• 首页
  • vue
  • TypeScript
  • JavaScript
  • scss
  • css3
  • html5
  • php
  • MySQL
  • redis
  • jQuery
  • SplObjectStorage::setInfo()

    (PHP 5 >= 5.3.0, PHP 7)

    Sets the data associated with the current iterator entry

    说明

    publicSplObjectStorage::setInfo(mixed $data) : void

    Associates data, or info, with the object currently pointed to by the iterator.

    参数

    $data

    The data to associate with the current iterator entry.

    返回值

    没有返回值。

    范例

    SplObjectStorage::setInfo() example

    <?php
    $s = new SplObjectStorage();
    $o1 = new StdClass;
    $o2 = new StdClass;
    $s->attach($o1, "d1");
    $s->attach($o2, "d2");
    $s->rewind();
    while($s->valid()) {
        $s->setInfo("new");
        $s->next();
    }
    var_dump($s[$o1]);
    var_dump($s[$o2]);
    ?>
    

    以上例程的输出类似于:

    string(3) "new"
    string(3) "new"
    

    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::getInfo() Returns the data associated with the current iterator entry