如何掃描一個目錄下的所有文件阿

如何掃描一個目錄下的所有文件阿

將一個目錄下面的所有的html列出來
當作連接顯示

<?php
// Note that !== did not exist until 4.0.0-RC2

if ($handle = opendir('/path/to/files')) {
    echo "Directory handle: $handlen";
    echo "Files:n";

    /* This is the correct way to loop over the directory. */
    while (false !== ($file = readdir($handle))) {
        echo "$filen";
    }

    /* This is the WRONG way to loop over the directory. */
    while ($file = readdir($handle)) {
        echo "$filen";
    }

    closedir($handle);
}
?>