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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 |
---|---|
3368 | /** |
3369 | * Filter whether the proposed unique term slug is bad. |
3370 | * |
3371 | * @since 4.3.0 |
3372 | * |
3373 | * @param bool $needs_suffix Whether the slug needs to be made unique with a suffix. |
3374 | * @param string $slug The slug. |
3375 | * @param object $term Term object. |
3376 | */ |
3377 | if ( apply_filters( 'wp_unique_term_slug_is_bad_slug', $needs_suffix, $slug, $term ) ) { |
3378 | if ( $parent_suffix ) { |
3379 | $slug .= $parent_suffix; |
3380 | } else { |
3381 | if ( ! empty( $term->term_id ) ) |
3382 | $query = $wpdb->prepare( "SELECT slug FROM $wpdb->terms WHERE slug = %s AND term_id != %d", $slug, $term->term_id ); |
3383 | else |
3384 | $query = $wpdb->prepare( "SELECT slug FROM $wpdb->terms WHERE slug = %s", $slug ); |
3385 |
|
3386 | if ( $wpdb->get_var( $query ) ) { |