0-1: Theoretical Knowledge and worked only on College Projects.
1-2 : Basic use of PHP. Creation of simple forms. Saving and Display of Data. No Framework
2-3 : Basic use of MVC framework like Codeigniter, Laravel etc. No use of design patterns (MVC will not be considered a design pattern in this case)
3-4: Usage and Understanding of PHP’s Magic Functions.
4-5 : Usage of PHP’s inbuilt Interfaces
5-6 : Knowledge and Experience with Design patterns.
6-7 : Creation of C / C++ binding for PHP
7-8 : Contribution to existing open source projects. Contribution includes feature contribution and / or bug fixes.
8-10 : Creation / authoring of open source libraries.