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Iterator::valid

(PHP 5 >= 5.0.0, PHP 7)

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.

Returns:

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

Links:

http://php.net/manual/en/iterator.valid.php

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2016-02-24 15:53:31

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