Iterator::valid
Iterator::valid
(PHP 5 >= 5.0.0, PHP 7)
Iterator::valid — Checks if current position is valid
Description
abstract public boolean Iterator::valid ( void )
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 boolean and then evaluated. Returns TRUE
on success or FALSE
on failure.
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https://secure.php.net/manual/en/iterator.valid.php