Learning PHP 7 (Video 2)

This video tutorial covers the key differences and improvements in PHP 7 compared to previous versions. It highlights performance enhancements, such as increased request handling and reduced memory usage. The introduction of scalar type hints and return types is discussed, along with new operators like the spaceship and null coalesce operators. Deprecated features and improved exception handling are also covered. The video concludes with a brief overview of the next steps, including setting up a PHP 7 environment.

What are the main performance improvements of PHP 7 compared to PHP 5.6?

Explain the significance of scalar type hints and return types introduced in PHP 7.

Describe the new spaceship operator and its purpose in PHP 7.

What changes were made to error handling in PHP 7?

How can one migrate from a previous version of PHP to PHP 7?