The evolution of type declaration in PHP

PHP is undoubtedly one of the most used languages yet in 2023, and it is no wonder why. A short learning curve, easy syntax, and no restrictions are imposed on your code.
For the same reasons is not considered mature for great projects since after all everything is allowed, even though that is not the truth. and since version 5.4 PHP has evolved into this beautiful yet structured language.
For the sake of simplicity, only changes made on version 8.0 upward will be discussed.