SplObjectStorage::getInfo()

(PHP 5 >= 5.3.0, PHP 7)

Returns the data associated with the current iterator entry

说明

publicSplObjectStorage::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
)