Edit File by line

* If the `wp_loaded` action has not occurred yet, will postpone saving to the database.

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* @since 6.4.0

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private function refresh_rewrite_rules() {

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$this->rules = '';

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$this->matches = 'matches';

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$this->rewrite_rules();

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if ( ! did_action( 'wp_loaded' ) ) {

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* Is not safe to save the results right now, as the rules may be partial.

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* Need to give all rules the chance to register.

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add_action( 'wp_loaded', array( $this, 'flush_rules' ) );

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} else {

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update_option( 'rewrite_rules', $this->rules );

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}

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}

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/**

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* Retrieves mod_rewrite-formatted rewrite rules to write to .htaccess.

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* Does not actually write to the .htaccess file, but creates the rules for

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* the process that will.

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* Will add the non_wp_rules property rules to the .htaccess file before

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* the WordPress rewrite rules one.

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* @since 1.5.0

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* @return string

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public function mod_rewrite_rules() {

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if ( ! $this->using_permalinks() ) {

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return '';

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}

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$site_root = parse_url( site_url() );

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if ( isset( $site_root['path'] ) ) {

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$site_root = trailingslashit( $site_root['path'] );

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}

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$home_root = parse_url( home_url() );

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if ( isset( $home_root['path'] ) ) {

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$home_root = trailingslashit( $home_root['path'] );

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} else {

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$home_root = '/';

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}

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$rules = "<IfModule mod_rewrite.c>\n";

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$rules .= "RewriteEngine On\n";

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$rules .= "RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}]\n";

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$rules .= "RewriteBase $home_root\n";

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// Prevent -f checks on index.php.

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$rules .= "RewriteRule ^index\.php$ - [L]\n";

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// Add in the rules that don't redirect to WP's index.php (and thus shouldn't be handled by WP at all).

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foreach ( (array) $this->non_wp_rules as $match => $query ) {

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// Apache 1.3 does not support the reluctant (non-greedy) modifier.

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$match = str_replace( '.+?', '.+', $match );

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$rules .= 'RewriteRule ^' . $match . ' ' . $home_root . $query . " [QSA,L]\n";

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}

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if ( $this->use_verbose_rules ) {

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$this->matches = '';

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$rewrite = $this->rewrite_rules();

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$num_rules = count( $rewrite );

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$rules .= "RewriteCond %{REQUEST_FILENAME} -f [OR]\n" .

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"RewriteCond %{REQUEST_FILENAME} -d\n" .

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"RewriteRule ^.*$ - [S=$num_rules]\n";

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foreach ( (array) $rewrite as $match => $query ) {

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// Apache 1.3 does not support the reluctant (non-greedy) modifier.

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$match = str_replace( '.+?', '.+', $match );

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if ( str_contains( $query, $this->index ) ) {

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$rules .= 'RewriteRule ^' . $match . ' ' . $home_root . $query . " [QSA,L]\n";

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} else {

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$rules .= 'RewriteRule ^' . $match . ' ' . $site_root . $query . " [QSA,L]\n";

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}

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}

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} else {

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$rules .= "RewriteCond %{REQUEST_FILENAME} !-f\n" .

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"RewriteCond %{REQUEST_FILENAME} !-d\n" .

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"RewriteRule . {$home_root}{$this->index} [L]\n";

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}

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$rules .= "</IfModule>\n";

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/**

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* Filters the list of rewrite rules formatted for output to an .htaccess file.

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* @since 1.5.0

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* @param string $rules mod_rewrite Rewrite rules formatted for .htaccess.

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$rules = apply_filters( 'mod_rewrite_rules', $rules );

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/**

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* Filters the list of rewrite rules formatted for output to an .htaccess file.

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* @since 1.5.0

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* @deprecated 1.5.0 Use the {@see 'mod_rewrite_rules'} filter instead.

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* @param string $rules mod_rewrite Rewrite rules formatted for .htaccess.

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return apply_filters_deprecated( 'rewrite_rules', array( $rules ), '1.5.0', 'mod_rewrite_rules' );

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}

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/**

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* Retrieves IIS7 URL Rewrite formatted rewrite rules to write to web.config file.

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* Does not actually write to the web.config file, but creates the rules for

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* the process that will.

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* @since 2.8.0

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* @param bool $add_parent_tags Optional. Whether to add parent tags to the rewrite rule sets.

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* Default false.

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* @return string IIS7 URL rewrite rule sets.

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public function iis7_url_rewrite_rules( $add_parent_tags = false ) {

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if ( ! $this->using_permalinks() ) {

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return '';

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}

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$rules = '';

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if ( $add_parent_tags ) {

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$rules .= '<configuration>

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<system.webServer>

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<rules>';

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}

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$rules .= '

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</conditions>

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</rule>';

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if ( $add_parent_tags ) {

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$rules .= '

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</rules>

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</rewrite>

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</system.webServer>

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</configuration>';

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}

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/**

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* Filters the list of rewrite rules formatted for output to a web.config.

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* @since 2.8.0

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* @param string $rules Rewrite rules formatted for IIS web.config.

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return apply_filters( 'iis7_url_rewrite_rules', $rules );

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}

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/**

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* Adds a rewrite rule that transforms a URL structure to a set of query vars.

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* Any value in the $after parameter that isn't 'bottom' will result in the rule

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* being placed at the top of the rewrite rules.

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* @since 2.1.0

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* @since 4.4.0 Array support was added to the `$query` parameter.

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* @param string $regex Regular expression to match request against.

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* @param string|array $query The corresponding query vars for this rewrite rule.

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* @param string $after Optional. Priority of the new rule. Accepts 'top'

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* or 'bottom'. Default 'bottom'.

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public function add_rule( $regex, $query, $after = 'bottom' ) {

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if ( is_array( $query ) ) {

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$external = false;

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$query = add_query_arg( $query, 'index.php' );

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} else {

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$index = ! str_contains( $query, '?' ) ? strlen( $query ) : strpos( $query, '?' );

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$front = substr( $query, 0, $index );

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$external = $front !== $this->index;

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}

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// "external" = it doesn't correspond to index.php.

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if ( $external ) {

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$this->add_external_rule( $regex, $query );

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} else {

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if ( 'bottom' === $after ) {

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$this->extra_rules = array_merge( $this->extra_rules, array( $regex => $query ) );

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} else {

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$this->extra_rules_top = array_merge( $this->extra_rules_top, array( $regex => $query ) );

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}

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}

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}

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/**

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* Adds a rewrite rule that doesn't correspond to index.php.

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* @since 2.1.0

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* @param string $regex Regular expression to match request against.

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* @param string $query The corresponding query vars for this rewrite rule.

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public function add_external_rule( $regex, $query ) {

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$this->non_wp_rules[ $regex ] = $query;

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}

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/**

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* Adds an endpoint, like /trackback/.

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* @since 2.1.0

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* @since 3.9.0 $query_var parameter added.

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* @since 4.3.0 Added support for skipping query var registration by passing `false` to `$query_var`.

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* @see add_rewrite_endpoint() for full documentation.

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* @global WP $wp Current WordPress environment instance.

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* @param string $name Name of the endpoint.

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* @param int $places Endpoint mask describing the places the endpoint should be added.

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* Accepts a mask of:

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* - `EP_ALL`

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* - `EP_NONE`

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* - `EP_ALL_ARCHIVES`

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* - `EP_ATTACHMENT`

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* - `EP_AUTHORS`

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* - `EP_CATEGORIES`

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* - `EP_COMMENTS`

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* - `EP_DATE`

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* - `EP_DAY`

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* - `EP_MONTH`

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* - `EP_PAGES`

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* - `EP_PERMALINK`

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* - `EP_ROOT`

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* - `EP_SEARCH`

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* - `EP_TAGS`

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* - `EP_YEAR`

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* @param string|bool $query_var Optional. Name of the corresponding query variable. Pass `false` to

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* skip registering a query_var for this endpoint. Defaults to the

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* value of `$name`.

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public function add_endpoint( $name, $places, $query_var = true ) {

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global $wp;

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// For backward compatibility, if null has explicitly been passed as `$query_var`, assume `true`.

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if ( true === $query_var || null === $query_var ) {

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$query_var = $name;

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}

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$this->endpoints[] = array( $places, $name, $query_var );

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if ( $query_var ) {

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$wp->add_query_var( $query_var );

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}

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}

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/**

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* Adds a new permalink structure.

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* A permalink structure (permastruct) is an abstract definition of a set of rewrite rules;

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* it is an easy way of expressing a set of regular expressions that rewrite to a set of

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* query strings. The new permastruct is added to the WP_Rewrite::$extra_permastructs array.

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* When the rewrite rules are built by WP_Rewrite::rewrite_rules(), all of these extra

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* permastructs are passed to WP_Rewrite::generate_rewrite_rules() which transforms them

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* into the regular expressions that many love to hate.

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* The `$args` parameter gives you control over how WP_Rewrite::generate_rewrite_rules()

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* works on the new permastruct.

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* @since 2.5.0

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* @param string $name Name for permalink structure.

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* @param string $struct Permalink structure (e.g. category/%category%)

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* @param array $args {

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* Optional. Arguments for building rewrite rules based on the permalink structure.

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* Default empty array.

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* @type bool $with_front Whether the structure should be prepended with `WP_Rewrite::$front`.

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* Default true.

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* @type int $ep_mask The endpoint mask defining which endpoints are added to the structure.

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* Accepts a mask of:

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* - `EP_ALL`

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* - `EP_NONE`

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* - `EP_ALL_ARCHIVES`

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* - `EP_ATTACHMENT`

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* - `EP_AUTHORS`

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* - `EP_CATEGORIES`

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* - `EP_COMMENTS`

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* - `EP_DATE`

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* - `EP_DAY`

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* - `EP_MONTH`

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* - `EP_PAGES`

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* - `EP_PERMALINK`

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* - `EP_ROOT`

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* - `EP_SEARCH`

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* - `EP_TAGS`

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* - `EP_YEAR`

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* Default `EP_NONE`.

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* @type bool $paged Whether archive pagination rules should be added for the structure.

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* Default true.

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* @type bool $feed Whether feed rewrite rules should be added for the structure. Default true.

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* @type bool $forcomments Whether the feed rules should be a query for a comments feed. Default false.

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* @type bool $walk_dirs Whether the 'directories' making up the structure should be walked over

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* and rewrite rules built for each in-turn. Default true.

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* @type bool $endpoints Whether endpoints should be applied to the generated rules. Default true.

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* }

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public function add_permastruct( $name, $struct, $args = array() ) {

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// Back-compat for the old parameters: $with_front and $ep_mask.

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if ( ! is_array( $args ) ) {

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$args = array( 'with_front' => $args );

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}

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if ( func_num_args() === 4 ) {

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$args['ep_mask'] = func_get_arg( 3 );

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}

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$defaults = array(

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'with_front' => true,

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'ep_mask' => EP_NONE,

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'paged' => true,

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'feed' => true,

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'forcomments' => false,

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'walk_dirs' => true,

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'endpoints' => true,

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);

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$args = array_intersect_key( $args, $defaults );

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$args = wp_parse_args( $args, $defaults );

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[1835] Fix | Delete

if ( $args['with_front'] ) {

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$struct = $this->front . $struct;

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} else {

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$struct = $this->root . $struct;

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}

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$args['struct'] = $struct;

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[1843] Fix | Delete

$this->extra_permastructs[ $name ] = $args;

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}

[1845] Fix | Delete

[1846] Fix | Delete

/**

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* Removes a permalink structure.

[1848] Fix | Delete

[1849] Fix | Delete

* @since 4.5.0

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[1851] Fix | Delete

* @param string $name Name for permalink structure.

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[1853] Fix | Delete

public function remove_permastruct( $name ) {

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unset( $this->extra_permastructs[ $name ] );

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}

[1856] Fix | Delete

[1857] Fix | Delete

/**

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* Removes rewrite rules and then recreate rewrite rules.

[1859] Fix | Delete

[1860] Fix | Delete

* Calls WP_Rewrite::wp_rewrite_rules() after removing the 'rewrite_rules' option.

[1861] Fix | Delete

* If the function named 'save_mod_rewrite_rules' exists, it will be called.

[1862] Fix | Delete

[1863] Fix | Delete

* @since 2.0.1

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* @param bool $hard Whether to update .htaccess (hard flush) or just update rewrite_rules option (soft flush). Default is true (hard).

[1866] Fix | Delete

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public function flush_rules( $hard = true ) {

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static $do_hard_later = null;

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// Prevent this action from running before everyone has registered their rewrites.

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if ( ! did_action( 'wp_loaded' ) ) {

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add_action( 'wp_loaded', array( $this, 'flush_rules' ) );

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$do_hard_later = ( isset( $do_hard_later ) ) ? $do_hard_later || $hard : $hard;

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return;

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}

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if ( isset( $do_hard_later ) ) {

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$hard = $do_hard_later;

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unset( $do_hard_later );

[1880] Fix | Delete

}

[1881] Fix | Delete

[1882] Fix | Delete

$this->refresh_rewrite_rules();

[1883] Fix | Delete

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/**

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* Filters whether a "hard" rewrite rule flush should be performed when requested.

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[1887] Fix | Delete

* A "hard" flush updates .htaccess (Apache) or web.config (IIS).

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[1889] Fix | Delete

* @since 3.7.0

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* @param bool $hard Whether to flush rewrite rules "hard". Default true.

[1892] Fix | Delete

[1893] Fix | Delete

if ( ! $hard || ! apply_filters( 'flush_rewrite_rules_hard', true ) ) {

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return;

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}

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if ( function_exists( 'save_mod_rewrite_rules' ) ) {

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save_mod_rewrite_rules();

[1898] Fix | Delete

}

[1899] Fix | Delete

if ( function_exists( 'iis7_save_url_rewrite_rules' ) ) {

[1900] Fix | Delete

iis7_save_url_rewrite_rules();

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}

[1902] Fix | Delete

}

[1903] Fix | Delete

[1904] Fix | Delete

/**

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* Sets up the object's properties.

[1906] Fix | Delete

[1907] Fix | Delete

* The 'use_verbose_page_rules' object property will be set to true if the

[1908] Fix | Delete

* permalink structure begins with one of the following: '%postname%', '%category%',

[1909] Fix | Delete

* '%tag%', or '%author%'.

[1910] Fix | Delete

[1911] Fix | Delete

* @since 1.5.0

[1912] Fix | Delete

[1913] Fix | Delete

public function init() {

[1914] Fix | Delete

$this->extra_rules = array();

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$this->non_wp_rules = array();

[1916] Fix | Delete

$this->endpoints = array();

[1917] Fix | Delete

$this->permalink_structure = get_option( 'permalink_structure' );

[1918] Fix | Delete

$this->front = substr( $this->permalink_structure, 0, strpos( $this->permalink_structure, '%' ) );

[1919] Fix | Delete

$this->root = '';

[1920] Fix | Delete

[1921] Fix | Delete

if ( $this->using_index_permalinks() ) {

[1922] Fix | Delete

$this->root = $this->index . '/';

[1923] Fix | Delete

}

[1924] Fix | Delete

[1925] Fix | Delete

unset( $this->author_structure );

[1926] Fix | Delete

unset( $this->date_structure );

[1927] Fix | Delete

unset( $this->page_structure );

[1928] Fix | Delete

unset( $this->search_structure );

[1929] Fix | Delete

unset( $this->feed_structure );

[1930] Fix | Delete

unset( $this->comment_feed_structure );

[1931] Fix | Delete

[1932] Fix | Delete

$this->use_trailing_slashes = str_ends_with( $this->permalink_structure, '/' );

[1933] Fix | Delete

[1934] Fix | Delete

// Enable generic rules for pages if permalink structure doesn't begin with a wildcard.

[1935] Fix | Delete

if ( preg_match( '/^[^%]*%(?:postname|category|tag|author)%/', $this->permalink_structure ) ) {

[1936] Fix | Delete

$this->use_verbose_page_rules = true;

[1937] Fix | Delete

} else {

[1938] Fix | Delete

$this->use_verbose_page_rules = false;

[1939] Fix | Delete

}

[1940] Fix | Delete

}

[1941] Fix | Delete

[1942] Fix | Delete

/**

[1943] Fix | Delete

* Sets the main permalink structure for the site.

[1944] Fix | Delete

[1945] Fix | Delete

* Will update the 'permalink_structure' option, if there is a difference

[1946] Fix | Delete

* between the current permalink structure and the parameter value. Calls

[1947] Fix | Delete

* WP_Rewrite::init() after the option is updated.

[1948] Fix | Delete

[1949] Fix | Delete

* Fires the {@see 'permalink_structure_changed'} action once the init call has

[1950] Fix | Delete

* processed passing the old and new values

[1951] Fix | Delete

[1952] Fix | Delete

* @since 1.5.0

[1953] Fix | Delete

[1954] Fix | Delete

* @param string $permalink_structure Permalink structure.

[1955] Fix | Delete

[1956] Fix | Delete

public function set_permalink_structure( $permalink_structure ) {

[1957] Fix | Delete

if ( $this->permalink_structure !== $permalink_structure ) {

[1958] Fix | Delete

$old_permalink_structure = $this->permalink_structure;

[1959] Fix | Delete

update_option( 'permalink_structure', $permalink_structure );

[1960] Fix | Delete

[1961] Fix | Delete

$this->init();

[1962] Fix | Delete

[1963] Fix | Delete

/**

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* Fires after the permalink structure is updated.

[1965] Fix | Delete

[1966] Fix | Delete

* @since 2.8.0

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[1968] Fix | Delete

* @param string $old_permalink_structure The previous permalink structure.

[1969] Fix | Delete

* @param string $permalink_structure The new permalink structure.

[1970] Fix | Delete

[1971] Fix | Delete

do_action( 'permalink_structure_changed', $old_permalink_structure, $permalink_structure );

[1972] Fix | Delete

}

[1973] Fix | Delete

}

[1974] Fix | Delete

[1975] Fix | Delete

/**

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* Sets the category base for the category permalink.

[1977] Fix | Delete

[1978] Fix | Delete

* Will update the 'category_base' option, if there is a difference between

[1979] Fix | Delete

* the current category base and the parameter value. Calls WP_Rewrite::init()

[1980] Fix | Delete

* after the option is updated.

[1981] Fix | Delete

[1982] Fix | Delete

* @since 1.5.0

[1983] Fix | Delete

[1984] Fix | Delete

* @param string $category_base Category permalink structure base.

[1985] Fix | Delete

[1986] Fix | Delete

public function set_category_base( $category_base ) {

[1987] Fix | Delete

if ( get_option( 'category_base' ) !== $category_base ) {

[1988] Fix | Delete

update_option( 'category_base', $category_base );

[1989] Fix | Delete

$this->init();

[1990] Fix | Delete

}

[1991] Fix | Delete

}

[1992] Fix | Delete

[1993] Fix | Delete

/**

[1994] Fix | Delete

* Sets the tag base for the tag permalink.

[1995] Fix | Delete

[1996] Fix | Delete

* Will update the 'tag_base' option, if there is a difference between the

[1997] Fix | Delete

* current tag base and the parameter value. Calls WP_Rewrite::init() after

[1998] Fix | Delete

* the option is updated.

[1999] Fix | Delete

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