First let’s create the function and the shortcode. Go to your themes folder and open functions.php. If you don’t have one, just create a new file named functions.php and save it to your themes folder.

Create a new function with the following code.

function get_attachment_icons($echo = false){
	//PDF Documents
	if ( $files = get_children(array(   //do only if there are attachments of these qualifications
	 'post_parent' => get_the_ID(),
	 'post_type' => 'attachment',
	 'numberposts' => -1,
	 'post_mime_type' => 'application/pdf',  //MIME Type condition
	 ))){
	 foreach( $files as $file ){ //setup array for more than one file attachment
		$file_link = wp_get_attachment_url($file->ID);    //get the url for linkage
		$file_name_array=explode("/",$file_link);
		$file_name=array_reverse($file_name_array);  //creates an array out of the url and grabs the filename
		$sAttachmentString .= "<div class='documentIcons'>";
		$sAttachmentString .= "<a href='$file_link'>";
		$sAttachmentString .= "<img src='".get_bloginfo('template_directory')."/images/mime/pdf.png'/>";
		$sAttachmentString .= "</a>";
		$sAttachmentString .= "<br>";
		$sAttachmentString .= "<a href='$file_link'>$file_name[0]</a>";
		$sAttachmentString .= "</div>";
		}
	}

This block is for PDF files. You can tell that by the line that says ‘post_mime_type’ => ‘application/pdf’,. Just change the MIME type for the type of file you are expecting. In the final code, I’ve added a new loop for each MIME type below:

• PDF = application/pdf
• Word Documents = application/msword
• PowerPoint = application/vnd.ms-powerpoint
• Excel = application/vnd.ms-excel
• Zip = application/zip
• Audio files = audio/mpeg

Now at the bottom of the function we will add the hook for the shortcode and we’re done!

add_shortcode('attachment icons', 'get_attachment_icons');

Usage

Just include a shortcode in any post

[attachment icons]

or place one line in your single.php file (or where ever you’d like the document icons to show up)

<?php get_attachment_icons($echo=true); ?>

Final Code

Here is the code altogether for your copying and pasting pleasure. Enjoy!

function get_attachment_icons($echo = false){
	$sAttachmentString = "<div class='documentIconsWrapper'> \n";
	if ( $files = get_children(array(   //do only if there are attachments of these qualifications
	 'post_parent' => get_the_ID(),
	 'post_type' => 'attachment',
	 'numberposts' => -1,
	 'post_mime_type' => 'application/pdf',  //MIME Type condition
	 ))){
	 foreach( $files as $file ){ //setup array for more than one file attachment
		$file_link = wp_get_attachment_url($file->ID);    //get the url for linkage
		$file_name_array=explode("/",$file_link);
		$file_name=array_reverse($file_name_array);  //creates an array out of the url and grabs the filename
		$sAttachmentString .= "<div class='documentIcons'>";
		$sAttachmentString .= "<a href='$file_link'>";
		$sAttachmentString .= "<img src='".get_bloginfo('template_directory')."/images/mime/pdf.png'/>";
		$sAttachmentString .= "</a>";
		$sAttachmentString .= "<br>";
		$sAttachmentString .= "<a href='$file_link'>$file_name[0]</a>";
		$sAttachmentString .= "</div>";
		}
	}
	//Word Documents
	if ( $files = get_children(array(   //do only if there are attachments of these qualifications
	 'post_parent' => get_the_ID(),
	 'post_type' => 'attachment',
	 'numberposts' => -1,
	 'post_mime_type' => 'application/msword',  //MIME Type condition
	 ))){
	 foreach( $files as $file ){ //setup array for more than one file attachment
		$file_link = wp_get_attachment_url($file->ID);    //get the url for linkage
		$file_name_array=explode("/",$file_link);
		$file_name=array_reverse($file_name_array);  //creates an array out of the url and grabs the filename
		$sAttachmentString .= "<div class='documentIcons'>";
		$sAttachmentString .= "<a href='$file_link'>";
		$sAttachmentString .= "<img src='".get_bloginfo('template_directory')."/images/mime/word.png'/>";
		$sAttachmentString .= "</a>";
		$sAttachmentString .= "<br>";
		$sAttachmentString .= "<a href='$file_link'>$file_name[0]</a>";
		$sAttachmentString .= "</div>";
		}
	}
	//Powerpoint Documents
	if ( $files = get_children(array(   //do only if there are attachments of these qualifications
	 'post_parent' => get_the_ID(),
	 'post_type' => 'attachment',
	 'numberposts' => -1,
	 'post_mime_type' => 'application/vnd.ms-powerpoint',  //MIME Type condition
	 ))){
	 foreach( $files as $file ){ //setup array for more than one file attachment
		$file_link = wp_get_attachment_url($file->ID);    //get the url for linkage
		$file_name_array=explode("/",$file_link);
		$file_name=array_reverse($file_name_array);  //creates an array out of the url and grabs the filename
		$sAttachmentString .= "<div class='documentIcons'>";
		$sAttachmentString .= "<a href='$file_link'>";
		$sAttachmentString .= "<img src='".get_bloginfo('template_directory')."/images/mime/PowerPoint.png'/>";
		$sAttachmentString .= "</a>";
		$sAttachmentString .= "<br>";
		$sAttachmentString .= "<a href='$file_link'>$file_name[0]</a>";
		$sAttachmentString .= "</div>";
		}
	}
	//Excel Documents
	if ( $files = get_children(array(   //do only if there are attachments of these qualifications
	 'post_parent' => get_the_ID(),
	 'post_type' => 'attachment',
	 'numberposts' => -1,
	 'post_mime_type' => 'application/vnd.ms-excel',  //MIME Type condition
	 ))){
	 foreach( $files as $file ){ //setup array for more than one file attachment
		$file_link = wp_get_attachment_url($file->ID);    //get the url for linkage
		$file_name_array=explode("/",$file_link);
		$file_name=array_reverse($file_name_array);  //creates an array out of the url and grabs the filename
		$sAttachmentString .= "<div class='documentIcons'>";
		$sAttachmentString .= "<a href='$file_link'>";
		$sAttachmentString .= "<img src='".get_bloginfo('template_directory')."/images/mime/XLS8.png'/>";
		$sAttachmentString .= "</a>";
		$sAttachmentString .= "<br>";
		$sAttachmentString .= "<a href='$file_link'>$file_name[0]</a>";
		$sAttachmentString .= "</div>";
		}
	}
	//Zipped Files
	if ( $files = get_children(array(   //do only if there are attachments of these qualifications
	 'post_parent' => get_the_ID(),
	 'post_type' => 'attachment',
	 'numberposts' => -1,
	 'post_mime_type' => 'application/zip',  //MIME Type condition
	 ))){
	 foreach( $files as $file ){ //setup array for more than one file attachment
		$file_link = wp_get_attachment_url($file->ID);    //get the url for linkage
		$file_name_array=explode("/",$file_link);
		$file_name=array_reverse($file_name_array);  //creates an array out of the url and grabs the filename
		$sAttachmentString .= "<div class='documentIcons'>";
		$sAttachmentString .= "<a href='$file_link'>";
		$sAttachmentString .= "<img src='".get_bloginfo('template_directory')."/images/mime/zip.png'/>";
		$sAttachmentString .= "</a>";
		$sAttachmentString .= "<br>";
		$sAttachmentString .= "<a href='$file_link'>$file_name[0]</a>";
		$sAttachmentString .= "</div>";
		}
	}

	//Audio Files
	$mp3s = get_children(array(   //do only if there are attachments of these qualifications
	 'post_parent' => get_the_ID(),
	 'post_type' => 'attachment',
	 'numberposts' => -1,
	 'post_mime_type' => 'audio',  //MIME Type condition
	 ) );

	if (!empty($mp3s)) :
	$sAttachmentString .= "<ul class='audiofiles'>";
		foreach($mp3s as $mp3) :
    		$sAttachmentString .= "<li>";
			if(!empty($mp3->post_title)) : //checking to make sure the post title isn't empty
				$sAttachmentString .= "<h4 class='title'>".$mp3->post_title."</h4>";
			endif;

			if(!empty($mp3->post_content)) : //checking to make sure something exists in post_content (description)
				$sAttachmentString .= "<p class='description'>".$mp3->post_content."</p>";
			endif;

			$sAttachmentString .= "<object width='470' height='24' id='single".$mp3->ID."' name='single".$mp3->ID."'>";
				$sAttachmentString .= "<param name='movie' value='player.swf'>";
				$sAttachmentString .= "<param name='allowfullscreen' value='true'>";
				$sAttachmentString .= "<param name='allowscriptaccess' value='always'>";
				$sAttachmentString .= "<param name='wmode' value='transparent'>";
				$sAttachmentString .= "<param name='flashvars' value='file=".$mp3->guid."'>";
					$sAttachmentString .= "<embed ";
					  $sAttachmentString .= "id='single".$mp3->ID."' ";
					  $sAttachmentString .= "name='single".$mp3->ID."' ";
					  $sAttachmentString .= "src='".get_bloginfo('template_directory')."/jw/player.swf' ";
					  $sAttachmentString .= "width='470' ";
					  $sAttachmentString .= "height='24' ";
					  $sAttachmentString .= "bgcolor='#ffffff' ";
					  $sAttachmentString .= "allowscriptaccess='always' ";
					  $sAttachmentString .= "allowfullscreen='true' ";
					  $sAttachmentString .= "flashvars='file=".$mp3->guid."' ";

					$sAttachmentString .= "/>";
			$sAttachmentString .= "</object>";
                        $sAttachmentString .= "<a href='".$mp3->guid."'>Download</a>";
			$sAttachmentString .= "</li>";
		endforeach;
	$sAttachmentString .= "</ul>";
	endif;
$sAttachmentString .= "</div>";
if($echo){
    echo $sAttachmentString;
  }
  return $sAttachmentString;
}
add_shortcode('attachment icons', 'get_attachment_icons');

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