DirectoryIterator::next

(PHP 5)

DirectoryIterator::next — Move forward to next DirectoryIterator item

说明

public void DirectoryIterator::next ( void )

Move forward to the next DirectoryIterator item.

参数

此函数没有参数。

返回值

没有返回值。

范例

Example #1 DirectoryIterator::next() example

List the contents of a directory using a while loop.

  <?php
$iterator  = new  DirectoryIterator ( dirname ( __FILE__ ));
while( $iterator -> valid ()) {
    echo  $iterator -> getFilename () .  "\n" ;
     $iterator -> next ();
}
 ?>

以上例程的输出类似于：

.
..
apple.jpg
banana.jpg
index.php
pear.jpg

参见

DirectoryIterator::current() - Return the current DirectoryIterator item.
DirectoryIterator::key() - Return the key for the current DirectoryIterator item
DirectoryIterator::rewind() - Rewind the DirectoryIterator back to the start
DirectoryIterator::valid() - Check whether current DirectoryIterator position is a valid file
Iterator::next() - 向前移动到下一个元素