'<p>' . __( '<a href="https://wordpress.org/documentation/article/settings-permalinks-screen/">Documentation on Permalinks Settings</a>' ) . '</p>' .

	'<p>' . __( '<a href="https://wordpress.org/documentation/article/customize-permalinks/">Documentation on Using Permalinks</a>' ) . '</p>';

	$help_sidebar_content .= '<p>' . __( '<a href="https://developer.wordpress.org/advanced-administration/server/web-server/nginx/">Documentation on Nginx configuration</a>.' ) . '</p>';

$help_sidebar_content .= '<p>' . __( '<a href="https://wordpress.org/support/forums/">Support forums</a>' ) . '</p>';

$index_php_prefix = '';

$blog_prefix      = '';

	$index_php_prefix = '/index.php';

if ( is_multisite() && ! is_subdomain_install() && is_main_site()

	&& str_starts_with( $permalink_structure, '/blog/' )

) {

			if ( $index_php_prefix && $blog_prefix ) {

				$permalink_structure = $index_php_prefix . preg_replace( '#^/?index\.php#', '', $permalink_structure );

	if ( ( ! file_exists( $home_path . 'web.config' )

		&& win_is_writable( $home_path ) ) || win_is_writable( $home_path . 'web.config' )

	) {

} elseif ( $is_nginx || $is_caddy ) {

	if ( ( ! file_exists( $home_path . '.htaccess' )

		&& is_writable( $home_path ) ) || is_writable( $home_path . '.htaccess' )

	) {

		} elseif ( ! $is_nginx && ! $is_caddy && $htaccess_update_required && ! $writable ) {

	set_transient( 'settings_errors', get_settings_errors(), 30 ); // 30 seconds.

<p>

<?php

printf(

	/* translators: %s: Documentation URL. */

	__( 'WordPress offers you the ability to create a custom URL structure for your permalinks and archives. Custom URL structures can improve the aesthetics, usability, and forward-compatibility of your links. A <a href="%s">number of tags are available</a>, and here are some examples to get you started.' ),

	__( 'https://wordpress.org/documentation/article/customize-permalinks/' )

);

?>

</p>

if ( is_multisite() && ! is_subdomain_install() && is_main_site()

	&& str_starts_with( $permalink_structure, '/blog/' )

) {

$url_base = home_url( $blog_prefix . $index_php_prefix );

$default_structures = array(

	array(

		'id'      => 'plain',

		'label'   => __( 'Plain' ),

		'value'   => '',

		'example' => home_url( '/?p=123' ),

	),

	array(

		'id'      => 'day-name',

		'label'   => __( 'Day and name' ),

		'value'   => $index_php_prefix . '/%year%/%monthnum%/%day%/%postname%/',

		'example' => $url_base . '/' . gmdate( 'Y/m/d' ) . '/' . _x( 'sample-post', 'sample permalink structure' ) . '/',

	),

	array(

		'id'      => 'month-name',

		'label'   => __( 'Month and name' ),

		'value'   => $index_php_prefix . '/%year%/%monthnum%/%postname%/',

		'example' => $url_base . '/' . gmdate( 'Y/m' ) . '/' . _x( 'sample-post', 'sample permalink structure' ) . '/',

	),

	array(

		'id'      => 'numeric',

		'label'   => __( 'Numeric' ),

		'value'   => $index_php_prefix . '/' . _x( 'archives', 'sample permalink base' ) . '/%post_id%',

		'example' => $url_base . '/' . _x( 'archives', 'sample permalink base' ) . '/123',

	),

	array(

		'id'      => 'post-name',

		'label'   => __( 'Post name' ),

		'value'   => $index_php_prefix . '/%postname%/',

		'example' => $url_base . '/' . _x( 'sample-post', 'sample permalink structure' ) . '/',

	),

$default_structure_values = wp_list_pluck( $default_structures, 'value' );

$available_tags = array(

	/* translators: %s: Permalink structure tag. */

	'year'     => __( '%s (The year of the post, four digits, for example 2004.)' ),

	/* translators: %s: Permalink structure tag. */

	'monthnum' => __( '%s (Month of the year, for example 05.)' ),

	/* translators: %s: Permalink structure tag. */

	'day'      => __( '%s (Day of the month, for example 28.)' ),

	/* translators: %s: Permalink structure tag. */

	'hour'     => __( '%s (Hour of the day, for example 15.)' ),

	/* translators: %s: Permalink structure tag. */

	'minute'   => __( '%s (Minute of the hour, for example 43.)' ),

	/* translators: %s: Permalink structure tag. */

	'second'   => __( '%s (Second of the minute, for example 33.)' ),

	/* translators: %s: Permalink structure tag. */

	'post_id'  => __( '%s (The unique ID of the post, for example 423.)' ),

	/* translators: %s: Permalink structure tag. */

	'postname' => __( '%s (The sanitized post title (slug).)' ),

	/* translators: %s: Permalink structure tag. */

	'category' => __( '%s (Category slug. Nested sub-categories appear as nested directories in the URL.)' ),

	/* translators: %s: Permalink structure tag. */

	'author'   => __( '%s (A sanitized version of the author name.)' ),

);

/**

 * Filters the list of available permalink structure tags on the Permalinks settings page.

 *

 * @since 4.9.0

 *

 * @param string[] $available_tags An array of key => value pairs of available permalink structure tags.

 */

$available_tags = apply_filters( 'available_permalink_structure_tags', $available_tags );

/* translators: %s: Permalink structure tag. */

$tag_added = __( '%s added to permalink structure' );

/* translators: %s: Permalink structure tag. */

$tag_removed = __( '%s removed from permalink structure' );

/* translators: %s: Permalink structure tag. */

$tag_already_used = __( '%s (already used in permalink structure)' );

<p>

<?php

printf(

	/* translators: %s: %postname% */

	__( 'Select the permalink structure for your website. Including the %s tag makes links easy to understand, and can help your posts rank higher in search engines.' ),

	'<code>%postname%</code>'

);

?>

</p>

<table class="form-table permalink-structure" role="presentation">

<tbody>

<tr>

	<th scope="row"><?php _e( 'Permalink structure' ); ?></th>

	<td>

		<fieldset class="structure-selection">

			<legend class="screen-reader-text">

				/* translators: Hidden accessibility text. */

				_e( 'Permalink structure' );

				?>

			</legend>

			<?php foreach ( $default_structures as $input ) : ?>

			<div class="row">

				<input id="permalink-input-<?php echo esc_attr( $input['id'] ); ?>"

					name="selection" aria-describedby="permalink-<?php echo esc_attr( $input['id'] ); ?>"

					type="radio" value="<?php echo esc_attr( $input['value'] ); ?>"

					<?php checked( $input['value'], $permalink_structure ); ?>

				/>

				<div>

					<label for="permalink-input-<?php echo esc_attr( $input['id'] ); ?>">

						<?php echo esc_html( $input['label'] ); ?>

					</label>

					<p>

						<code id="permalink-<?php echo esc_attr( $input['id'] ); ?>">

							<?php echo esc_html( $input['example'] ); ?>

						</code>

					</p>

				</div>

			</div><!-- .row -->

			<?php endforeach; ?>

			<div class="row">

				<input id="custom_selection"

					name="selection" type="radio" value="custom"

					<?php checked( ! in_array( $permalink_structure, $default_structure_values, true ) ); ?>

				/>

				<div>

					<label for="custom_selection"><?php _e( 'Custom Structure' ); ?></label>

					<p>

						<label for="permalink_structure" class="screen-reader-text">

							<?php

							/* translators: Hidden accessibility text. */

							_e( 'Customize permalink structure by selecting available tags' );

							?>

						</label>

						<span class="code">

							<code id="permalink-custom"><?php echo esc_url( $url_base ); ?></code>

							<input name="permalink_structure" id="permalink_structure"

								type="text" value="<?php echo esc_attr( $permalink_structure ); ?>"

								aria-describedby="permalink-custom" class="regular-text code"

							/>

						</span>

					</p>

					<div class="available-structure-tags hide-if-no-js">

						<div id="custom_selection_updated" aria-live="assertive" class="screen-reader-text"></div>

						<?php if ( ! empty( $available_tags ) ) : ?>

						<fieldset>

							<legend><?php _e( 'Available tags:' ); ?></legend>