If Iterator::valid() returns false, the foreach() loop will be terminated.
Iterator::valid
(PHP 5, PHP 7, PHP 8)
Iterator::valid — Checks if current position is valid
Descrierea
abstract public Iterator::valid
(
) : bool
This method is called after Iterator::rewind() and Iterator::next() to check if the current position is valid.
Parametri
Această funcție nu are parametri.
Valorile întoarse
The return value will be casted to bool and then evaluated.
Întoarce valoarea true în cazul
succesului sau false în cazul eșecului.
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User Contributed Notes 2 notes
seva dot lapsha at gmail dot com ¶
14 years ago
Voitcus at gmail dot com ¶
11 years ago
If your class implements also ArrayAccess interface, you could use as valid() body
function valid(){
return $this->offsetExists($this->position);
}
