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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 3045 | /** |
| 3046 | * Filters whether the proposed unique term slug is bad. |
| 3047 | * |
| 3048 | * @since 4.3.0 |
| 3049 | * |
| 3050 | * @param bool $needs_suffix Whether the slug needs to be made unique with a suffix. |
| 3051 | * @param string $slug The slug. |
| 3052 | * @param object $term Term object. |
| 3053 | */ |
| 3054 | if ( apply_filters( 'wp_unique_term_slug_is_bad_slug', $needs_suffix, $slug, $term ) ) { |
| 3055 | if ( $parent_suffix ) { |
| 3056 | $slug .= $parent_suffix; |
| 3057 | } |
| 3058 | |
| 3059 | if ( ! empty( $term->term_id ) ) { |
| 3060 | $query = $wpdb->prepare( "SELECT slug FROM $wpdb->terms WHERE slug = %s AND term_id != %d", $slug, $term->term_id ); |
| 3061 | } else { |
| 3062 | $query = $wpdb->prepare( "SELECT slug FROM $wpdb->terms WHERE slug = %s", $slug ); |
| 3063 | } |