PHP microtime函数代码示例

 private function getRandomBytes($count)
 {
     $bytes = '';
     if (function_exists('openssl_random_pseudo_bytes') && strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN') {
         // OpenSSL slow on Win
         $bytes = openssl_random_pseudo_bytes($count);
     }
     if ($bytes === '' && @is_readable('/dev/urandom') && ($hRand = @fopen('/dev/urandom', 'rb')) !== FALSE) {
         $bytes = fread($hRand, $count);
         fclose($hRand);
     }
     if (strlen($bytes) < $count) {
         $bytes = '';
         if ($this->randomState === null) {
             $this->randomState = microtime();
             if (function_exists('getmypid')) {
                 $this->randomState .= getmypid();
             }
         }
         for ($i = 0; $i < $count; $i += 16) {
             $this->randomState = md5(microtime() . $this->randomState);
             if (PHP_VERSION >= '5') {
                 $bytes .= md5($this->randomState, true);
             } else {
                 $bytes .= pack('H*', md5($this->randomState));
             }
         }
         $bytes = substr($bytes, 0, $count);
     }
     return $bytes;
 }

 function getToken($table, $campo, $uc = TRUE, $n = TRUE, $sc = TRUE, $largo = 15)
 {
     $db = new db_core();
     $source = 'abcdefghijklmnopqrstuvwxyz';
     if ($uc == 1) {
         $source .= 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
     }
     if ($n == 1) {
         $source .= '1234567890';
     }
     if ($sc == 1) {
         $source .= '|@#~$%()=^*+[]{}-_';
     }
     $rstr = "";
     while (true) {
         $rstr = "";
         $source = str_split($source, 1);
         for ($i = 1; $i <= $largo; $i++) {
             mt_srand((double) microtime() * 1000000);
             $num = mt_rand(1, count($source));
             $rstr .= $source[$num - 1];
         }
         if (!$db->isExists($table, $campo, $rstr)) {
             break;
         }
     }
     return $rstr;
 }

 /**
  * @param $phone
  * @param $code
  * @return bool
  * send sms to register&runner phone
  */
 private function smsSend($phone, $code)
 {
     $account = "mt6724";
     $password = "le44n8";
     $time = microtime();
     $time = explode(" ", $time);
     $time = $time[1] + $time[0];
     $time = number_format($time * 1000, 0, ".", "");
     $timestamp = $time;
     $access_token = md5($timestamp . $password);
     $receive = $phone;
     $smscontent = "你的验证码为{$code},有效期10分钟";
     $str = "account={$account}&timestamp={$timestamp}&access_token={$access_token}&receiver={$receive}&smscontent={$smscontent}&extcode=0";
     $url = "http://121.42.11.93:8001/interface/sendSms";
     $ch = curl_init();
     curl_setopt($ch, CURLOPT_HEADER, false);
     curl_setopt($ch, CURLOPT_URL, $url);
     curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
     curl_setopt($ch, CURLOPT_TIMEOUT, 1);
     // post数据
     curl_setopt($ch, CURLOPT_POST, 1);
     // post的变量
     curl_setopt($ch, CURLOPT_POSTFIELDS, $str);
     $output = curl_exec($ch);
     curl_close($ch);
     $res = json_decode($output, TRUE);
     if ($res['res_code'] == '0') {
         return true;
     } else {
         return false;
     }
 }

 function quoteFromDir($dir)
 {
     $amount = 0;
     $index = 0;
     if ($handle = opendir($dir)) {
         while (false !== ($file = readdir($handle))) {
             if (strpos($file, ".dat") != false) {
                 $len = strlen($file);
                 if (substr($file, $len - 4) == ".dat") {
                     $number = $this->getNumberOfQuotes($dir . "/" . $file);
                     $amount += $number;
                     $quotes[$index] = $amount;
                     $files[$index] = $file;
                     $index++;
                 }
             }
         }
         srand((double) microtime() * 1000000);
         $index = rand(0, $amount);
         $i = 0;
         while ($quotes[$i] < $index) {
             $i++;
         }
         return $this->getRandomQuote($dir . "/" . $files[$i]);
     }
     return -1;
 }

 public static function processemail($emailsrc, $pdfout, $coverfile = '')
 {
     $combfilelist = array();
     # Process the email
     $emailparts = Mail_mimeDecode::decode(array('include_bodies' => true, 'decode_bodies' => true, 'decode_headers' => true, 'input' => file_get_contents($emailsrc), 'crlf' => "\r\n"));
     # Process the cover if it exists
     if ($coverfile !== '') {
         $combfilelist[] = self::processpart(file_get_contents($coverfile), mime_content_type($coverfile));
     }
     # Process the parts
     $combfilelist = array_merge($combfilelist, self::processparts($emailparts));
     # Create an intermediate file to build the pdf
     $tmppdffilename = sys_get_temp_dir() . '/e2p-' . (string) abs((int) (microtime(true) * 100000)) . '.pdf';
     # Build the command to combine all of the intermediate files into one
     $conbcom = str_replace(array_merge(array('INTFILE', 'COMBLIST'), array_keys(self::$driver_paths)), array_merge(array($tmppdffilename, implode(' ', $combfilelist)), array_values(self::$driver_paths)), self::$mime_drivers['gs']);
     exec($conbcom);
     # Remove the intermediate files
     foreach ($combfilelist as $combfilename) {
         unlink($combfilename);
     }
     # Write the intermediate file to the final destination
     $intfileres = fopen($tmppdffilename, 'rb');
     $outfileres = fopen($pdfout, 'ab');
     while (!feof($intfileres)) {
         fwrite($outfileres, fread($intfileres, 8192));
     }
     fclose($intfileres);
     fclose($outfileres);
     # Remove the intermediate file
     unlink($tmppdffilename);
 }

 /**
  * Constructs a new Log_display object.
  *
  * @param string $name     Ignored.
  * @param string $ident    The identity string.
  * @param array  $conf     The configuration array.
  * @param int    $level    Log messages up to and including this level.
  * @access public
  */
 function Log_display($name = '', $ident = '', $conf = array(), $level = PEAR_LOG_DEBUG)
 {
     if (!class_exists('G')) {
         $realdocuroot = str_replace('\\', '/', $_SERVER['DOCUMENT_ROOT']);
         $docuroot = explode('/', $realdocuroot);
         array_pop($docuroot);
         $pathhome = implode('/', $docuroot) . '/';
         array_pop($docuroot);
         $pathTrunk = implode('/', $docuroot) . '/';
         require_once $pathTrunk . 'gulliver/system/class.g.php';
     }
     $this->_id = G::encryptOld(microtime());
     $this->_ident = $ident;
     $this->_mask = Log::UPTO($level);
     if (isset($conf['error_prepend'])) {
         $this->_error_prepend = $conf['error_prepend'];
     } else {
         $this->_error_prepend = ini_get('error_prepend_string');
     }
     if (isset($conf['error_append'])) {
         $this->_error_append = $conf['error_append'];
     } else {
         $this->_error_append = ini_get('error_append_string');
     }
     if (isset($conf['linebreak'])) {
         $this->_linebreak = $conf['linebreak'];
     }
 }

 private function invokeStats(array $options, RequestInterface $request, $startTime, ResponseInterface $response = null, $error = null)
 {
     if (isset($options['on_stats'])) {
         $stats = new TransferStats($request, $response, microtime(true) - $startTime, $error, []);
         call_user_func($options['on_stats'], $stats);
     }
 }

 /**
  * @param  \Kbrw\RiakBundle\Model\Cluster\Cluster $cluster
  * @param  \Kbrw\RiakBundle\Model\Bucket\Bucket   $bucket
  * @param  \Kbrw\RiakBundle\Model\MapReduce\Query $query
  * @return mixed
  */
 public function mapReduce($cluster, $query)
 {
     try {
         $request = $this->getClient($cluster->getGuzzleClientProviderService(), $this->getConfig($cluster))->post();
         $extra = array("method" => "POST");
         $ts = microtime(true);
         $body = $this->getSerializer()->serialize($query, "json");
         $extra["serialization_time"] = microtime(true) - $ts;
         $request->setBody($body, "application/json");
         $response = $request->send();
         if ($response->getStatusCode() === 200) {
             $fqcn = $query->getResponseFullyQualifiedClassName();
             if (!empty($fqcn)) {
                 $ts = microtime(true);
                 $content = $this->getSerializer()->deserialize($response->getBody(true), $fqcn, "json");
                 $extra["serialization_time"] = microtime(true) - $ts;
                 $this->logResponse($response, $extra);
                 return $content;
             }
             $this->logResponse($response, $extra);
             return $response->getBody(true);
         }
         $this->logResponse($response, $extra);
     } catch (CurlException $e) {
         $this->logger->err("Riak is unavailable" . $e->getMessage());
         throw new RiakUnavailableException();
     } catch (\Exception $e) {
         $this->logger->err("Unable to execute a mapreduce query. Full message is : \n" . $e->getMessage() . "");
     }
     return null;
 }

 public function testRegularUser()
 {
     $originalUser = $this->getMock('Symfony\\Component\\Security\\Core\\User\\UserInterface');
     $user = new UserWrapped($originalUser, $this->apiUser);
     $this->assertTrue($user->isEnabled());
     $this->assertTrue($user->isAccountNonExpired());
     $this->assertTrue($user->isAccountNonLocked());
     $this->assertTrue($user->isCredentialsNonExpired());
     $this->assertTrue($user->isEqualTo($this->getMock('Symfony\\Component\\Security\\Core\\User\\UserInterface')));
     $originalUser->expects($this->once())->method('eraseCredentials');
     $user->eraseCredentials();
     $username = 'lolautruche';
     $password = 'NoThisIsNotMyRealPassword';
     $roles = array('ROLE_USER', 'ROLE_TEST');
     $salt = md5(microtime(true));
     $originalUser->expects($this->exactly(2))->method('getUsername')->will($this->returnValue($username));
     $originalUser->expects($this->once())->method('getPassword')->will($this->returnValue($password));
     $originalUser->expects($this->once())->method('getRoles')->will($this->returnValue($roles));
     $originalUser->expects($this->once())->method('getSalt')->will($this->returnValue($salt));
     $this->assertSame($username, $user->getUsername());
     $this->assertSame($username, (string) $user);
     $this->assertSame($password, $user->getPassword());
     $this->assertSame($roles, $user->getRoles());
     $this->assertSame($salt, $user->getSalt());
     $this->assertSame($originalUser, $user->getWrappedUser());
 }

 /**
  *  ログを出力する
  *
  *  @access public
  *  @param  int     $level      ログレベル(LOG_DEBUG, LOG_NOTICE...)
  *  @param  string  $message    ログメッセージ(+引数)
  */
 function log($level, $message)
 {
     if ($this->fp == null) {
         return;
     }
     $microtime = microtime(true);
     $sec = floor($microtime);
     $msec = floor(($microtime - $sec) * 1000);
     $prefix = sprintf('%s.%03d %s ', strftime('%Y/%m/%dT%H:%M:%S', $sec), $msec, $this->ident);
     if (array_key_exists("pid", $this->option)) {
         $prefix .= sprintf('[%d]', getmypid());
     }
     $prefix .= sprintf('(mem:%s)', number_format(memory_get_usage()));
     $prefix .= sprintf('(%s): ', $this->_getLogLevelName($level));
     if (array_key_exists("function", $this->option) || array_key_exists("pos", $this->option)) {
         $tmp = "";
         $bt = $this->_getBacktrace();
         if ($bt && array_key_exists("function", $this->option) && $bt['function']) {
             $tmp .= $bt['function'];
         }
         if ($bt && array_key_exists("pos", $this->option) && $bt['pos']) {
             $tmp .= $tmp ? sprintf('(%s)', $bt['pos']) : $bt['pos'];
         }
         if ($tmp) {
             $prefix .= $tmp . ": ";
         }
     }
     fwrite($this->fp, $prefix . $message . "\n");
     return $prefix . $message;
 }

 /**
  * Set a benchmark stop point.
  *
  * @param   string  benchmark name
  * @return  void
  */
 public static function stop($name)
 {
     if (isset(self::$marks[$name]) and self::$marks[$name]['stop'] === FALSE) {
         self::$marks[$name]['stop'] = microtime(TRUE);
         self::$marks[$name]['memory_stop'] = function_exists('memory_get_usage') ? memory_get_usage() : 0;
     }
 }

 public function execute(Request $request, $count, OutputInterface $out)
 {
     $client = new \Elasticsearch\Client(['hosts' => [$request->getHost()]]);
     $response = new Response();
     if ($this->clearCache) {
         $this->clearCache($client, $out);
     }
     $helper = new ProgressHelper();
     $helper->start($out, $count);
     $start = microtime(true);
     for ($i = 0; $i < $count; $i++) {
         try {
             $response->addSuccess($client->search($request->getParameters()));
         } catch (\Exception $ex) {
             $response->addFailure();
             var_dump($ex->getMessage());
             exit;
         }
         $helper->advance();
     }
     $helper->finish();
     $response->setExternalTime(microtime(true) - $start);
     try {
         $response->setStats($client->indices()->stats([['index' => $request->getIndex()], 'groups' => [$request->getStatId()]]));
     } catch (\Exception $ex) {
         // nothing to do here
     }
     return $response;
 }

function checkAuth($redirectIfNeeded)
{
    // is the user already logged in?
    if (isset($_SESSION["uid"]) && $_SESSION["uid"] != "") {
        // yes, already logged in
        return $_SESSION["uid"];
    } else {
        if ($redirectIfNeeded) {
            // user is not logged in and needs to do so
            // send to the login page
            // pass the current URL so that we can come back here after login
            $currentUrl = currentUrl();
            // rawurlencode converts the string so it's safe to pass as a URL GET parameter
            $urlOfLogin = "login.php?sendBackTo=" . rawurlencode($currentUrl) . "&cb=" . microtime(true);
            // use a JavaScript redirect; FYI, there's also an http header (Location:) that
            //    can be used to redirect, but that MUST be sent before any HTML, and this
            //    function (checkAuth) might be called after some HTML is sent
            echo "<script>location.replace('{$urlOfLogin}');</script>";
            return "";
        } else {
            // user is not logged in, but whoever called this function doesn't care
            return "";
        }
    }
}

 /**
  * Updates bar by printing \r and new bar
  *
  * @param $progress Current value of progress between 0 and value given on constructor
  */
 public function update($progress)
 {
     $this->_times[] = microtime(true);
     $done = $progress == 0 ? 0 : round($progress / $this->_max * $this->_maxLength);
     $left = round((1 - $progress / $this->_max) * $this->_maxLength);
     // current/max
     $output = ' ' . sprintf('%' . strlen($this->_max) . 's/%s', $progress, $this->_max) . ' ';
     // progressbar
     $output .= '[' . str_repeat('=', $done != 0 ? $done - 1 : $done) . ($done > 0 ? '>' : '') . str_repeat('-', $left) . ']';
     // percent
     $output .= ' ' . sprintf('%6.2f', round($progress / $this->_max * 100, 2)) . "%";
     // eta
     // using http://en.wikipedia.org/wiki/Moving_average#Exponential_moving_average
     // averageSpeed = SMOOTHING_FACTOR * lastSpeed + (1-SMOOTHING_FACTOR) * averageSpeed
     if (count($this->_times) > 2) {
         $lastSpeed = $this->_times[count($this->_times) - 1] - $this->_times[count($this->_times) - 2];
         if ($this->_averageSpeed == -1) {
             $this->_averageSpeed = $lastSpeed;
         }
         $this->_averageSpeed = ProgressBar::SMOOTHING_FACTOR * $lastSpeed + (1 - ProgressBar::SMOOTHING_FACTOR) * $this->_averageSpeed;
         $output .= ' ETA ' . $this->_mtime2str(round($this->_averageSpeed * ($this->_max - $progress)));
         $output .= ' ' . date('H:i:s', time() + round($this->_averageSpeed * ($this->_max - $progress)));
     }
     echo "\r" . $output . '  ';
 }

	public function pay()
	{
		$orderName = $_GET['orderName'];

		if (!$orderName) {
			$orderName = microtime();
		}

		$orderid = $_GET['orderid'];

		if (!$orderid) {
			$orderid = $_GET['single_orderid'];
		}

		$payHandel = new payHandle($this->token, $_GET['from'], 'daofu');
		$orderInfo = $payHandel->beforePay($orderid);

		if (!$orderInfo['price']) {
			exit('必须有价格才能支付');
		}

		$orderInfo = $payHandel->afterPay($orderid, '');
		$from = $payHandel->getFrom();
		$this->redirect('/index.php?g=Wap&m=' . $from . '&a=payReturn&token=' . $orderInfo['token'] . '&wecha_id=' . $orderInfo['wecha_id'] . '&nohandle=1&orderid=' . $orderid);
	}