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is_term() – Function | Developer.WordPress.org
is_term( int|string $term, string $taxonomy = '', int $parent ): mixed
$termint|stringrequiredThe term to check
$taxonomystringoptionalThe taxonomy name to use
Default:''
$parentintrequiredID of parent term under which to confine the exists search.
mixed Get the term ID or term object, if exists.
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