Iterator::valid
(PHP 5, PHP 7, PHP 8)
Iterator::valid — Checks if current position is valid
Description
public Iterator::valid(): bool
This method is called after Iterator::rewind() and Iterator::next() to check if the current position is valid.
Parameters
This function has no parameters.
Return Values
The return value will be casted to bool and then evaluated.
Returns true on success or false on failure.
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