Support » Plugins » Passing a variable by URL – WordPress Rewrite rules

  • Hello,

    I am trying to pass a php variable through the url using WordPress rewrite rules. I am passing the variable from a custom post type archive to a static page with a wp_query for the same custom post type. The neat permalink for the page is ‘/archive-exhibitions’ This is the code in my functions.php template:

    //Rewrite rules for URL variable passing
    // Remember to flush_rules() when adding rules
    function flushRules(){
    	global $wp_rewrite;
    // Adding a new rule
    function wp_insertMyRewriteRules($rules)
    	$newrules = array();
    	$newrules['archive-exhibitions/([^/]+)/?$'] = 'index.php?pagename=archive-exhibitions&yearlink=$matches[1]';
    	$finalrules = $newrules + $rules;
            return $finalrules;
    // Adding the var so that WP recognizes it
    function wp_insertMyRewriteQueryVars($vars)
        array_push($vars, 'yearlink');
        return $vars;
    //Stop wordpress from redirecting
    remove_filter('template_redirect', 'redirect_canonical');

    I get a 404 error when I try to resolve the link – any suggestions?

    My template link to save the variable is:

    echo "<li><a href='/archive-exhibitions&yearlink=" . $yearlist . "' >". $yearlist . "</a></li>";

    and I am using this to pull the variable onto the static page:

    <?php $year = urldecode($wp_query->query_vars['yearlink']); ?>

    Any help is much appreciated.



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