Custom pagination for WordPress admin panel

wp-admin-pagination.php

<?php

function affilate_list_pagination($total_items, $total_pages, $current){

	$output = '<span class="displaying-num">'.sprintf(_n('%s item', '%s items', $total_items), number_format_i18n($total_items)).'</span>';

	$removable_query_args = wp_removable_query_args();

	$current_url = set_url_scheme('http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']);

	$current_url = remove_query_arg($removable_query_args, $current_url);

	$page_links = array();

	$total_pages_before = '<span class="paging-input">';
	$total_pages_after  = '</span></span>';

	$disable_first = $disable_last = $disable_prev = $disable_next = false;

	if( $current == 1 ){
		$disable_first = true;
		$disable_prev = true;
	}
	if( $current == 2 ){
		$disable_first = true;
	}
	if( $current == $total_pages ){
		$disable_last = true;
		$disable_next = true;
	}
	if( $current == $total_pages - 1 ){
		$disable_last = true;
	}

	if( $disable_first ){
		$page_links[] = '<span class="tablenav-pages-navspan" aria-hidden="true">&laquo;</span>';
	}else{
		$page_links[] = sprintf( "<a class='first-page' href='%s'><span aria-hidden='true'>%s</span></a>",
			esc_url( remove_query_arg( 'paginate', $current_url ) ),
			'&laquo;'
		);
	}

	if( $disable_prev ){
		$page_links[] = '<span class="tablenav-pages-navspan" aria-hidden="true">&lsaquo;</span>';
	}else{
		$page_links[] = sprintf( "<a class='prev-page' href='%s'><span aria-hidden='true'>%s</span></a>",
			esc_url( add_query_arg( 'paginate', max( 1, $current-1 ), $current_url ) ),
			'&lsaquo;'
		);
	}

	$html_current_page = sprintf( "<input class='current-page' id='current-page-selector' type='text' name='paginate' value='%s' size='%d' aria-describedby='table-paging' /><span class='tablenav-paging-text'>",
		$current,
		strlen( $total_pages )
	);

	$html_total_pages = sprintf( "<span class='total-pages'>%s</span>", number_format_i18n( $total_pages ) );
	$page_links[] = $total_pages_before . sprintf( _x( '%1$s of %2$s', 'paging' ), $html_current_page, $html_total_pages ) . $total_pages_after;

	if( $disable_next ){
		$page_links[] = '<span class="tablenav-pages-navspan" aria-hidden="true">&rsaquo;</span>';
	}else{
		$page_links[] = sprintf( "<a class='next-page' href='%s'><span aria-hidden='true'>%s</span></a>",
			esc_url( add_query_arg( 'paginate', min( $total_pages, $current+1 ), $current_url ) ),
			'&rsaquo;'
		);
	}

	if ( $disable_last ) {
		$page_links[] = '<span class="tablenav-pages-navspan" aria-hidden="true">&raquo;</span>';
	} else {
		$page_links[] = sprintf( "<a class='last-page' href='%s'><span aria-hidden='true'>%s</span></a>",
			esc_url( add_query_arg( 'paginate', $total_pages, $current_url ) ),
			'&raquo;'
		);
	}

	$output .= "\n<span class='pagination-links'>" . join( "\n", $page_links ) . '</span>';

	if ( $total_pages ) {
		$page_class = $total_pages < 2 ? ' one-page' : '';
	} else {
		$page_class = ' no-pages';
	}
	$_pagination = "<div class='tablenav-pages{$page_class}'>$output</div>";

	echo $_pagination;
}//End of affilate_list_pagination

$current = (isset($_GET['paginate']) && !empty($_GET['paginate'])) ? (int) $_GET['paginate'] : 1;
$total_pages = $post_query->max_num_pages;
$total_items = $post_query->found_posts;

affilate_list_pagination($total_items, $total_pages, $current);