(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.
Bu işlevin değiştirgesi yoktur.
The index corresponding to the position of the iterator.
Örnek 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();
}
?>
Yukarıdaki örnek şuna benzer bir çıktı üretir:
int(0)
object(stdClass)#2 (0) {
}
int(1)
object(stdClass)#3 (0) {
}