As in many programming languages, such as Java, C #, and many others, can you define in PHP the type of variable we want to initialize in a method's parameters?
The code below is an example of what I'm talking about, but in Java
//Nesse método, foi especificado que a variável "i" deverá ser do tipo int
public void executar(int i) {
}
You can define whether the type is array or object. In PHP 7 this functionality has been extended, and today it is possible to use this with int, float and the like. To use this functionality is very simple. Example:
public function teste(int $a, string $b)
{
}
You can also specify the return type (PHP7) by doing this:
public function sum(int $a, int $b) : int
{
}