Implement support for $prev_value while updating metadata

woocommerce / woocommerce-product-tables-feature-plugin

Implements new data-stores and moves product data into custom tables, with a new, normalised data structure.

GNU General Public License v3.0

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Closed claudiosanches closed 6 years ago

claudiosanches commented 6 years ago

Possible test with update_metadata( 'post', $product_id, $meta_key, $meta_value, $prev_value ).

Also included a small fix to clean post cache while updating _variation_description.

Closes #59