Learning PHP 7 (Video 9)

This video tutorial focuses on enhancing PHP skills by introducing object-oriented programming concepts, specifically functions. It covers the basics of PHP functions, including their definition, usage, and the handling of parameters and return types. The tutorial also explores advanced techniques such as closures and variable functions, providing examples and explanations to help learners understand and apply these concepts effectively.

What is the main focus of the video tutorial?

• Improving PHP skills with object-oriented programming

• Learning JavaScript basics

• Understanding Python data structures

• Exploring HTML and CSS design

Which PHP version allows specifying scalar types for parameters and return types?

• PHP 8

• PHP 6

• PHP 5

• PHP 7

What is the purpose of enabling strict type checking in PHP?

• To prevent type coercion errors

• To improve execution speed

• To allow dynamic typing

• To enhance code readability

How does the 'apply funny style' function modify a string?

• Converts all characters to uppercase

• Converts all characters to lowercase

• Reverses the string

• Alternates between uppercase and lowercase for each letter

What is a closure or anonymous function in PHP?

• A function with a specific name

• A function that only accepts string parameters

• A function without a specific name

• A function that returns multiple values