SplObjectStorage::getInfo()
(PHP 5 >= 5.3.0, PHP 7)
Returns the data associated with the current iterator entry
说明
public SplObjectStorage::getInfo(void) : mixed
Returns the data, or info, associated with the object pointed by the current iterator position.
参数
此函数没有参数。
返回值
The data associated with the current iterator position.
范例
SplObjectStorage::getInfo() 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) $data = $s->getInfo(); var_dump($object); var_dump($data); $s->next(); } ?>
以上例程的输出类似于:
object(stdClass)#2 (0) { } string(2) "d1" object(stdClass)#3 (0) { } string(2) "d2"
参见
- SplObjectStorage::current() Returns the current storage entry
- SplObjectStorage::rewind() Rewind the iterator to the first storage element
- SplObjectStorage::key() Returns the index at which the iterator currently is
- SplObjectStorage::next() Move to the next entry
- SplObjectStorage::valid() Returns if the current iterator entry is valid
- SplObjectStorage::setInfo() Sets the data associated with the current iterator entry
This method, SplObjectStorage::getInfo() does NOT exist on PHP 5.2.13. However, PHP 5.3.2 and above does have it. To find out yourself, use this snippet. $> php -r "print_r(get_class_methods(new SplObjectStorage()));" Results for PHP 5.2.13 ==== Array ( [0] => attach [1] => detach [2] => contains [3] => count [4] => rewind [5] => valid [6] => key [7] => current [8] => next [9] => unserialize [10] => serialize ) Results for PHP 5.3.2 ===== Array ( [0] => attach [1] => detach [2] => contains [3] => addAll [4] => removeAll [5] => getInfo [6] => setInfo [7] => count [8] => rewind [9] => valid [10] => key [11] => current [12] => next [13] => unserialize [14] => serialize [15] => offsetExists [16] => offsetSet [17] => offsetUnset [18] => offsetGet )