Download attached images from a wordpress blog and save them into folders based on post title under uploads dir

template-worker.php

<?php
/**
* Template Name: worker
*/

$args = array(
	    'posts_per_page'=> '-1',
	    'post_type'=> 'post',
	    'post_status' => array('publish'),
	    'order' => 'ASC',
	    'orderby' =>'date'
	);

$r = new WP_Query($args);


function download_image ($url, $the_filename, $path) {
	
    $upload_dir = wp_upload_dir();
    $path = $upload_dir['path'] .  '/' . $path . '/';

    if(!file_exists($path)) mkdir($path);

    $cookie = tempnam ("/tmp", "CURLCOOKIE");
    $ch = curl_init ($url);
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
    curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (Debian) Firefox/0.10.1");
    curl_setopt($ch, CURLOPT_COOKIEJAR, $cookie);
    curl_setopt($ch, CURLOPT_HEADER, false);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_BINARYTRANSFER,true);
    curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
    curl_setopt($ch, CURLOPT_TIMEOUT, 10);
    curl_setopt($ch, CURLOPT_MAXREDIRS, 5);
    curl_setopt($ch, CURLOPT_ENCODING, "");
    curl_setopt($ch, CURLINFO_EFFECTIVE_URL, true);
    curl_setopt($ch, CURLOPT_REFERER, "http://tomakefast.com");
    curl_setopt($ch, CURLOPT_POST, false);
    $rawdata=curl_exec($ch);
    curl_close($ch);
    file_put_contents( $path . $the_filename, $rawdata);
}
?>


<?php if ( $r->have_posts() ) : while ( $r->have_posts() ) : $r->the_post(); ?>
  <!-- post -->
  <h1><?php the_title(); ?></h1>
  <p><?php echo mysql2date( 'F j, Y', $post->post_date ); ?></p>
  <p><?php the_category(); ?></p>
  <blockquote><?php the_content(); ?></blockquote>

<?php
	$attachments = get_posts( array(
		'post_type' => 'attachment',
		'posts_per_page' => -1,
		'post_parent' => $post->ID,
	) );

	if ( $attachments ) {
		foreach ( $attachments as $attachment ) {
			$filename = basename($attachment->guid);
			$sanitized_title = sanitize_title(get_the_title($post->ID));		
			download_image($attachment->guid, $filename, $sanitized_title);				
			echo ('<p>'. $attachment->guid .'</p>' );
		}		
	}
?>
<hr/>

<?php endwhile; ?>

<?php else: ?>
  <!-- no posts found -->
<?php endif; ?>