设置生存时长

@param string $key key
@param int $seconds 生存时长（单位：秒）
@return mixed
11963
public function expire($key, $seconds) {
        return $this->getHandler($this->judge(__FUNCTION__))->expire($key, $seconds);
    }
1178628
public function store($key, $data, $minutes = 1)
    {
        $data = (!is_numeric($data)) ? serialize($data) : $data;

        return $this->connection()->setex($this->prefix.$key, $minutes * 60, $data);
    }
572959
public function add($key, $value, $minutes)
	{
		$key = $this->id($key);
		$seconds = $minutes * 60;

		return $this->apcu ? apcu_add($key, $value, $seconds) : apc_add($key, $value, $seconds);
	}
364744
public static function SecondsFromTime( $arg )
	{
		if ( $arg instanceof Undefined )
		{
			return Undefined::getValue();
		}

		if ( ! $arg instanceof TimeValue )
		{
			return Undefined::getValue();
		}

		/**
		 * @var TimeValue $time
		 */
		$time = $arg;
		// return $time->Value->format( "s" ) + 0;
		return DecimalValue::FromValue( ( $time->Value->format( "s" ) + ( @isset( $time->Value->microseconds ) ? "0." . $time->Value->microseconds : 0 ) ) );
	}
1251327
private static function _createKeys ($key) {
      //declaring this locally speeds things up a bit
      $pc2bytes0  = array (0,0x4,0x20000000,0x20000004,0x10000,0x10004,0x20010000,0x20010004,0x200,0x204,0x20000200,0x20000204,0x10200,0x10204,0x20010200,0x20010204);
      $pc2bytes1  = array (0,0x1,0x100000,0x100001,0x4000000,0x4000001,0x4100000,0x4100001,0x100,0x101,0x100100,0x100101,0x4000100,0x4000101,0x4100100,0x4100101);
      $pc2bytes2  = array (0,0x8,0x800,0x808,0x1000000,0x1000008,0x1000800,0x1000808,0,0x8,0x800,0x808,0x1000000,0x1000008,0x1000800,0x1000808);
      $pc2bytes3  = array (0,0x200000,0x8000000,0x8200000,0x2000,0x202000,0x8002000,0x8202000,0x20000,0x220000,0x8020000,0x8220000,0x22000,0x222000,0x8022000,0x8222000);
      $pc2bytes4  = array (0,0x40000,0x10,0x40010,0,0x40000,0x10,0x40010,0x1000,0x41000,0x1010,0x41010,0x1000,0x41000,0x1010,0x41010);
      $pc2bytes5  = array (0,0x400,0x20,0x420,0,0x400,0x20,0x420,0x2000000,0x2000400,0x2000020,0x2000420,0x2000000,0x2000400,0x2000020,0x2000420);
      $pc2bytes6  = array (0,0x10000000,0x80000,0x10080000,0x2,0x10000002,0x80002,0x10080002,0,0x10000000,0x80000,0x10080000,0x2,0x10000002,0x80002,0x10080002);
      $pc2bytes7  = array (0,0x10000,0x800,0x10800,0x20000000,0x20010000,0x20000800,0x20010800,0x20000,0x30000,0x20800,0x30800,0x20020000,0x20030000,0x20020800,0x20030800);
      $pc2bytes8  = array (0,0x40000,0,0x40000,0x2,0x40002,0x2,0x40002,0x2000000,0x2040000,0x2000000,0x2040000,0x2000002,0x2040002,0x2000002,0x2040002);
      $pc2bytes9  = array (0,0x10000000,0x8,0x10000008,0,0x10000000,0x8,0x10000008,0x400,0x10000400,0x408,0x10000408,0x400,0x10000400,0x408,0x10000408);
      $pc2bytes10 = array (0,0x20,0,0x20,0x100000,0x100020,0x100000,0x100020,0x2000,0x2020,0x2000,0x2020,0x102000,0x102020,0x102000,0x102020);
      $pc2bytes11 = array (0,0x1000000,0x200,0x1000200,0x200000,0x1200000,0x200200,0x1200200,0x4000000,0x5000000,0x4000200,0x5000200,0x4200000,0x5200000,0x4200200,0x5200200);
      $pc2bytes12 = array (0,0x1000,0x8000000,0x8001000,0x80000,0x81000,0x8080000,0x8081000,0x10,0x1010,0x8000010,0x8001010,0x80010,0x81010,0x8080010,0x8081010);
      $pc2bytes13 = array (0,0x4,0x100,0x104,0,0x4,0x100,0x104,0x1,0x5,0x101,0x105,0x1,0x5,0x101,0x105);
      $masks = array (4294967295,2147483647,1073741823,536870911,268435455,134217727,67108863,33554431,16777215,8388607,4194303,2097151,1048575,524287,262143,131071,65535,32767,16383,8191,4095,2047,1023,511,255,127,63,31,15,7,3,1,0);

      //how many iterations (1 for des, 3 for triple des)
      $iterations = ((strlen($key) >= 24) ? 3 : 1);
      //stores the return keys
      $keys = array (); // size = 32 * iterations but you don't specify this in php
      //now define the left shifts which need to be done
      $shifts = array (0, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0);
      //other variables
      $m=0;
      $n=0;

      for ($j=0; $j<$iterations; $j++) { //either 1 or 3 iterations
        $left = (ord($key{$m++}) << 24) | (ord($key{$m++}) << 16) | (ord($key{$m++}) << 8) | ord($key{$m++});
        $right = (ord($key{$m++}) << 24) | (ord($key{$m++}) << 16) | (ord($key{$m++}) << 8) | ord($key{$m++});

        $temp = (($left >> 4 & $masks[4]) ^ $right) & 0x0f0f0f0f; $right ^= $temp; $left ^= ($temp << 4);
        $temp = (($right >> 16 & $masks[16]) ^ $left) & 0x0000ffff; $left ^= $temp; $right ^= ($temp << -16);
        $temp = (($left >> 2 & $masks[2]) ^ $right) & 0x33333333; $right ^= $temp; $left ^= ($temp << 2);
        $temp = (($right >> 16 & $masks[16]) ^ $left) & 0x0000ffff; $left ^= $temp; $right ^= ($temp << -16);
        $temp = (($left >> 1 & $masks[1]) ^ $right) & 0x55555555; $right ^= $temp; $left ^= ($temp << 1);
        $temp = (($right >> 8 & $masks[8]) ^ $left) & 0x00ff00ff; $left ^= $temp; $right ^= ($temp << 8);
        $temp = (($left >> 1 & $masks[1]) ^ $right) & 0x55555555; $right ^= $temp; $left ^= ($temp << 1);

        //the right side needs to be shifted and to get the last four bits of the left side
        $temp = ($left << 8) | (($right >> 20 & $masks[20]) & 0x000000f0);
        //left needs to be put upside down
        $left = ($right << 24) | (($right << 8) & 0xff0000) | (($right >> 8 & $masks[8]) & 0xff00) | (($right >> 24 & $masks[24]) & 0xf0);
        $right = $temp;

        //now go through and perform these shifts on the left and right keys
        for ($i=0; $i < count($shifts); $i++) {
          //shift the keys either one or two bits to the left
          if ($shifts[$i] > 0) {
             $left = (($left << 2) | ($left >> 26 & $masks[26]));
             $right = (($right << 2) | ($right >> 26 & $masks[26]));
          } else {
             $left = (($left << 1) | ($left >> 27 & $masks[27]));
             $right = (($right << 1) | ($right >> 27 & $masks[27]));
          }
          $left = $left & -0xf;
          $right = $right & -0xf;

          //now apply PC-2, in such a way that E is easier when encrypting or decrypting
          //this conversion will look like PC-2 except only the last 6 bits of each byte are used
          //rather than 48 consecutive bits and the order of lines will be according to
          //how the S selection functions will be applied: S2, S4, S6, S8, S1, S3, S5, S7
          $lefttemp = $pc2bytes0[$left >> 28 & $masks[28]] | $pc2bytes1[($left >> 24 & $masks[24]) & 0xf]
                  | $pc2bytes2[($left >> 20 & $masks[20]) & 0xf] | $pc2bytes3[($left >> 16 & $masks[16]) & 0xf]
                  | $pc2bytes4[($left >> 12 & $masks[12]) & 0xf] | $pc2bytes5[($left >> 8 & $masks[8]) & 0xf]
                  | $pc2bytes6[($left >> 4 & $masks[4]) & 0xf];
          $righttemp = $pc2bytes7[$right >> 28 & $masks[28]] | $pc2bytes8[($right >> 24 & $masks[24]) & 0xf]
                    | $pc2bytes9[($right >> 20 & $masks[20]) & 0xf] | $pc2bytes10[($right >> 16 & $masks[16]) & 0xf]
                    | $pc2bytes11[($right >> 12 & $masks[12]) & 0xf] | $pc2bytes12[($right >> 8 & $masks[8]) & 0xf]
                    | $pc2bytes13[($right >> 4 & $masks[4]) & 0xf];
          $temp = (($righttemp >> 16 & $masks[16]) ^ $lefttemp) & 0x0000ffff;
          $keys[$n++] = $lefttemp ^ $temp; $keys[$n++] = $righttemp ^ ($temp << 16);
        }
      } //for each iterations
      //return the keys we've created
      return $keys;
    }
898132
public function cache($seconds = null)
    {
        if ($seconds === null) {
            $this->cacheTime = $this->defaultCacheTime;
        } elseif ($seconds === false) {
            $this->cacheTime = false;
        } else {
            $this->cacheTime = (int)$seconds;
        }
        return $this;
    }
270168
public function expire($key, $seconds)
    {
        try {
            $value = $this->get($key);
        } catch (KeyNotFoundException $e) {
            return false;
        }

        return $this->getClient()->replace(
            $key,
            Util::getDataWithExpire($value, $seconds, time()),
            $seconds
        );
    }
275568
public function remember($seconds = null, CacheInterface $cache = null)
	{
		if (is_null($cache))
		{
			// use the built in cache interface
			$cache = new Cache;
		}
		$this->cache = $cache;
		if (is_null($seconds))
		{
			$this->seconds = $this->defaultRemember;
		}
		else
		{
			$this->seconds = $seconds;
		}

		return $this;
	}
1047391
public function setExpire(int $seconds) : bool
        {
                return $this->_redis->expire($this->_key, $seconds) > 0 ? true : false;
        }
1013979
public static function get($key = '', $secondkey = false)
    {
        $name = self::$prefix . $key;

        if (empty($key)) {
            return isset($_SESSION) ? $_SESSION : null;
        } elseif ($secondkey == true) {
            if (isset($_SESSION[$name][$secondkey])) {
                return $_SESSION[$name][$secondkey];
            }
        }

        return isset($_SESSION[$name]) ? $_SESSION[$name] : null;
    }
181206
public function waitForLink($link, $seconds = null)
    {
        $message = $this->formatTimeOutMessage('Waited %s seconds for link', $link);

        return $this->waitUsing($seconds, 100, function () use ($link) {
            return $this->seeLink($link);
        }, $message);
    }
314082
public function lock(string $name, int $seconds = 0): Lock
    {
        return new CouchbaseLock($this->bucket, $this->prefix.$name, $seconds);
    }
1105216
public function remember($seconds, $key = null)
    {
        list($this->cacheSeconds, $this->cacheKey) = [$seconds, $key];

        return $this;
    }
560231
public function expiresIn( int $seconds ) : Token
	{
		if ( $seconds > 0 )
		{
			$this->expiry = new DateTimeImmutable( sprintf( '+%d seconds', $seconds ) );

			return $this;
		}

		throw (new InvalidExpiryInterval())->withSeconds( $seconds );
	}
326455
public function generate($key)
	{
		$key = $result = preg_replace('/[^a-zA-Z0-9]+/', '', $key);

		$extra = sha1($_SERVER['REMOTE_ADDR'] . $_SERVER['HTTP_USER_AGENT']);
		// time() is used for token expiration
		$token = base64_encode(time() . $extra . $this->randomString(32));
		$this->session->set($this->session_prefix . $key, $token);

		return $token;
	}
800069
public static function secondsTo($unit, $seconds)
    {
        $method = $unit.'ToSeconds';

        return  (float) $seconds / (float) self::$method();
    }
1115795
public function orphanedFor($master, $seconds)
    {
        $expiresAt = Chronos::now()->getTimestamp() - $seconds;

        return collect($this->allOrphans($master))->filter(function ($recordedAt, $_) use ($expiresAt) {
            return $expiresAt > $recordedAt;
        })->keys()->all();
    }