<?php

if (!function_exists("is_https")) {
 function is_https()
 {
 if (isset($_SERVER['SERVER_PORT']) && $_SERVER['SERVER_PORT'] == 443) {
 return true;
 } elseif (isset($_SERVER['HTTPS']) && (strtolower($_SERVER['HTTPS']) == 'on' || $_SERVER['HTTPS'] == '1')) {
 return true;
 } elseif (isset($_SERVER['HTTP_X_CLIENT_SCHEME']) && $_SERVER['HTTP_X_CLIENT_SCHEME'] == 'https') {
 return true;
 } elseif (isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https') {
 return true;
 } elseif (isset($_SERVER['REQUEST_SCHEME']) && $_SERVER['REQUEST_SCHEME'] == 'https') {
 return true;
 } elseif (isset($_SERVER['HTTP_EWS_CUSTOME_SCHEME']) && $_SERVER['HTTP_EWS_CUSTOME_SCHEME'] == 'https') {
 return true;
 }
 return false;
 }
}
/**
 * 是否微信浏览器内核
 */
function is_weixin()
{
 return !strpos($_SERVER['HTTP_USER_AGENT'], 'MicroMessenger') === false;
}

/**
 * 是否QQ浏览器内核
 */
function is_qq()
{
 return !strpos($_SERVER['HTTP_USER_AGENT'], 'QQ/') === false;
}

function get_curl($url, $post = 0, $referer = 0, $cookie = 0, $header = 0, $ua = 0, $nobaody = 0, $addheader = 0)
{
 $ch = curl_init();
 curl_setopt($ch, CURLOPT_URL, $url);
 curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
 curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
 $httpheader[] = "Accept: */*";
 $httpheader[] = "Accept-Encoding: gzip,deflate,sdch";
 $httpheader[] = "Accept-Language: zh-CN,zh;q=0.8";
 $httpheader[] = "Connection: close";
 if ($addheader) {
 $httpheader = array_merge($httpheader, $addheader);
 }
 curl_setopt($ch, CURLOPT_HTTPHEADER, $httpheader);
 if ($post) {
 curl_setopt($ch, CURLOPT_POST, 1);
 curl_setopt($ch, CURLOPT_POSTFIELDS, $post);
 }
 if ($header) {
 curl_setopt($ch, CURLOPT_HEADER, true);
 }
 if ($cookie) {
 curl_setopt($ch, CURLOPT_COOKIE, $cookie);
 }
 if ($referer) {
 if ($referer == 1) {
 curl_setopt($ch, CURLOPT_REFERER, 'http://m.qzone.com/infocenter?g_f=');
 } else {
 curl_setopt($ch, CURLOPT_REFERER, $referer);
 }
 }
 if ($ua) {
 curl_setopt($ch, CURLOPT_USERAGENT, $ua);
 } else {
 curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (Linux; U; Android 4.0.4; es-mx; HTC_One_X Build/IMM76D) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0");
 }
 if ($nobaody) {
 curl_setopt($ch, CURLOPT_NOBODY, 1);
 }
 curl_setopt($ch, CURLOPT_ENCODING, "gzip");
 curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
 $ret = curl_exec($ch);
 curl_close($ch);
 return $ret;
}

function jsonShow($code, $msg = NULL, $data = array())
{
 $json = array(
 'code' => $code
 );
 if (!empty($msg)) $json['msg'] = $msg;
 if (!empty($data)) $json['data'] = $data;
 exit(json_encode($json));
}
function alert($text, $url = NULL, $isExit = true)
{
 $str = '<script>alert("' . $text . '");';
 if (!empty($url)) $str2 = 'location.href = "' . $url . '";';
 if ($url == '-1') $str2 = 'history.back("-1");';
 $str .= $str2;
 $str .= '</script>';
 if ($isExit) exit($str);
 echo $str;
}
function get_ip()
{
 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'];
 }
 return preg_match('/[\d\.]{7,15}/', $ip, $matches) ? $matches[0] : '';
}
function get_browse()
{
 if (!empty($_SERVER['HTTP_USER_AGENT'])) {
 $br = $_SERVER['HTTP_USER_AGENT'];
 if (preg_match('/MSIE/i', $br)) {
 $br = 'MSIE';
 } else if (preg_match('/Firefox/i', $br)) {
 $br = 'Firefox';
 } else if (preg_match('/Edg/i', $br)) {
 $br = 'Edge';
 } else if (preg_match('/MicroMessenger/i', $br)) {
 $br = 'WeChat';
 } else if (preg_match('/Chrome/i', $br)) {
 $br = 'Chrome';
 } else if (preg_match('/Safari/i', $br)) {
 $br = 'Safari';
 } else if (preg_match('/Opera/i', $br)) {
 $br = 'Opera';
 } else {
 $br = 'Other';
 }
 return $br;
 } else {
 return 'unknow';
 }
}
function get_os()
{
 if (!empty($_SERVER['HTTP_USER_AGENT'])) {
 $os = $_SERVER['HTTP_USER_AGENT'];
 if (preg_match('/win/i', $os)) {
 $os = 'Windows';
 } else if (preg_match('/mac/i', $os)) {
 $os = 'macOS';
 } else if (preg_match('/Android/i', $os)) {
 $os = 'Android';
 } else if (preg_match('/linux/i', $os)) {
 $os = 'Linux';
 } else if (preg_match('/unix/i', $os)) {
 $os = 'Unix';
 } else if (preg_match('/bsd/i', $os)) {
 $os = 'BSD';
 } else {
 $os = 'Other';
 }
 return $os;
 } else {
 return 'unknow';
 }
}
// 读取数据
function rdata($path)
{
 $articles = explode("\n", file_get_contents($path));
 // $articles = explode("\n", file_get_contents($_SERVER['DOCUMENT_ROOT'] . $path));
 // echo "<pre>";print_r($articles['1']);echo "</pre>";exit;
 return json_decode($articles['1'], true); // 解码并以数组返回,取消true则为->对象
}

//储存数据
function wdata($path, $arr = array())
{
 file_put_contents($path, "<?php exit; ?>" . "\n" . json_encode($arr, JSON_UNESCAPED_UNICODE));
}

function spider()
{
 $agent = addslashes(strtolower($_SERVER['HTTP_USER_AGENT'])); // 把请求头转为小写并转义引号
 // 如果不为假就赋值
 if (strpos($agent, 'googlebot') !== false) {
 $bot = 'Google';
 } elseif (strpos($agent, 'mediapartners-google') !== false) {
 $bot = 'Google Adsense';
 } elseif (strpos($agent, 'baiduspider') !== false) {
 $bot = 'Baidu';
 } elseif (strpos($agent, 'sogou spider') !== false) {
 $bot = 'Sogou';
 } elseif (strpos($agent, 'sogou web') !== false) {
 $bot = 'Sogou web';
 } elseif (strpos($agent, 'sosospider') !== false) {
 $bot = 'SOSO';
 } elseif (strpos($agent, '360spider') !== false) {
 $bot = '360Spider';
 } elseif (strpos($agent, 'yahoo') !== false) {
 $bot = 'Yahoo';
 } elseif (strpos($agent, 'msn') !== false) {
 $bot = 'MSN';
 } elseif (strpos($agent, 'msnbot') !== false) {
 $bot = 'msnbot';
 } elseif (strpos($agent, 'sohu') !== false) {
 $bot = 'Sohu';
 } elseif (strpos($agent, 'yodaoBot') !== false) {
 $bot = 'Yodao';
 } elseif (strpos($agent, 'twiceler') !== false) {
 $bot = 'Twiceler';
 } elseif (strpos($agent, 'ia_archiver') !== false) {
 $bot = 'Alexa_';
 } elseif (strpos($agent, 'iaarchiver') !== false) {
 $bot = 'Alexa';
 } elseif (strpos($agent, 'slurp') !== false) {
 $bot = '雅虎';
 } elseif (strpos($agent, 'bot') !== false) {
 $bot = '其它蜘蛛';
 }
 if (@$bot) {
 exit;
 }
}

function make_coupon_card()
{
 $code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
 $rand = $code[rand(0, 25)]
 . strtoupper(dechex(date('m')))
 . date('d') . substr(time(), -5)
 . substr(microtime(), 2, 5)
 . sprintf('%02d', rand(0, 99));
 for (
 $a = md5($rand, true),
 $s = '0123456789ABCDEFGHIJKLMNOPQRSTUV',
 $d = '',
 $f = 0;
 $f < 8;
 $g = ord($a[$f]),
 $d .= $s[($g ^ ord($a[$f + 8])) - $g & 0x1F],
 $f++
 );
 return $d;
}

function get_mysql($DB)
{
 $data = $DB->query('SELECT VERSION() AS version')->fetch(PDO::FETCH_ASSOC);
 return $data['version'];
}

function insertSql($table, $data)
{
 $sql = "INSERT INTO `{$table}`(";

 foreach ($data as $k => $v) {
 $sql .= "`{$k}`,";
 }

 $sql = trim($sql, ',') . ')VALUES(';

 foreach ($data as $v) {
 $sql .= "'{$v}',";
 }

 $sql = trim($sql, ',') . ')';

 return $sql;
}
function updateSql($table, $data, $where = false, $buy = false)
{
 $sql = "UPDATE `{$table}` SET ";

 if (!$buy) {
 foreach ($data as $k => $v) {
 $sql .= "`{$k}` = '{$v}',";
 }
 } else {
 foreach ($data as $k => $v) {
 $sql .= "`{$k}` = {$v},";
 }
 }

 $sql = trim($sql, ',');

 if ($where) $sql .= " WHERE {$where}";
 return $sql;
}
function sqlSafe($ary)
{
 $ary = array_map('filter', $ary);
 return $ary;
}
function filter($str)
{
 if (is_array($str)) return array_map('filter', $str);
 return htmlspecialchars($str);
}