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run the_post_thumbnail through php script before output?

  • # August 6, 2011 at 3:51 pm

    I have a PHP script that desaturates an image and creates a sprite of the colored version of the image and the desaturated version of the image for a rollover effect, but I am a bit stuck on how I can take the_post_thumbnail in WordPress and run it through the script first to create the sprite and output the image, any ideas?

    # August 6, 2011 at 3:56 pm

    Not sure if you can run the URL of the image through it? If so, this might help you:

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