/** * 判断内网IP * * @param $ip * * @returns */ function isPrivateIp($ip) { //分割字符串 $token = strtok($ip, '.'); //组合数组 while ($token !== false) { $strIP[] = $token; $token = strtok("."); } //判断IP地址是否合法 if(count($strIP)!=4) { return false; } //判断是否为A类内网IP if($strIP[0] == '10') { if($strIP[1]>=0 && $strIP[1] =0 && $strIP[2] =0 && $strIP[3] = 16 && $strIP[1] =0 && $strIP[2] =0 && $strIP[3] =0 && $strIP[2] =0 && $strIP[3] <= 255) { return true; } } } return false; } //错误的IP地址 return false; }
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