How to create a function and pass a variable to it using a custom php MVC

Question

Im working with a custom PHP MVC application

I retrieved a list of posts using this method:

MODELs: videos_model.php

class Index_Model extends Model {
    public function fetchVideos(){      
        $stmt = $this->db->prepare("SELECT * FROM bv_videos");
        $stmt->setFetchMode(PDO::FETCH_OBJ);
        return $stmt->fetchAll();

    }
}

CONTROLLERs : video.php class Index extends Controller {

    public function index(){    

        $this->view->render('../../public/templates/header');       
        $this->view->Videos         = $this->model->fetchVideos();      
        $this->view->render('index/index');
        $this->view->render('../../public/templates/footer');
    }
}

Views :

<div class="entry-header video_frame_description">
    <h3><?php echo $value->title; ?></h3>

    <p class="pull-left post-info">           
        <span class="cat-links hidden-xs">
            <a href="<?php echo URL; ?>?cat=<?php echo $value->cat_id; ?>">
            Category: 
            ** HERE I WANT TO ADD CATEGORY NAME UNDER EACH POST **
            </a>
     </p>
</div>

In the view, I want to show the name of the video category under each post.

I created this function in the index class

public function get_video_category($cat_id){        

        $stmt = $this->db->prepare("SELECT * FROM  bv_categories WHERE cat_id=?");
        $stmt->execute(array($cat_id));
        $stmt->setFetchMode(PDO::FETCH_OBJ);    
        $data = $stmt->fetch();
        return $data->category;
}

And then in the Controller I added this line:

$this->view->video_category = $this->model->get_video_category();

And here the problem. What parameter should I pass the get_video_category() function??

Here are the tables structure im using:

bv_videos

CREATE TABLE IF NOT EXISTS bv_videos ( video_id int(11) NOT NULL AUTO_INCREMENT,
title varchar(255) NOT NULL, url text NOT NULL,
cat_id int(11) NOT NULL,
date_added int(11) NOT NULL, status int(11) NOT NULL,
PRIMARY KEY (video_id) ) ENGINE=InnoDB DEFAULT CHARSET=utf8 AUTO_INCREMENT=14 ;

bv_categories

CREATE TABLE IF NOT EXISTS bv_categories ( cat_id int(11) NOT NULL AUTO_INCREMENT, category varchar(100) NOT NULL, order_cat int(11) NOT NULL DEFAULT '100', PRIMARY KEY (cat_id) ) ENGINE=InnoDB DEFAULT CHARSET=utf8 AUTO_INCREMENT=6 ;

Angel M. · Accepted Answer · 2015-08-16 13:25:28Z

1

I would extend this query

"SELECT * FROM bv_videos"

to

SELECT v.*, c.category as category_name FROM bv_videos v, bv_categories c WHERE v.cat_id = b.cat_id and v.cat_id = " . $cat_id;

or using left join

and then in view would just call category same way as you use category id

 <a href="<?php echo URL; ?>?cat=<?php echo $value->cat_id; ?>">
Category name is: $value->category_name;

Your way:

$this->view->video_category = $this->model->get_video_category();

you need to enter category id, which seems to be $value->cat_id; if you are calling from view

answered Aug 16, 2015 at 13:25

Angel M.

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1 Comment

Devstar Over a year ago

Thanks a lot , It works perfectly using the left join :)

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