Sergey Biryukov e43ff0e991 Code Modernization: Return false from wpdb::query() if the query was filtered to an empty string using the query filter. ...

This avoids a fatal error on PHP 8 caused by passing an empty string to `mysqli_query()`, and maintains the current behaviour.

Follow-up to [48980], [48981].

See #50913, #50639.
Built from https://develop.svn.wordpress.org/trunk@49072


git-svn-id: http://core.svn.wordpress.org/trunk@48834 1a063a9b-81f0-0310-95a4-ce76da25c4cd

2020-09-30 12:09:08 +00:00

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