laravel add auto increment

                
                        Schema::table('item_tag', function (Blueprint $table) {
    $table->increments('id')->first();
});
                    
                

laravel eloquent increment

                        
                                Customer::find($customer_id)->increment('loyalty_points');
  
  
// increment by 20 
  Customer::find($customer_id)->increment('loyalty_points',20);
                            
                        

increament single column laravel current value + 1

                        
                                Product::increment('count' , 5); // count + 5

Product::decrement('count', 5); // count - 5

---------------Or-----------------------
  
Product::where('product_id', $product->id)
    ->update([
      'count'=> DB::raw('count+1'), 
      'last_count_increased_at' => Carbon::now()
    ]);
                            
                        

increment laravel

                        
                                $customer = Customer::find($customer_id);
$loyalty_points = $customer->loyalty_points + 1;
$customer->update(['loyalty_points' => $loyalty_points]);

or

Customer::find($customer_id)->increment('loyalty_points');
                            
                        

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