The well-tested framework goes through regular updates, and it ensures longevity by providing the advantage of scalability and long-term maintenance. Developers can extend applications by adding extra functionalities as well.  With the PHP Unit Independent Library, developers can perform unit testing efficiently. It saves a significant amount of time and effort for the developers by automating functional testing. 

Symphony offers lifetime support regarding security requirements. Moreover, rock-solid stability and sustainability ensure a more developed framework.  Developers get unique functionalities from Symphony that let them make user-friendly applications. It also delivers three types of customizations, including; Full-stack, Microframework, and Brick by brick. 

Symphony has a high-end framework that provides fantastic comfort to the developers.  The inbuilt features of Symphony are dedicated to enhancing application development. The framework lets the users creating powerful applications with high performance as it consumes less memory.

Moreover, the interface is also very user-friendly. The dedicated methodology helps create dynamic and complex applications with excellent flexibility.