PHP/String/chdir

chdir() function changes to the file directory.

 
Its syntax is: int chdir (string directory)
<?
    $newdir = "book";
    chdir($newdir) or die("Could not change to directory ($newdir)");
    $dh = opendir(".");
    print "Files:";
    while ($file = readdir($dh)) :
         print "$file <br>";
    endwhile;
    closedir($dh);
?>