last modified directory time date formatting

<?php
// print "John Pfeiffer - last modified: " . date("l, dS F, Y", getlastmod() ) . "<br />\n";
  $targetDirectory = getcwd() . "/.";
  $lastModified = filemtime( $targetDirectory );
//  print date( "c", $lastModified );  // ISO 8601 , or could be "r" RFC 2822
  print "John Pfeiffer - last modified: " . date("l, dS F, Y", $lastModified ) . "<br />\n";

?>