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  • 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