(PHP 5 >= 5.1.0, PHP 7)
SplObjectStorage::valid — Returns if the current iterator entry is valid
Returns if the current iterator entry is valid.
Esta função não possui parâmetros.
Returns TRUE if the iterator entry is valid, FALSE otherwise.
Exemplo #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();
}
?>
O exemplo acima irá imprimir algo similar à:
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