How to get next and preview post links in PHP (CodeIgniter).

 Get next and preview post links in PHP (CodeIgniter).

Paste in Controller :-

$id = 56;     // Current Post id 

$blog_pages = $this->Post_Model->all_posts();

$idArray = array();

foreach($blog_pages as $m=>$o) {

  $idArray[]= $o->id;

}

// Find the index of the current item

$current_index = array_search($id, $idArray);

// Find the index of the next/prev items

$next = $current_index + 1;

$prev = $current_index - 1;

 

// and now finally sent the data to view

if(!empty($idArray[$prev])){

if(in_array($idArray[$prev],$idArray)){

$data['prev'] = $this->Post_Model->getpostbyid($idArray[$prev]);

}

}

if(!empty($idArray[$next])){

if(in_array($idArray[$next],$idArray)){

$data['next'] = $this->Post_Model->getpostbyid($idArray[$next]); 

}

}

Paste in Model:-

public function all_posts()

{

            $query = $this->db->get('posts');  

            return $query->result();  

}

Paste in View:-

<div class="blog-details single-post-item format-standard">

<div class="post-details">

<div class="post-featured-img">

<img src="<?php echo base_url();?>assets/new-template/posts/<?php echo $blogs['post_image'];?>"/>

</div>

<div class="post-top-meta">

<ul class="meta-comment-tag">

<li><a href="#"><span class="icons"><i class="ti-user"></i></span>by <?php echo $blogs['uname'];?></a></li>

<li><a href="#Comments"><span class="icons"><i class="ti-comment-alt"></i></span><?php echo count($totalcomeent);?> Comments</a></li>

</ul>

</div> 

<h2 class="post-title"><?php echo $blogs['title'];?></h2>

<p><?php echo $blogs['body'];?></p>

<div class="single-post-pagination">

<?php

if(!empty($prev)){

//print_r($prev);

$prev_link = $prev['id'];

?>

<div class="prev-post">

<a href="<?php echo base_url().'blogdetail/'.$prev_link; ?>">

<div class="title-with-link">

<span class="intro">Prev Post</span>

</div>

</a>

</div>

<?php

}

?>

<div class="post-pagination-center-grid">

<a href="#"><i class="ti-layout-grid3"></i></a>

</div>

<?php

if(!empty($next)){

$next_link = $next['id'];

?>

<div class="next-post">

<a href="<?php echo base_url().'blogdetail/'.$next_link; ?>">

<div class="title-with-link">

<span class="intro">Next Post</span>

</div>

</a>

</div>

<?php

}

?>

</div>

 

</div>

</div>