Iterator::valid

(PHP 5 >= 5.1.0)

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.