79cfdbd84c
Prior to [38677], `get_term_by()` would always return false if an empty string were passed as the queried 'name' or 'slug'. The refactor to use `get_terms()` broke this behavior; inappropriately imprecise `empty()` checks caused the 'name' or 'slug' clause to be discarded altogether when fetching terms, resulting in an incorrect term being returned from the function. We fix the regression by special-casing truly empty values passed to `get_term_by()`, and ensuring that `WP_Term_Query` is properly able to handle `0` and `'0'` term queries. Props sstoqnov. Fixes #21760. git-svn-id: https://develop.svn.wordpress.org/trunk@40293 602fd350-edb4-49c9-b593-d223f7449a82 |
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