hPagination - A Simple PHP pagination class

Options

define page url
define row per page
works with SEO url (http://example.com/topic/page/1) and normal url (http://example.com/index.php?page=topic&page=1)
change URL param (http://example.com/topic/page/1 or http://example.com/topic/pg/1)

Usage

require_once('hPagination.class.php');

// Initialize the class
$paginator = new hPagination;

// Setting class variables
$paginator->page_url 		= 'http://localhost/members/';					// full page url
$paginator->rows_per_page 	= 10;								// Defining rows per page				
$paginator->total_rows 		= 100;								// Give total number of rows
$paginator->current_page 	= (intval($_GET['pg'])<1)?1:intval($_GET['pg']);		// Pass current requested page number (Never let pass 0) always > 1
$paginator->seourl		= false;							// if you are running seo URL then apply true/false
$paginator->parameter		= 'pg';								// http://localhost/member/[parameter]/2 | http://localhost/member/?[parameter]=2

// Add at last in query str
$paginator->limit()

// Display
$paginator->display_pagination();

hPagination.class.php

class hPagination {
	var $page_url;
	var $rows_per_page = 20;
	var $total_rows;
	var $current_page;
	var $seourl = false;
	var $parameter = 'page';
	var $page_class = 'paginator';
	
	function display_pagination(){
		echo '<div class="'.$this->page_class.'">';
	
		echo 'You are in Page: <strong>Pages: '.$this->current_page.' of '.$this->total_pages().'</strong>  ';
		
		// first
		if($this->seourl) $first_page_link = $this->page_url.$this->parameter.'/1/';
		else {
			$first_page_parse = parse_url($this->page_url);
			if($first_page_parse['query']!=NULL) $first_page_link = $this->page_url.'&'.$this->parameter.'=1';	
			else $first_page_link = $this->page_url.'?'.$this->parameter.'=1';
		}
		echo "<a href='".$first_page_link."' class='button'>First</a>";
		// first
		
		// Prev
		$prev_page_num = $this->current_page-1;
		if($prev_page_num<1) $prev_page_num = 1;
		
		if($this->seourl) $prev_page_link = $this->page_url.$this->parameter.'/'.$prev_page_num.'/';
		else {
			$prev_page_p = parse_url($this->page_url);
			if($prev_page_p['query']!=NULL) $prev_page_link = $this->page_url.'&'.$this->parameter.'='.$prev_page_num.'';	
			else $prev_page_link = $this->page_url.'?'.$this->parameter.'='.$prev_page_num.'';
		}
		echo "<a href='".$prev_page_link."' class='button'>Prev</a>";
		// prev
		
		if($this->total_pages()>=15){
			$differ=7;
			if(($this->current_page-$differ)>0 && ($this->current_page+$differ)<=$this->total_pages()) {$start=$this->current_page-$differ; $end=$this->current_page+$differ;}
			elseif(($this->current_page-$differ)<=0 && ($this->current_page+$differ)<=$this->total_pages()) {$start=1; $end=($differ*2)+1;}
			elseif(($this->current_page-$differ)>0 && ($this->current_page+$differ)>$this->total_pages()) {$start=$this->total_pages()-($differ*2); $end=$this->total_pages();}
		}
		else { $start=1; $end=$this->total_pages(); }
		
		
		
		for($i=$start;$i<=$end;$i++)
			{
				if($this->seourl) $c_page_link = $this->page_url.$this->parameter.'/'.$i.'/';
				else {
					$c_page_p = parse_url($this->page_url);
					if($c_page_p['query']!=NULL) $c_page_link = $this->page_url.'&'.$this->parameter.'='.$i.'';	
					else $c_page_link = $this->page_url.'?'.$this->parameter.'='.$i.'';
				}
				echo "<a href='".$c_page_link."' class='button'>$i</a>";
			}
		
		
		// Next
		$next_page_num = $this->current_page+1;
		if($next_page_num>$this->total_pages()) $next_page_num = $this->total_pages();
		
		if($this->seourl) $next_page_link = $this->page_url.$this->parameter.'/'.$next_page_num.'/';
		else {
			$next_page_p = parse_url($this->page_url);
			if($next_page_p['query']!=NULL) $next_page_link = $this->page_url.'&'.$this->parameter.'='.$next_page_num.'';	
			else $next_page_link = $this->page_url.'?'.$this->parameter.'='.$next_page_num.'';
		}
		echo "<a href='".$next_page_link."' class='button'>Next</a>";
		// Next
		
		// Last
		if($this->seourl) $last_page_link = $this->page_url.$this->parameter.'/'.$this->total_pages().'/';
		else {
			$last_page_parse = parse_url($this->page_url);
			if($last_page_parse['query']!=NULL) $last_page_link = $this->page_url.'&'.$this->parameter.'='.$this->total_pages();	
			else $last_page_link = $this->page_url.'?'.$this->parameter.'='.$this->total_pages();
		}
		echo "<a href='".$last_page_link."' class='button'>Last</a>";
		// Last
		
		echo '</div>';	
	}
	
	function total_pages(){
		return ceil($this->total_rows/$this->rows_per_page);
	}
	
	function limit(){
		$this->current_page = intval($this->current_page);
		if($this->current_page>1) $start = $this->rows_per_page * $this->current_page - $this->rows_per_page;
		else $start = 0;
		
		return ' LIMIT '.$start.','.$this->rows_per_page;
	}
}

Source Code

hPagination - A Simple PHP pagination class