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Copy pathServerTools.php
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87 lines (68 loc) · 2.14 KB
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<?php
header('content-type:text/html;charset=utf-8');
/**
* 与服务器相关的工具类
* Class ServerTools
*/
class ServerTools{
/**
* @desc 判断当前服务器系统
* @return string
*/
public static function getOS()
{
if (PATH_SEPARATOR == ':') {
return 'Linux';
} else {
return 'Windows';
}
}
/**
* @desc memory_get_usage() 可以分析内存占用空间
* @desc 在实际WEB开发中，可以用PHP memory_get_usage()比较各个方法占用内存的高低，来选择使用哪种占用内存小的方法
* @return string
*/
public function getMemoryUsage() {
$memory = ( ! function_exists('memory_get_usage')) ? '0' : round(memory_get_usage()/1024/1024, 2).'MB';
return $memory;
}
// echo '开始内存：'.getMemoryUsage(), '';
// $tmp = str_repeat('hello', 1000);
// echo '运行后内存：'.getMemoryUsage(), '';
// unset($tmp);
// echo '回到正常内存：'.getMemoryUsage();
/**
* @desc IE浏览器判断
* @return bool
*/
public function isIE() {
$user_agent = strtolower($_SERVER['HTTP_USER_AGENT']);
if((strpos($user_agent, 'opera') !== false) || (strpos($user_agent, 'konqueror') !== false)){
return false;
}
if(strpos($user_agent, 'msie') !== false){
return true;
}
return false;
}
/**
* @desc 获取客户端地址ip
* @return string
*/
public function getIp() {
$ip = $_SERVER['REMOTE_ADDR'];
if(isset($_SERVER['HTTP_CDN_SRC_IP'])) {
$ip = $_SERVER['HTTP_CDN_SRC_IP'];
} elseif (isset($_SERVER['HTTP_CLIENT_IP']) && preg_match('/^([0-9]{1,3}\.){3}[0-9]{1,3}$/', $_SERVER['HTTP_CLIENT_IP'])) {
$ip = $_SERVER['HTTP_CLIENT_IP'];
} elseif(isset($_SERVER['HTTP_X_FORWARDED_FOR']) AND preg_match_all('#\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}#s', $_SERVER['HTTP_X_FORWARDED_FOR'], $matches)) {
foreach ($matches[0] AS $xip) {
if (!preg_match('#^(10|172\.16|192\.168)\.#', $xip)) {
$ip = $xip;
break;
}
}
}
return $ip;
}
}