(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.
Această funcție nu are parametri.
The index corresponding to the position of the iterator.
Example #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();
}
?>
Exemplul de mai sus va afișa ceva similar cu:
int(0)
object(stdClass)#2 (0) {
}
int(1)
object(stdClass)#3 (0) {
}