apply_filters( ‘wp_unique_term_slug_is_bad_slug’, bool $needs_suffix, string $slug, object $term )

Filters whether the proposed unique term slug is bad.

Parameters

$needs_suffixbool: Whether the slug needs to be made unique with a suffix.
$slugstring: The slug.
$termobject: Term object.

if ( apply_filters( 'wp_unique_term_slug_is_bad_slug', $needs_suffix, $slug, $term ) ) {

Used by	Description
wp_unique_term_slug()`wp-includes/taxonomy.php`	Makes term slug unique, if it isn’t already.

Version	Description
4.3.0	Introduced.

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