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1. zilong
   Member
   Posted 3 years ago #
   

   When you upload another pic after a first one, the preview still show the previous one, because the browser cached the previous thumbnail image.

   Adding a random value (i.e &random=128578291752891) at the end of
   /wp-content/plugins/simple-post-thumbnails/timthumb.php?src=/wordpress/wp-content/thumbnails/1.jpg&w=200&h=150&zc=1&ft=jpg will solve this issue.

2. zilong
   Member
   Posted 3 years ago #
   

   for those who needs a quick fix, edit simple-post-thumbnails/thumbnail-poster.php

   Change:
   <img style="border: 1px solid #ccc; padding: 3px;" src="<?php echo $thumb; ?>" alt="Thumbnail preview" />

   to

   <img style="border: 1px solid #ccc; padding: 3px;" src="<?php echo $thumb."&random=".rand(); ?>" alt="Thumbnail preview" />

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