src/Helpers/ReflectionHelper.php
public static function getMethodReflection($objectOrName, $methodName)
    {
        $cached = static::getReflectionFromCache(static::REFLECTION_METHOD, $objectOrName, $methodName);
        if ($cached !== null) {
            return $cached;
        }
        try {
            $reflection = new \ReflectionMethod($objectOrName, $methodName);
            return static::setReflectionToCache($reflection, static::REFLECTION_METHOD, $objectOrName, $methodName);
        } catch (\ReflectionException $exception) {
            $reflection = null;
        }
        return $reflection;
    }
public static function getMethodReflection($objectOrName, $methodName)
    {
        $cached = static::getReflectionFromCache(static::REFLECTION_METHOD, $objectOrName, $methodName);
        if ($cached !== null) {
            return $cached;
        }
        try {
            $reflection = new \ReflectionMethod($objectOrName, $methodName);
            return static::setReflectionToCache($reflection, static::REFLECTION_METHOD, $objectOrName, $methodName);
        } catch (\ReflectionException $exception) {
            $reflection = null;
        }
        return $reflection;
    }
Get class method reflection
@param string|object $objectOrName
@param string $methodName
@return null|\ReflectionMethod