Viewing file: class-rewrite.php (4.6 KB) -rw-rw-rw- Select action/file-type: (+) | (+) | (+) | Code (+) | Session (+) | (+) | SDB (+) | (+) | (+) | (+) | (+) | (+) |
<?php /** * @package WPSEO\Frontend */
/** * This code handles the category rewrites. */ class WPSEO_Rewrite {
/** * Class constructor */ function __construct() { add_filter( 'query_vars', array( $this, 'query_vars' ) ); add_filter( 'category_link', array( $this, 'no_category_base' ) ); add_filter( 'request', array( $this, 'request' ) ); add_filter( 'category_rewrite_rules', array( $this, 'category_rewrite_rules' ) );
add_action( 'created_category', array( $this, 'schedule_flush' ) ); add_action( 'edited_category', array( $this, 'schedule_flush' ) ); add_action( 'delete_category', array( $this, 'schedule_flush' ) );
add_action( 'init', array( $this, 'flush' ), 999 ); }
/** * Save an option that triggers a flush on the next init. * * @since 1.2.8 */ function schedule_flush() { update_option( 'wpseo_flush_rewrite', 1 ); }
/** * If the flush option is set, flush the rewrite rules. * * @since 1.2.8 * @return bool */ function flush() { if ( get_option( 'wpseo_flush_rewrite' ) ) {
add_action( 'shutdown', 'flush_rewrite_rules' ); delete_option( 'wpseo_flush_rewrite' );
return true; }
return false; }
/** * Override the category link to remove the category base. * * @param string $link Unused, overridden by the function. * * @return string */ function no_category_base( $link ) { $category_base = get_option( 'category_base' );
if ( '' == $category_base ) { $category_base = 'category'; }
// Remove initial slash, if there is one (we remove the trailing slash in the regex replacement and don't want to end up short a slash) if ( '/' == substr( $category_base, 0, 1 ) ) { $category_base = substr( $category_base, 1 ); }
$category_base .= '/';
return preg_replace( '`' . preg_quote( $category_base, '`' ) . '`u', '', $link, 1 ); }
/** * Update the query vars with the redirect var when stripcategorybase is active * * @param array $query_vars * * @return array */ function query_vars( $query_vars ) { $options = WPSEO_Options::get_all();
if ( $options['stripcategorybase'] === true ) { $query_vars[] = 'wpseo_category_redirect'; }
return $query_vars; }
/** * Redirect the "old" category URL to the new one. * * @param array $query_vars Query vars to check for existence of redirect var * * @return array */ function request( $query_vars ) { if ( isset( $query_vars['wpseo_category_redirect'] ) ) { $catlink = trailingslashit( get_option( 'home' ) ) . user_trailingslashit( $query_vars['wpseo_category_redirect'], 'category' );
wp_redirect( $catlink, 301 ); exit; }
return $query_vars; }
/** * This function taken and only slightly adapted from WP No Category Base plugin by Saurabh Gupta * * @return array */ function category_rewrite_rules() { global $wp_rewrite;
$category_rewrite = array();
$taxonomy = get_taxonomy( 'category' );
$blog_prefix = ''; if ( is_multisite() && ! is_subdomain_install() && is_main_site() ) { $blog_prefix = 'blog/'; }
$categories = get_categories( array( 'hide_empty' => false ) ); if ( is_array( $categories ) && $categories !== array() ) { foreach ( $categories as $category ) { $category_nicename = $category->slug; if ( $category->parent == $category->cat_ID ) { // recursive recursion $category->parent = 0; } elseif ( $taxonomy->rewrite['hierarchical'] != 0 && $category->parent != 0 ) { $parents = get_category_parents( $category->parent, false, '/', true ); if ( ! is_wp_error( $parents ) ) { $category_nicename = $parents . $category_nicename; } unset( $parents ); }
$category_rewrite[ $blog_prefix . '(' . $category_nicename . ')/(?:feed/)?(feed|rdf|rss|rss2|atom)/?$' ] = 'index.php?category_name=$matches[1]&feed=$matches[2]'; $category_rewrite[ $blog_prefix . '(' . $category_nicename . ')/' . $wp_rewrite->pagination_base . '/?([0-9]{1,})/?$' ] = 'index.php?category_name=$matches[1]&paged=$matches[2]'; $category_rewrite[ $blog_prefix . '(' . $category_nicename . ')/?$' ] = 'index.php?category_name=$matches[1]'; } unset( $categories, $category, $category_nicename ); }
// Redirect support from Old Category Base $old_base = $wp_rewrite->get_category_permastruct(); $old_base = str_replace( '%category%', '(.+)', $old_base ); $old_base = trim( $old_base, '/' ); $category_rewrite[ $old_base . '$' ] = 'index.php?wpseo_category_redirect=$matches[1]';
return $category_rewrite; } } /* End of class */
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