DirectoryIterator::seek

(PHP 5 >= 5.3.0, PHP 7)

DirectoryIterator::seekSeek to a DirectoryIterator item

说明

public void DirectoryIterator::seek ( int $position )

Seek to a given position in the DirectoryIterator.

参数

position

The zero-based numeric position to seek to.

返回值

没有返回值。

范例

Example #1 DirectoryIterator::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';
}
?>

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