PHP code example of kanazaca / counter-cache

1. Go to this page and download the library: Download kanazaca/counter-cache library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

kanazaca / counter-cache example snippets


'providers' => array(
	// ...
	kanazaca\CounterCache\CounterCacheServiceProvider::class,
)


Schema::create('products', function (Blueprint $table) {
      $table->increments('id');
      $table->string('name');
      $table->string('ref');
      $table->integer('comments_count')->default(0); // This is the counter that you have to add
      $table->timestamps();
  });


namespace App;

use Illuminate\Database\Eloquent\Model;
use kanazaca\CounterCache\CounterCache;

class Comments extends Model
{
    use CounterCache;

    // you can have more than one counter
    public $counterCacheOptions = [
        'Product' => ['field' => 'comments_count', 'foreignKey' => 'product_id']
    ];

    public function Product()
    {
        return $this->belongsTo('App\Product');
    }
}


public $counterCacheOptions = [
    'Product' => [
        'field' => 'comments_count',
        'foreignKey' => 'product_id',
        'filter' => 'CommentValidatedFilter'
    ]
]; // you can have more than one counter

// this code will be executed before the counting (save and update method)
public function CommentValidatedFilter()
{
    if ($this->validated) {
        return true;
    }

    return false;
}