Easy Customize Wordpress Pagination

Easy Customize Wordpress Pagination.php

<?php
$pagenum = isset( $_GET['pagenum'] ) ? absint( $_GET['pagenum'] ) : 1;
$limit = 1;
$offset = ( $pagenum - 1 ) * $limit;
$results = $wpdb->get_results("SELECT * FROM ex_contactus  LIMIT $offset, $limit");


// DISPLAY DATA

$total = $wpdb->get_var("SELECT COUNT('id') FROM ex_contactus ");
$num_of_pages = ceil( $total / $limit );
$page_links = paginate_links( array(
	'base' => add_query_arg( 'pagenum', '%#%' ),
	'format' => '',
	'prev_text' => __( '&laquo;', 'aag' ),
	'next_text' => __( '&raquo;', 'aag' ),
	'total' => $num_of_pages,
	'current' => $pagenum
) );

if ( $page_links ) {
	echo $page_links;
}
?>