Topics

• Variables
• Arrays
• Classes
• Hashes
• Autoloading Primer
• Blocks and Procs and Lambdas
• Classes and Objects
• Inheritance
• Control Flow
• ActiveRecord
• Strings
• Methods
• Naming Conventions
• ActiveRecord Query Interface
• PDO
• Outputting the Value of a Variable
• Design Patterns

Examples

• echo and print
• Creating a hash
• Inline class definition, no loading required
• Manual class loading with require
• Autoloading replaces manual class definition loading
• Autoloading as part of a framework solution
• Lambdas
• Refactoring existing classes to use Inheritance
• if, elsif, else and end
• Method Chaining in PHP
• Manipulating Array Elements
• Formatted strings
• Subclasses
• Dynamic class creation
• .where
• .where with an array
• Scopes
• where.not
• Views and Layouts
• Namespacing and Autoloading
• Capturing undeclared keyword arguments (double splat)
• Arrays and the splat (*) operator
• begin, end
• Ordering