SplObjectStorage::rewind

(PHP 5 >= 5.1.0)

SplObjectStorage::rewind — Rewind the iterator to the first storage element

说明

public void SplObjectStorage::rewind ( void )

Rewind the iterator to the first storage element.

参数

此函数没有参数。

返回值

没有返回值。

范例

Example #1 SplObjectStorage::rewind() 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：

int(1)
int(0)

参见

SplObjectStorage::next() - Move to the next entry