(PHP 5 >= 5.1.0)
SplObjectStorage::key — Returns the index at which the iterator currently is
Returns the index at which the iterator currently is.
Тази функция няма параметри.
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();
}
?>
Примерът по-горе ще изведе нещо подобно на:
int(0) object(stdClass)#2 (0) { } int(1) object(stdClass)#3 (0) { }