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amdrew/gist:2192eb02839fcdf9e3d2

Last active November 11, 2019 06:22
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Easy Digital Downloads - Make sure only 1 download can exist in the cart
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gistfile1.php
<?php
// A customer on the Easy Digital Downloads forums needed a way to limit their checkout cart to only 1 download at a time.
// The following filter will clear the cart right before a download is added via the purchase buttons, meaning only the most recently added download will exist in the cart.
// Copy and paste the following filter into your child theme's functions.php or custom plugin:
add_filter( 'edd_pre_add_to_cart_contents', '__return_false' );
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