Laravel Checking If a Record Exists

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礼貌的吻别
礼貌的吻别 2020-11-28 17:50

I am new to Laravel. Please excuse the newbie question but how do I find if a record exists?

$user = User::where(\'em         


        
26条回答
  •  难免孤独
    2020-11-28 18:19

    The Easiest Way to do

        public function update(Request $request, $id)
    {
    
    
        $coupon = Coupon::where('name','=',$request->name)->first(); 
    
        if($coupon->id != $id){
            $validatedData = $request->validate([
                'discount' => 'required',   
                'name' => 'required|unique:coupons|max:255',      
            ]);
        }
    
    
        $requestData = $request->all();
        $coupon = Coupon::findOrFail($id);
        $coupon->update($requestData);
        return redirect('admin/coupons')->with('flash_message', 'Coupon updated!');
    }
    

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