wp_cache_flush_site doesnt flush global groups #10
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l3rady
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Aug 11, 2015
…_groups wp_cache_flush_site doesnt flush global groups
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wp_cache_flush_site() doesn't flush global groups. Global groups are ID' as group 0 and if you dont pass site ID's to the function it defaults to flush the current site ID which is usually 1.
I think that site ID 0 should always be processed as part of a site flush.