Pagination with $this->db->query() and $this->db->limit() - php

Question

I tried the following code for pagination but it not works for me it not shows 10 records per page it shows all records on the single page and again same number of records shows on the next page my code in controller
<?php
class Classified_detail extends CI_Controller
{
public function __construct()
{
parent::__construct();
$this->load->model('Jobseekermodel','',TRUE);
//$this->load->database($config);
//$secound_db= $this->load->database('classified_db', TRUE);
//$CI = &get_instance();
$this->db2 = $this->load->database('classified_db', TRUE); //doolaly
$this->load->model('Emailmodel','',TRUE);
$this->load->model('Bookmodel','',TRUE);
$this->load->model('Consultantmodel','',TRUE);
$this->load->model('Openingmodel','',TRUE);
//$this->load->model('classified/Mobile_model','',TRUE);
$this->load->model('classified/classified_ad','',TRUE);
$this->load->model('classified/create_ad','',TRUE);
$this->load->model('Commfuncmodel','',TRUE);
$this->lang->load('message', 'english');
$this->lang->load('mail', 'english');
$this->load->library('form_validation');
if (session_id() == "") session_start();
}
/***********************Start of Function For Showing list of ebooks from database **********************************/
function index($msg=NULL)
{
$this->Commfuncmodel->checkJobseekerLogin();
//******My expired ads*******/
//post ad history
$_SESSION["ex_ad_paging"] = PER_PAGE_RECORDS;
$today = date('Y-m-d');
$qry ="select AM.Ad_Title as Title,AM.Advertizement_Text as Description,AM.Price,AMP.Expiry_Date
from ad_mobile_phones AM inner join ad_mobilephone_plan_mapping AMP on
AM.Ad_ID=AMP.Ad_ID
where AM.Created_By='".$_SESSION['jobseeker_id']."' and AMP.Expiry_Date <'".$today."'
UNION
select A.Title,A.Description,A.Price,B.Expiry_Date from ad_vehicle A inner join ad_vehicle_plan_mapping B
on A.Ad_ID = B.Ad_ID where A.Created_By ='".$_SESSION['jobseeker_id']."' and B.Expiry_Date <'".$today."'";
$query=$this->db->query($qry);
$ex_ed_count=$query->num_rows();
$ex_ad_data=$query->result_array();
/******************Start of Pagination****************/
$segments = array('classified/classified_detail','index/my_ex_ads');
$url_name=site_url($segments);
$ex_ed_count = count($ex_ad_data);
$per_page_records=((#$_SESSION["ex_ad_paging"]=="All")?$ex_ed_count:#$_SESSION["ex_ad_paging"]);
$expagination=$this->Commfuncmodel->pagination_a($ex_ed_count,$this->uri->segment(5),$per_page_records,$url_name,"1","EXAD");
/******************End Pagination******************/
if($this->uri->segment(4)== "my_ex_ads")
{
$page_no=(int)$this->uri->segment(5);
if( empty($page_no) || ( $page_no <1 ) )
$nextrecord = 0 ;
else
$nextrecord = ($page_no-1) * #$_SESSION["ex_ad_paging"] ;
}
if($_SESSION["ex_ad_paging"]!="All")
{
$limit_start=$nextrecord;
$limit_end=$_SESSION["ex_ad_paging"];
}
else
{
$limit_start=0;
$limit_end=$ex_ed_count;
}
$qry ="select AM.Ad_Title as Title,AM.Advertizement_Text as Description,AM.Price,AMP.Expiry_Date
from ad_mobile_phones AM inner join ad_mobilephone_plan_mapping AMP on
AM.Ad_ID=AMP.Ad_ID where AM.Created_By='".$_SESSION['jobseeker_id']."' and AMP.Expiry_Date <'".$today."'
UNION
select A.Title,A.Description,A.Price,B.Expiry_Date from ad_vehicle A inner join ad_vehicle_plan_mapping B
on A.Ad_ID = B.Ad_ID where A.Created_By ='".$_SESSION['jobseeker_id']."' and B.Expiry_Date <'".$today."'";
//$this->db->limit(#$limit_end,#$limit_start);
//var_dump($limit_end);
//var_dump($limit_start);
$query=$this->db->query($qry);
$this->db->limit(#$limit_end,#$limit_start);
//var_dump($query);
$my_ad_data=$query->result_array();
//old data
//$this->db2->where('Expiry_Date' < $date);
// $this->db2->limit(#$limit_end,#$limit_start);
//$query=$this->db2->get(ad_mobilephone_plan_mapping);
// $my_ad_data=$query->result_array();
//follw up
$i=0;
if($query->num_rows()>0)
{
foreach($my_ad_data as $item => $v)
{
//$my_ad_data[$i]['applied_js']="y";
//follow up mail sent
//$this->db2->where("Ad_ID",$my_ad_data[$i]['Ad_ID']);
//$this->db2->where('Expiry_Date' < $date);
//$query=$this->db2->get(ad_mobilephone_plan_mapping);
//var_dump($fquery);
//$my_ad_data[$i]['count'] = $fquery->num_rows();
$qry ="select AM.Ad_Title as Title,AM.Advertizement_Text as Description,AM.Price,AMP.Expiry_Date
from ad_mobile_phones AM inner join ad_mobilephone_plan_mapping AMP on
AM.Ad_ID=AMP.Ad_ID where AM.Created_By='".$_SESSION['jobseeker_id']."' and AMP.Expiry_Date <'".$today."'
UNION
select A.Title,A.Description,A.Price,B.Expiry_Date from ad_vehicle A inner join ad_vehicle_plan_mapping B
on A.Ad_ID = B.Ad_ID where A.Created_By ='".$_SESSION['jobseeker_id']."' and B.Expiry_Date <'".$today."'";
$fquery = $this->db->query($qry);
//var_dump($fquery);
//var_dump($my_ad_data[$i]['count']);
$my_ad_data[$i]['count'] = $fquery->num_rows();
if($fquery->num_rows() < 2)
{
$my_ad_data[$i]['sent_follow']="y";
}
$oid = substr($my_ad_data[$i]['opening_id'],-9);
$my_ad_data[$i]['oid'] = substr($oid,0,-1);
$i++;
}
}
$data['acc'] = 'acc';
$data['page_no'] = $page_no;
$data['ex_ad_data'] = $my_ad_data;
$data['ex_ed_count'] = $ex_ed_count;
$data['expagination'] =$expagination;
$data['nextrecord'] = $nextrecord;
$data['msg_display'] =$msg_display;
$data['view_file'] = 'classified/account';
if($this->uri->segment(4)=="h")
{
$data['ajax'] = 1;
$this->load->view('account/historylist',$data);
}
else if($this->uri->segment(4)=="my_ads")
{
$data['ajax'] = 1;
$this->load->view('classified/classified_ads',$data);
}
else if($this->uri->segment(4)=="my_ex_ads")
{
$data['ajax'] = 1;
$this->load->view('account/expired_ads',$data);
}
else if($this->uri->segment(4)=="job")
{
$data['ajax'] = 1;
$this->load->view('account/joblist',$data);
}
else
{
$this->load->view('classified/classified_layout',$data);
}
}
Please help me and thanks in advance
Model Commfuncmodel.php
<?php
class Commfuncmodel extends CI_Model
{
function __construct()
{
parent::__construct();
//$this->load->model('Adminmodel','',TRUE);
}
function getcounter($tblnm,$id,$val)
{
$this->db->select('counter');
$this->db->where($id,$val);
$query = $this->db->get($tblnm);
$data=$query->result_array();
return $data[0];
}
function setcounter($tblnm,$id,$val)
{
$cnt = $this->getcounter($tblnm,$id,$val);
$data['counter'] = $cnt['counter'] + 1;
$this->db->where($id, $val);
$this->db->update($tblnm,$data);
return true;
}
/**************************PAGINATION FUNCTION START*************************************/
function pagination($total_rec, $current_page=0, $perPage, $url_name)
{
$pagination = "" ;
//echo $current_page;
// if total records are less than per page record then dont show pagination
if($total_rec<= $perPage)
{
return ;
}
// Retrieve Current Page number
if($current_page < 0 || $current_page==0)
{
$p = 1 ;
}
else
{
$p = $current_page ;
}
// Calculate Total Pages
$total_pages = (int)($total_rec/$perPage) ;
if( ($total_rec%$perPage) > 0 )
{
$total_pages++ ;
}
//echo "total pages ".$total_pages;
//echo "p is ".$p;
// To show pagination
if($total_pages >= 1)
{
$pagination .= '<ul class="pagination" style="margin-left:150px;">';
//$pagination .= "<br>Showing Page ".$p." of ".$total_pages."<br>";
// FIRST & PRIV LINKS
if($p>1)
{
//$pagination .= "<a href='".$url_name."/1'>"."First"."</a> " ;
$pagination .= "<li><a style='color: #000;' href='".$url_name."/". ($p-1) ."'>"." Prev"."</a></li>" ;
}
// Middle links..
if( ($p%BEFORE_AFTER_NO) == 0)
{
if( ($total_pages - $p) > BEFORE_AFTER_NO)
{
$start = $p-BEFORE_AFTER_NO ? $p-BEFORE_AFTER_NO:1 ;
}
else
{
$start = $total_pages - TOTAL_PAGINATION_NO;
if($start <= 0)
{
$start = 1 ;
}
}
$end = $p+BEFORE_AFTER_NO ;
}
else
{
if($p > 9)
{
if( ($total_pages - $p) > BEFORE_AFTER_NO)
{
$start = $p - BEFORE_AFTER_NO ;
}
else
{
$start = $total_pages - TOTAL_PAGINATION_NO;
}
$end = $p + BEFORE_AFTER_NO ;
}
else
{
$start = 1 ;
$end = TOTAL_PAGINATION_NO;
}
}
for($i=$start; $i<=$end && $i<=$total_pages;$i++)
{
if($i==$p)
{
$pagination .= '<li class="active">'.$i.'</li>' ;
}
else
{
$pagination .= "<li><a style='color: #000;' href='".$url_name."/". $i ."'>".$i."</a></li>" ;
}
}
// NEXT & LAST links
if($p>=1 && $p<$total_pages)
{
$pagination .= "<li ><a style='color: #000;' href='".$url_name ."/". ($p+1) ."'>"."Next"."</a></li>" ;
//$pagination .= "<a href='".$url_name ."/$total_pages'>"."Last"."</a> " ;
}
} // if($total_pages>1) end.
$pagination .='</ul>' ;
return ($pagination) ;
}
function pagination_a($total_rec, $current_page=0, $perPage, $url_name,$ajaxflag=NULL,$d)
{
$pagination = "" ;
// if total records are less than per page record then dont show pagination
if($total_rec<= $perPage)
{
return ;
}
// Retrieve Current Page number
if($current_page<0 || $current_page==0)
{
$p = 1 ;
}
else
{
$p = $current_page ;
}
// Calculate Total Pages
$total_pages = (int)($total_rec/$perPage) ;
if( ($total_rec%$perPage) > 0 )
{
$total_pages++ ;
}
// To show pagination
if($total_pages >= 1)
{
$pagination .= '<ul class="pagination" style="margin-left:227px;">';
// FIRST & PRIV LINKS
if($p>1)
{
if($ajaxflag)
{
//$pagination .= "<a href=javascript:ajaxPagination('".$url_name."/1')>".lang("FIRST")."</a> " ;
$pagination .= "<li><a href=javascript:ajaxPagination('".$url_name."/". ($p-1) ."/".$d."')>"."PREV"."</a></li>" ;
}
else
{
//$pagination .= "<a href='".$url_name."/1'>".lang("FIRST")."</a> " ;
$pagination .= "<li><a href='".$url_name."/". ($p-1) ."'>"."PREV"."</a></li>" ;
}
}
// Middle links..
//echo $total_pages;
if( ($p%BEFORE_AFTER_NO) == 0)
{
if( ($total_pages - $p) > BEFORE_AFTER_NO)
{
$start = $p-BEFORE_AFTER_NO ? $p-BEFORE_AFTER_NO:1 ;
}
else
{
$start = $total_pages - TOTAL_PAGINATION_NO;
if($start <= 0)
{
$start = 1 ;
}
}
$end = $p+BEFORE_AFTER_NO ;
}
else
{
if($p > 9)
{
if( ($total_pages - $p) > BEFORE_AFTER_NO)
{
$start = $p - BEFORE_AFTER_NO ;
}
else
{
$start = $total_pages - TOTAL_PAGINATION_NO;
}
$end = $p + BEFORE_AFTER_NO ;
}
else
{
$start = 1 ;
$end = TOTAL_PAGINATION_NO;
}
}
for($i=$start; $i<=$end && $i<=$total_pages;$i++)
{
if($i==$p)
{
$pagination .= '<li class="active"><a class="page-links" id="current">'.$i.'</a></li> ' ;
}
else
{
if($ajaxflag)
$pagination .= "<li><a href=javascript:ajaxPagination('".$url_name."/". $i ."/".$d."')>$i</a></li>" ;
else
$pagination .= "<li><a href='".$url_name."/". $i ."'>$i</a></li>" ;
}
}
// NEXT & LAST links
if($p>=1 && $p <$total_pages)
{
if($ajaxflag)
{
$pagination .= "<li><a href=javascript:ajaxPagination('".$url_name ."/". ($p+1) ."/".$d."')>"."NEXT"."</a></li>";
//$pagination .= "<a href=javascript:ajaxPagination('".$url_name ."/$total_pages')>".lang("LAST")."</a> " ;
}
else
{
$pagination .= "<li><a href='".$url_name ."/". ($p+1) ."'>"."NEXT"."</a></li>";
//$pagination .= "<a href='".$url_name ."/$total_pages'>".lang("LAST")."</a> " ;
}
}
} // if($total_pages>1) end.
$pagination .='</ul>';
//echo $pagination;
return ($pagination) ;
}
}
?>