Inserting multiple files for an item.

simple_insert_files_for_item_loop.php

<?php

$files = array(
            'http://example.com/file1.txt' => array(
               'Dublin Core' => array(
                   'Title' => array('text' => 'Title of my first item'),
                   'Description' => array('text' => 'Description of my first item.')
               )
            ),
            'http://example.com/file2.txt' => array(
               'Dublin Core' => array(
                   'Title' => array('text' => 'Title of my second item'),
                   'Description' => array('text' => 'Description of my second item.')
               )
            ),
         );

foreach ($files as $url => $metadata) {
    insert_files_for_item($item, 'URL', array('source' => $url, 'name' => null, 'metadata' => $metadata);
}