(PHP 5 >= 5.1.0, PHP 7)
SplObjectStorage::key — Returns the index at which the iterator currently is
Returns the index at which the iterator currently is.
Esta função não possui parâmetros.
The index corresponding to the position of the iterator.
Exemplo #1 SplObjectStorage::key() example
<?php
$s = new SplObjectStorage();
$o1 = new StdClass;
$o2 = new StdClass;
$s->attach($o1, "d1");
$s->attach($o2, "d2");
$s->rewind();
while($s->valid()) {
$index = $s->key();
$object = $s->current(); // similar to current($s)
var_dump($index);
var_dump($object);
$s->next();
}
?>
O exemplo acima irá imprimir algo similar à:
int(0)
object(stdClass)#2 (0) {
}
int(1)
object(stdClass)#3 (0) {
}