chrome";
} elseif (strpos($user_OSagent, "Lynx")) {
$visitor_browser = "Lynx";
} elseif (strpos($user_OSagent, "Opera")) {
$visitor_browser = "Opera";
} elseif (strpos($user_OSagent, "MicroMessenger")) {
$visitor_browser = "微信浏览器";
} elseif (strpos($user_OSagent, "Konqueror")) {
$visitor_browser = "Konqueror";
} elseif (strpos($user_OSagent, "Mozilla/5.0")) {
$visitor_browser = "Mozilla";
} elseif (strpos($user_OSagent, "Firefox")) {
$visitor_browser = "Firefox";
} elseif (strpos($user_OSagent, "U")) {
$visitor_browser = "Firefox";
} else {
$visitor_browser = "其它";
}
return $visitor_browser;
}
?>
标签： #php浏览器信息
