Get a value in the Cache for the specified key.

@param string $key The key name
@return mixed Cache content (null if the key does not exist).
324833
public function get($key)
    {
        if (!$this->isEnabled()) {
            return null;
        }

        $value = $this->server->get($this->prefix . $key);

        return false === $value ? null : $value;
    }
772387
public function get($key = '')
    {
        try {
            if ($this->cacheInstance !== NULL && is_object($this->cacheInstance)) {
                /**
                 * @var $cache object
                 */
                if (is_array($key)) {
                    $cache = $this->cacheInstance->getItems($key);
                } else {
                    $cache = $this->cacheInstance->getItem($key);
                }
                if (!$cache->isHit()) {
                    $result = NULL;
                    $this->debug->debug(__FUNCTION__, 'Unavailable Cache for Key: ' . $key);
                } else {
                    $result = $cache->get();
                    $this->debug->debug(__FUNCTION__, 'Get Cache from Key: ' . $key . ', result: ' . json_encode($result));
                }
                $message = 'Final get Content from Key: ' . $key . ' => Output result: ' . json_encode($result);
                $this->debug->info(__FUNCTION__, $message);

                return $result;
            } else {
                $this->debug->error(__FUNCTION__, 'Unavailable cacheInstance');

                return NULL;
            }
        }
        catch (\Exception $e) {
            $message = 'Error File: ' . $e->getFile() . ' - Line: ' . $e->getLine() . ' - Code: ' . $e->getCode() . ' - Message: ' . $e->getMessage();
            $this->debug->error(__FUNCTION__, $message);

            return $message;
        }
    }
1094735
public function getValue( $key )
	{
		if( !isset( $this->_values[ $key ] ) ) {
			return null;
		}

		return $this->_values[ $key ];
	}
1050692
public function getValue($key) {
		if (isset ( $this->a [$key] )) {
			return $this->a [$key];
		} else {
			return NULL;
		}
	}
179621
public function offsetGet($key) {
		$hashCode = HashUtils::hashCode($key);
		if (isset($this->values[$hashCode])) {
			return $this->values[$hashCode];
		}
		return null;
	}
337863
protected function retrieve($key)
    {
        if (($cache = $this->memcache->get($this->key . $key)) !== false) {
            return $cache;
        }

        return null;
    }
29661
public function GetCache($key)
    {
		return (array_key_exists($key, $this->_cache) ? $this->_cache[$key] : null);
	}
582406
protected function getCache($key)
    {
        if (array_key_exists($key, $this->cache)) {
            return $this->cache[$key];
        }
        return false;
    }
691244
function getCache( $key ) {

        return isset( $this->_cache[ $key ] ) ? $this->_cache[ $key ] : null;

    }
940468
public function get($key)
    {
        $entry = $this->redis->hGet($this->cacheKey, $key);

        if ($entry) {
            $entry = unserialize($entry);

            if ($entry['expire']) {
                // Check expires
                $now = new \DateTime('now', new \DateTimeZone('UTC'));
                if ((int) $now->format('U') > $entry['expire']) {
                    $this->remove($key);

                    return null;
                }
            }

            return $entry['value'];
        }

        return null;
    }
261532
public function get($key) {
        if (!isset($this->cache[$key]) OR $this->cache[$key]['ttl'] <= $this->getNow()) {
            return null;
        }
        return $this->cache[$key]['value'];
    }
503513
public function get($key)
    {
        if (isset($this->cache[$key])) {
            list($expires, $value) = $this->cache[$key];
            if (!$expires || ($expires >= microtime(true))) {
                return $value;
            }
            unset($this->cache[$key]);
        }
        return false;
    }
1221067
public function get($key)
    {
        $filename = $this->getKeyCode($key);

        if ($this->fileExists($filename)) {
            $value = $this->read($filename);
        } else {
            return null;
        }

        return json_decode($value, true);
    }
472044
protected function retrieve($key)
    {
        if (!$this->has($key)) {
            return null;
        }

        $cache = file_get_contents($this->path . $key);

        // compare the timestamp to the current time when we read the file.
        if (time() >= substr($cache, 0, 10)) {
            $this->forget($key);
            return null;
        }

        return unserialize(substr($cache, 10));
    }
1217973
public function get($key)
    {
        $cache_data = $this->getItem($key);
        if ($cache_data === false || !is_array($cache_data)) {
            return false;
        }

        return $cache_data['data'];
    }
639709
public function get($key)
  {
    $uuid = uniqid(static::CACHE_CHECK_PREFIX, true);
    $value = wp_cache_get($key, $this->getPrefix(), false, $uuid);

    if ($value !== $uuid) {
      return $value;
    }
  }
1020145
protected function getCachedValue($key)
    {
        $this->cache->setPrefix($this->dataProvider->getCachePrefix());
        return $this->cache->get($key);
    }