DirectoryIterator::seek()

(PHP 5>=5.3.0,PHP 7)

Seek to a DirectoryIterator item

说明

publicDirectoryIterator::seek(int $position) : void

Seek to a given position in theDirectoryIterator.

参数

$position: The zero-based numeric position to seek to.

返回值

没有返回值。

范例

Example#1DirectoryIterator::seek()example

Seek to the fourth item in the directory containing the script.The first two are usually.and..

<?php
$iterator = new DirectoryIterator(dirname(__FILE__));
$iterator->seek(3);
if ($iterator->valid()) {
    echo $iterator->getFilename();
} else {
    echo 'No file at position 3';
}
?>

参见

DirectoryIterator::rewind() Rewind the DirectoryIterator back to the start
DirectoryIterator::next() Move forward to next DirectoryIterator item
SeekableIterator::seek() Seeks to a position