It should be noted that next() sends an implicit null into the generator to ensure that code execution isn't blocked if the generator is expecting a value to be sent into it and the code doesn't execute any send()
(PHP 5 >= 5.5.0, PHP 7, PHP 8)
Generator::next — Resume execution of the generator
Calling Generator::next() has the same effect as calling
Generator::send() with null
as argument.
Această funcție nu are parametri.
Nu este întoarsă nici o valoare.
It should be noted that next() sends an implicit null into the generator to ensure that code execution isn't blocked if the generator is expecting a value to be sent into it and the code doesn't execute any send()