Checks if current position is valid


(PHP 5 >= 5.0.0)

Iterator::validChecks if current position is valid


abstract public boolean Iterator::valid ( void )

This method is called after Iterator::rewind() and Iterator::next() to check if the current position is valid.


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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