Title: WP_Rewrite::using_mod_rewrite_permalinks
Published: April 25, 2014
Last modified: April 28, 2025

---

# WP_Rewrite::using_mod_rewrite_permalinks(): bool

## In this article

 * [Description](https://developer.wordpress.org/reference/classes/wp_rewrite/using_mod_rewrite_permalinks/?output_format=md#description)
 * [Return](https://developer.wordpress.org/reference/classes/wp_rewrite/using_mod_rewrite_permalinks/?output_format=md#return)
 * [More Information](https://developer.wordpress.org/reference/classes/wp_rewrite/using_mod_rewrite_permalinks/?output_format=md#more-information)
 * [Source](https://developer.wordpress.org/reference/classes/wp_rewrite/using_mod_rewrite_permalinks/?output_format=md#source)
 * [Related](https://developer.wordpress.org/reference/classes/wp_rewrite/using_mod_rewrite_permalinks/?output_format=md#related)
 * [Changelog](https://developer.wordpress.org/reference/classes/wp_rewrite/using_mod_rewrite_permalinks/?output_format=md#changelog)

[ Back to top](https://developer.wordpress.org/reference/classes/wp_rewrite/using_mod_rewrite_permalinks/?output_format=md#wp--skip-link--target)

Determines whether permalinks are being used and rewrite module is enabled.

## 󠀁[Description](https://developer.wordpress.org/reference/classes/wp_rewrite/using_mod_rewrite_permalinks/?output_format=md#description)󠁿

Using permalinks and index.php is not in the URL.

## 󠀁[Return](https://developer.wordpress.org/reference/classes/wp_rewrite/using_mod_rewrite_permalinks/?output_format=md#return)󠁿

 bool Whether permalink links are enabled and index.php is NOT in the URL.

## 󠀁[More Information](https://developer.wordpress.org/reference/classes/wp_rewrite/using_mod_rewrite_permalinks/?output_format=md#more-information)󠁿

Returns true your blog is using “pretty” permalinks via mod_rewrite.

## 󠀁[Source](https://developer.wordpress.org/reference/classes/wp_rewrite/using_mod_rewrite_permalinks/?output_format=md#source)󠁿

    ```php
    public function using_mod_rewrite_permalinks() {
    	return $this->using_permalinks() && ! $this->using_index_permalinks();
    }
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/class-wp-rewrite.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/6.9.4/src/wp-includes/class-wp-rewrite.php#L384)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/class-wp-rewrite.php#L384-L386)

## 󠀁[Related](https://developer.wordpress.org/reference/classes/wp_rewrite/using_mod_rewrite_permalinks/?output_format=md#related)󠁿

| Uses | Description | 
| [WP_Rewrite::using_index_permalinks()](https://developer.wordpress.org/reference/classes/wp_rewrite/using_index_permalinks/)`wp-includes/class-wp-rewrite.php` |

Determines whether permalinks are being used and rewrite module is not enabled.

  | 
| [WP_Rewrite::using_permalinks()](https://developer.wordpress.org/reference/classes/wp_rewrite/using_permalinks/)`wp-includes/class-wp-rewrite.php` |

Determines whether permalinks are being used.

  |

| Used by | Description | 
| [save_mod_rewrite_rules()](https://developer.wordpress.org/reference/functions/save_mod_rewrite_rules/)`wp-admin/includes/misc.php` |

Updates the htaccess file with the current rules if it is writable.

  | 
| [iis7_save_url_rewrite_rules()](https://developer.wordpress.org/reference/functions/iis7_save_url_rewrite_rules/)`wp-admin/includes/misc.php` |

Updates the IIS web.config file with the current rules if it is writable.

  |

## 󠀁[Changelog](https://developer.wordpress.org/reference/classes/wp_rewrite/using_mod_rewrite_permalinks/?output_format=md#changelog)󠁿

| Version | Description | 
| [1.5.0](https://developer.wordpress.org/reference/since/1.5.0/) | Introduced. |

## User Contributed Notes

You must [log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fdeveloper.wordpress.org%2Freference%2Fclasses%2Fwp_rewrite%2Fusing_mod_rewrite_permalinks%2F)
before being able to contribute a note or feedback.