Retrieves the current permalink (WordPress, Woocommerce)

wpso_50761584.php

<?php

/**
 * Retrieves the current permalink.
 * Filters-out unregistered query variables through WordPress core get_query_var() function.
 * Make it safe to use in database queries, redirects and HTTP requests through WordPress core esc_url_raw() function.
 *
 * @param String $args['relative'] (true|false), Relative path if true. Default to false. 
 *
 * @return String Relative or absolute path to the current permalink.
 * 
 * @since 1.0.0
 *
 * @see https://stackoverflow.com/a/70809779/3645650
 */
if ( ! function_exists( 'wpso_50761584' ) ) {

    function wpso_50761584( $args = array() ) {

        $args = empty( $args ) ? array(
            'relative' => false,
        ) : $args;

        global $wp;

        parse_str( $_SERVER['QUERY_STRING'], $variables );

        $buffer = array();

        foreach ( $variables as $variable => $value ) {

            if ( get_query_var( $variable ) )

                array_push( $buffer, array( $variable => $value ) );
            
        };

        $buffer = array_reduce( $buffer, 'array_merge', array() );

        $permalink = $args['relative'] ? wp_make_link_relative( esc_url_raw( add_query_arg( $buffer, home_url( $wp->request ) ) ) ) : esc_url_raw( add_query_arg( $buffer, home_url( $wp->request ) ) );

        return $permalink;

    };

};