PHP method to copy a single file or recursively copy an entire directory

copyr.php

/**
 * Copy a single file or recursively copy a directory along with all contents
 * @param string $source Source path
 * @param string $dest Destination path
 * @return bool Returns TRUE on success, FALSE on failure
 */
  function copyr($source, $dest)
  {
    // if only one file
    if (is_file($source)) {
    return copy($source, $dest);
    }
    if (!is_dir($dest)) {
    mkdir($dest);
    }
    // Loop through the folder
    $dir = dir($source);
    while (false !== $entry = $dir->read()) {
      if ($entry == '.' || $entry == '..') {
      continue;
      }
      // Deep copy directories
      if ($dest !== "$source/$entry") {
      $this->copyr("$source/$entry", "$dest/$entry");
      }
    }
    $dir->close();
    return true;
}