// show_iptc: Show IPTC metadata on picture.php if asked by user
$conf['show_iptc'] = true;

// To know how to associate iptc_field with their meaning, use
// tools/metadata.php
$conf['show_iptc_mapping'] = array(
  'iptc_keywords'        => '2#025',
  'iptc_caption_writer'  => '2#122',
  'iptc_title'           => '2#005',
  'iptc_caption'         => '2#120',
  'iptc_license'         => '2#116'
  );

// use_iptc: Use IPTC data during database synchronization with files
// metadata
$conf['use_iptc'] = true;

// use_iptc_mapping : in which IPTC fields will Piwigo find image
// information ? This setting is used during metadata synchronisation. It
// associates a piwigo_images column name to a IPTC key
$conf['use_iptc_mapping'] = array(
  'keywords'        => '2#025',
  'author'          => '2#080',
  'name'            => '2#005',
  'comment'         => '2#120'
  );