(PHP 5 >= 5.1.0, PHP 7)
Returns if the current iterator entry is valid
public bool SplObjectStorage::valid ( void )
Returns if the current iterator entry is valid.
Returns:
Returns TRUE
if the iterator entry is valid, FALSE
otherwise.
Examples:
SplObjectStorage::valid() example
<?php $s = new SplObjectStorage(); $o1 = new StdClass; $o2 = new StdClass; $s->attach($o1, "d1"); $s->attach($o2, "d2"); $s->rewind(); while($s->valid()) { echo $s->key()."\n"; $s->next(); } ?>
The above example will output something similar to:
0 1
See also:
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