Client side scripts(JavaScript) are run faster but it has some limitations. The limitations are we can view the source code hence it is less secure. On the other hand PHP is executed on the server and the result is sent back to the client(browser) so it is impossible to view the source code.

Benefits of using PHP

Client side scripts(JavaScript) are run faster but it has some limitations. The limitations are we can view the source code hence it is less secure. On the other hand PHP is executed on the server and the result is sent back to the client(browser) so it is impossible to view the source code.

Benefits of PHP are given below 

• As PHP can be easily embedded into HTML moreover its easiness to convert a static website into a dynamic one.
• It is compatible with almost all databases
• It is platform independent can run on almost all OS (Windows, Linux, MAC)
• It is simple and easy to learn 
• It uses very small amount of system resources to run and faster.
• PHP provides security to prevent malicious attacks.
• Open source community supports PHP
• It is a free s/w by all means hence can be used to develop all types of web sites.