Drupal template functions

files.php

// Prepare files from content type field

function prepare_files($node) {
  $files = field_get_items('node', $node, 'field_attachments');
  // break up and return nothing, if there are no files
  if (empty($files)) {
     return NULL;
  }
  // iterate through the links and render the output
  foreach ($files as $file) {
    if (empty($file['description'])) {
      $file_title = $file['filename'];
    }
    else {
      $file_title = $file['description'];
    }
    $file_type = array_pop(explode('/', file_get_mimetype($file['uri'])));
    $file_size = format_size($file['filesize']);
    $file_array[] = array(
      'href'  => file_create_url($file['uri']),
      'title' => $file_title.' (' .$file_type.', '.$file_size.')',
    );
  }
  // return the array with all the links
  return $file_array;
}


// Render files as links

print theme('links', array('links' => $file_array));


// Example output
//
// <ul>
//   <li>File number one (pdf, 23 KB)</li>
//   <li>File number two (doc, 1.4 MB)</li>
// </ul>

images.php

$image_path = $field_header_image[0]['uri'];


// Basic Image

print theme('image', array('path' => $image_path));


// Image with several attributes

$variables = array(
  'path' => $image_path, 
	'alt' => 'Test alt',
	'title' => 'Test title',
	'width' => '50%',
	'height' => '50%',
	'attributes' => array('class' => 'some-img', 'id' => 'my-img'),
	);

print theme('image', $variables);


// Render image with image style (e.g. scaled and/or cropped)

print theme('image_style', array('path' => $image_path, 'style_name' => 'content_box_header_image'));

// HINT: Check if the sites/default/files/styles folder is writable!

settings.php

/**
 * Include a local settings file if it exists.
 * http://drupal.org/node/1118520
 */
$local_settings = dirname(__FILE__) . '/settings.local.php';
if (file_exists($local_settings)) {
  include $local_settings;
}