php-7.2 - w3toppers.com

count() emitting an E_WARNING

As we discussed, there are multiple ways to achieve the original functionality of count() and not emit an E_WARNING. In PHP 7.3 a new function was added is_countable, specifically to address the E_WARNING issue and the prevalence of applications adopting is_array($var) || $var instanceof \Countable in their code. In PHP 7.2, a Warning was added … Read more

What do strict types do in PHP?

From the Treehouse blog: With PHP 7 we now have added Scalar types. Specifically: int, float, string, and bool. By adding scalar type hints and enabling strict requirements, it is hoped that more correct and self-documenting PHP programs can be written. It also gives you more control over your code and can make the code … Read more