DirectoryIterator::current

(PHP 5)

DirectoryIterator::current — Return the current DirectoryIterator item.

说明

public DirectoryIterator DirectoryIterator::current ( void )

Get the current DirectoryIterator item.

参数

此函数没有参数。

返回值

The current DirectoryIterator item.

范例

Example #1 A DirectoryIterator::current() example

This example will list the contents of the directory containing the script.

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

以上例程的输出类似于：

0 => .
1 => ..
2 => apple.jpg
3 => banana.jpg
4 => index.php
5 => pear.jpg

参见

DirectoryIterator::key() - Return the key for the current DirectoryIterator item
DirectoryIterator::next() - Move forward to next DirectoryIterator item
DirectoryIterator::rewind() - Rewind the DirectoryIterator back to the start
DirectoryIterator::valid() - Check whether current DirectoryIterator position is a valid file
Iterator::current() - 返回当前元素