110 lines
2.5 KiB
PHP
110 lines
2.5 KiB
PHP
<?php
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/**
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* Defines GlotPress rewrite rules and query vars.
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*
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* @package GlotPress
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* @subpackage Rewrite
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*/
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/**
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* Generate the WP rewrite rules.
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*
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* @since 1.0.0
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*
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* @param string|bool $gp_base Optional. The base of all GlotPress URLs.
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* Defaults to the `GP_URL_BASE` constant.
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* @return array Rewrite rules that transform the URL structure
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* to a set of query vars
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*/
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function gp_generate_rewrite_rules( $gp_base = false ) {
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if ( false === $gp_base ) {
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$gp_base = trim( gp_url_base_path(), '/' );
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}
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$rules = array();
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if ( ! $gp_base ) {
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$rules['$'] = 'index.php?gp_route';
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$rules['^(.*)$'] = 'index.php?gp_route=$matches[1]';
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} else {
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$rules[ '^' . $gp_base . '$' ] = 'index.php?gp_route';
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$rules[ '^' . $gp_base . '\/+(.*)$' ] = 'index.php?gp_route=$matches[1]';
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}
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return $rules;
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}
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/**
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* Add WP rewrite rules to avoid WP thinking that GP pages are 404.
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*
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* @since 1.0.0
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*/
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function gp_rewrite_rules() {
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$rewrite_rules = gp_generate_rewrite_rules();
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foreach ( $rewrite_rules as $regex => $query ) {
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add_rewrite_rule( $regex, $query, 'top' );
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}
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/*
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* Check to see if the rewrite rule has changed, if so, update the option
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* and flush the rewrite rules.
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* Save the rewrite rule to an option so we have something to compare against later.
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* We don't need to worry about the root rewrite rule above as it is always the same.
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*/
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if ( get_option( 'gp_rewrite_rule' ) != $rewrite_rules ) {
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update_option( 'gp_rewrite_rule', $rewrite_rules );
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flush_rewrite_rules( false );
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}
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}
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/**
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* Query vars for GP rewrite rules
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*
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* @since 1.0.0
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*/
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function gp_query_vars( $query_vars ) {
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$query_vars[] = 'gp_route';
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return $query_vars;
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}
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/**
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* GP run route
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*
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* @since 1.0.0
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*/
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function gp_run_route() {
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gp_populate_notices();
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if ( is_glotpress() ) {
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GP::$router->route();
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}
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}
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/**
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* Determine if the page requested is handled by GlotPress.
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*
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* @since 1.0.0
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*
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* @return bool Whether the request is handled by GlotPress.
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*/
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function is_glotpress() {
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global $wp;
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if ( ! is_admin() && GP_ROUTING && $wp instanceof WP && null !== $wp->query_vars && array_key_exists( 'gp_route', $wp->query_vars ) ) {
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return true;
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}
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return false;
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}
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/**
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* Sets `WP_Query->is_home` to false during GlotPress requests.
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*
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* @since 1.0.0
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*
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* @param WP_Query $query The WP_Query instance.
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*/
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function gp_set_is_home_false( $query ) {
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if ( is_glotpress() && $query->is_home() && $query->is_main_query() ) {
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$query->is_home = false;
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}
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}
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