(PHP 5 >= 5.1.0)
SplObjectStorage::valid — Returns if the current iterator entry is valid
Returns if the current iterator entry is valid.
Тази функция няма параметри.
Returns TRUE if the iterator entry is valid, FALSE otherwise.
Example #1 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();
}
?>
Примерът по-горе ще изведе нещо подобно на:
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