WP Pagination

<?php
//Put this inside a conditional statement------------------------------------
//Resource: http://codex.wordpress.org/Function_Reference/paginate_links
?>
------------------------------------------------------------------------------------------------------
<?php
//paste this to where you want to show pagination: rex_coder_paging_nav();
//Paste the following code to functins.php
if ( ! function_exists( 'rex_coder_paging_nav' ) ) :
/**
 * Display navigation to next/previous set of posts when applicable.
 *
 * @return void
 */

function rex_coder_paging_nav() {
        // Don't print empty markup if there's only one page.
        if ( $GLOBALS['wp_query']->max_num_pages < 2 ) {
                return;
        }

        $paged        = get_query_var( 'paged' ) ? intval( get_query_var( 'paged' ) ) : 1;
        $pagenum_link = html_entity_decode( get_pagenum_link() );
        $query_args   = array();
        $url_parts    = explode( '?', $pagenum_link );

        if ( isset( $url_parts[1] ) ) {
                wp_parse_str( $url_parts[1], $query_args );
        }

        $pagenum_link = remove_query_arg( array_keys( $query_args ), $pagenum_link );
        $pagenum_link = trailingslashit( $pagenum_link ) . '%_%';

        $format  = $GLOBALS['wp_rewrite']->using_index_permalinks() && ! strpos( $pagenum_link, 'index.php' ) ? 'index.php/' : '';
        $format .= $GLOBALS['wp_rewrite']->using_permalinks() ? user_trailingslashit( 'page/%#%', 'paged' ) : '?paged=%#%';

        // Set up paginated links.
        $links = paginate_links( array(
                'base'     => $pagenum_link,
                'format'   => $format,
                'total'    => $GLOBALS['wp_query']->max_num_pages,
                'current'  => $paged,
                'mid_size' => 2,
                'add_args' => array_map( 'urlencode', $query_args ),
                'prev_text' => __( '← Previous', 'my-simone' ),
                'next_text' => __( 'Next →', 'my-simone' ),
                'type'      => 'list',
        ) );

        if ( $links ) :

        ?>
        <nav class="navigation paging-navigation" role="navigation">
                <h1 class="screen-reader-text"><?php _e( 'Posts navigation', 'my-simone' ); ?></h1>
                        <?php echo $links; ?>
        </nav><!-- .navigation -->
        <?php
        endif;
}

endif;

?>


<style>
.paging-navigation ul {
    margin: 0;
}

.paging-navigation li { display: inline; }

a.page-numbers,
span.page-numbers {
     padding: .3em .7em;
     color: #333;
     color: hsl(0, 0%, 20%);
}

a:hover.page-numbers {
    color: #000;
    color: hsl(0, 0%, 0%);
}

.paging-navigation .current {
    font-weight: bold;
    color: #000;
    color: hsl(0, 0%, 0%);
}

/**********************************************
*content-sidebar.css
***********************************************/
.paging-navigation {
    padding-top: 1em;
    padding-bottom: 1em;
    margin-bottom: 2em;
    list-style-type: none;
    background: #fff;
}
</style>