Lesson 1: Variables
Lesson 2: Operators
Lesson 3: Control Structures (if else elseif)
Lesson 4: HTML Forms
Lesson 5: Arrays and for/foreach
Lesson 6: HTML input types
Lesson 7: HTML Form Elements and while/dowhile
Lesson 8: HTML structure, tables and switch()
Lesson 9: PHP functions
Lesson 10: OOP