获得实例实现
@param  string $name 创建实例方式:类名或闭包函数
@return mixed
500733
private function getClosure($name) {
        return isset($this->bindings[$name]) ? $this->bindings[$name]['closure'] : $name;
    }
170470
public function get(string $name)
    {
        if (!isset($this->_data[$name])) {
            return null;
        }

        return $this->_data[$name];
    }
976699
public function get($name)
    {
        if (is_null($name) || empty($name))
        {
            return null;
        }

        $loweredKey = strtolower($name);

        if (array_key_exists($loweredKey, $this->keyMap) === false)
        {
            return null;
        }

        $originalKey = $this->keyMap[$loweredKey];

        return $this->headerMap[$originalKey];
    }
1363871
public function get($name) {
        $query = $this->queryAll();
        return isset($query[$name]) ? $query[$name] : null;
    }
1151726
protected function getName($name)
    {
        $renames = $this->getRenames();

        if (isset($renames[$name])) {
            return $renames[$name];
        }
        return $name;
    }
917772
public function getInfo($name = '') {
		return isset($this->info[$name]) ? $this->info[$name] : $this->info;
	}
934560
public function get($name)
    {
        if (isset($this->_loaded[$name])) {
            return $this->_loaded[$name];
        }

        return null;
    }
1254741
public function get($name = null)
    {
        if (func_num_args()) {
            return $this->_get($name);
        }
        $result = [];
        foreach ($this->_values as $key => $data) {
            foreach ($data as $extra => $value) {
                if ($extra === '') {
                    $result[$key] = $this->_get($key);
                } else {
                    $result[$key][$extra] = $this->_get($key . ':' . $extra);
                }
            }
        }
        return $result;
    }
684977
public function parameter(string $name): ?string
    {
        if (isset($this->parameters[$name])) {
            return $this->parameters[$name];
        }

        return null;
    }
1352695
public function get(string $name)
    {
        if (isset(self::$globalOptions[$name])) {
            return self::$globalOptions[$name];
        } else {
            if (isset($this->options[$name])) {
                return $this->options[$name];
            } else {
                return null;
            }
        }
    }
286451
public function get(string $name): ?string
    {
        $key = strtolower($name);
        if (!isset($this->headers[$key])) {
            return null;
        }

        return $this->headers[$key][1];
    }
473331
public function getValue(string $name)
    {
        if (isset($this->valuesAsArray[$name])) {
            return $this->valuesAsArray[$name];
        }

        if (!array_key_exists($name, $this->values)) {
            return null;
        }

        $return = $this->values[$name]['value'] ?? null;

        if ($return === '') {
            $return = null;
        }

        return $return;
    }
655580
public function getValue($name)
    {

        $returnValue = '';

        if (array_key_exists($name, $this->variablesForTemplate)) {
            $returnValue = $this->variablesForTemplate[$name];
        }

        return $returnValue;
    }
636722
public function get($name = '')
    {
        $data = $this->filter($_GET);

        if (empty($name)) {
            return $data;
        } else {
            return isset($data[$name]) ? $data[$name] : null;
        }
    }
902389
public function &__get($name)
	{
		try {
			return parent::__get($name);
		} catch (MemberAccessException $e) {
			if (isset($this->data[$name])) {
				return $this->data[$name];
			}
			throw $e;
		}

	}
1031727
public function getParam($name)
        {
            $name = (string) $name;

            if (!array_key_exists($name, $this->_params)) {
                return null;
            }

            return $this->_params[$name];
        }
421348
public function get(string $name)
    {
        self::doInit();

        if (!isset($_SESSION[$name])) {
            return null;
        }

        return $_SESSION[$name];
    }