Checks if current position is valid

Iterator::valid

(PHP 5 >= 5.0.0)

Iterator::valid — Checks 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.

The return value will be casted to boolean and then evaluated. Returns TRUE on success or FALSE on failure.