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Source View: wp_unique_post_slug_is_bad_flat_slug

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Line Code
2802                     $suffix++;
2803                } while ( $post_name_check );
2804                $slug = $alt_post_name;
2805           }
2806      } else {
2807           // Post slugs must be unique across all posts.
2808           $check_sql = "SELECT post_name FROM $wpdb->posts WHERE post_name = %s AND post_type = %s AND ID != %d LIMIT 1";
2809           $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $slug, $post_type, $post_ID ) );
2810
2811           if ( $post_name_check || in_array( $slug, $feeds ) || apply_filters( 'wp_unique_post_slug_is_bad_flat_slug', false, $slug, $post_type ) ) {
2812                $suffix = 2;
2813                do {
2814                     $alt_post_name = substr( $slug, 0, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix";
2815                     $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $alt_post_name, $post_type, $post_ID ) );
2816                     $suffix++;
2817                } while ( $post_name_check );
2818                $slug = $alt_post_name;
2819           }
2820      }