Posted By

krike on 10/28/10

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Last Edited at 10/28/10 09:19pm

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Wordpress MU timthumb fix

/ Published in: PHP

This function will return the correct url for the timthumb php script (wordpress 3.0 or higher required!)

Usage: just call the function in your theme with the post id as parameter, it will return a value so store this into a variable (must be inside the wordpress loop to work)

The function:
$thumb = get_timthumb_thumbnail($post->ID);

I've tested this successfully on my servers so please let me know if you are having any problem with it.

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/* 
	WORDPRESS MU TIMTHUMB FIX
	This function will return the correct url for the timthumb php script (wordpress 3.0 or higher required!)
	
	Usage: just call the function in your theme with the post id as parameter, it will return a value so store this into a variable (must be inside the wordpress loop to work)
	
	The function:
	$thumb = get_timthumb_thumbnail($post->ID);
*/
function get_timthumb_thumbnail($post_id = null) {
	global $blog_id;
	
	//we can access it, so why not use it?
	$is_mu = WP_ALLOW_MULTISITE;
	
	//if is true it means it's a wordpress MU site and we'll have to do some work
	if($is_mu == true):
		$thumbnail_id=get_the_post_thumbnail($post_id);
		preg_match ('/src="(.*)" class/',$thumbnail_id,$link);
		$imageParts = explode('files/', $link[1]);
		if (!empty($imageParts[1])):
			//check if the image is in the blog directory
			if(@getimagesize('./wp-content/blogs.dir/' . $blog_id . '/files/' . $imageParts[1])):
				
				$thumbnail = 'http://'.$_SERVER['HTTP_HOST'].'/wp-content/blogs.dir/' . $blog_id . '/files/' . $imageParts[1];
			
			endif;
			//check if the image is in the main uploads directory (you never know)
			if(@getimagesize('./wp-content/uploads/' . $imageParts[1])):
				
				$thumbnail = 'http://'.$_SERVER['HTTP_HOST'].'/wp-content/uploads/' . $imageParts[1];
			
			endif;
                    else:
                            $imageParts = explode('uploads/', $link[1]);
                            if(@getimagesize('./wp-content/uploads/' . $imageParts[1])):
                                $thumbnail = 'http://'.$_SERVER['HTTP_HOST'].'/wp-content/uploads/' . $imageParts[1];
                            endif;
		endif;

else:
		$thumbnail_id=get_the_post_thumbnail($post_id);
			preg_match ('/src="(.*)" class/',$thumbnail_id,$link);
			$thumbnail = $link[1];
	endif;

return $thumbnail;
}

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