// GESTION DE DOCUMENTS DANS LES PAGES

function wp_get_attachment( $attachment_id ) {
	$attachment = get_post( $attachment_id );
	$formats = array('xls', 'pdf', 'doc', 'docx', 'csv', 'mp3', 'odt');
	if(in_array(ext($attachment->guid), $formats))
	{
		return array(
			'alt' => get_post_meta( $attachment->ID, '_wp_attachment_image_alt', true ),
			'caption' => $attachment->post_excerpt,
			'description' => $attachment->post_content,
			'href' => get_permalink( $attachment->ID ),
			'src' => $attachment->guid,
			'title' => $attachment->post_title
		);
	}
}

function getSize($file){
	$bytes = filesize($file);
	$s = array('b', 'Kb', 'Mb', 'Gb');
	$e = floor(log($bytes)/log(1024));
	return sprintf('%.2f '.$s[$e], ($bytes/pow(1024, floor($e))));
}

function ext($file){

	$file = substr($file,strlen($file)-5);
	$file = substr($file,strpos($file,".")+1);
	return $file;
}
function img($ext){
	switch ($ext) {
		case 'xls':
			return "/img/type_files/xls.png";
		break;

		case 'mp3':
			return "/img/type_files/mp3.png";
		break;
		
		case 'odt':
			return "/img/type_files/odt.png";
		break;
		
		case 'pdf':
			return "/img/type_files/pdf.png";
		break;
		
		case 'doc':
			return "/img/type_files/doc.png";
		break;

		case 'docx':
			return "/img/type_files/doc.png";
		break;
		
		case 'csv':
			return "/img/type_files/csv.png";
		break;
				
		default:
			return "/img/type_files/_blank.png";
		break;
	}
}

<div class="base_docu">
	​<?php 
		$listDoc = "";
		$listDoc = array();
		$i=0;

		$args = array( 'post_type' => 'attachment', 'numberposts' => 123456789, 'post_parent' => get_the_ID()); 
		$attachments = get_posts( $args );
		
		if ($attachments) {						
			foreach ( $attachments as $att ) {
				$a = wp_get_attachment($att->ID);
				if($a){
					$listDoc[$i]['id'] = $att->ID;
					$listDoc[$i]['title'] = $a['title'];
					$listDoc[$i]['alt'] = $a['alt'];
					$listDoc[$i]['caption'] = $a['caption'];
					$listDoc[$i]['description'] = $a['description'];
					$listDoc[$i]['href'] = wp_get_attachment_url($att->ID);
					$listDoc[$i]['src'] = $a['src'];
					$listDoc[$i]['date'] =  $date;

					$listDoc[$i]['size'] = "size";

					$listDoc[$i]['ext'] = ext($listDoc[$i]['src']);
					$listDoc[$i]['img'] = img($listDoc[$i]['ext']);
					$i++;
				}
			}
		}
	?>						
	<?php for ($k=0;$k<count($listDoc);$k++) { ?>


<div class="un_doc">
			<a href="<?php echo $listDoc[$k]['href']; ?>" title="<?php echo ucfirst($listDoc[$k]['title']); ?>" rel="attachment" target="_blank">
				<span class="img">
					<img src="<?php bloginfo("stylesheet_directory"); ?><?php echo $listDoc[$k]['img']; ?>" />
				</span>
				<span class="txt">
					
<?php echo ucfirst($listDoc[$k]['title']); ?>
					
<?php echo strtoupper($listDoc[$k]['ext']); ?>
					
<?php echo $listDoc[$k]['description']; ?>
				</span>
			</a>
</div>


	<?php }	?>
</div>