count() parameter must be an array or an object that implements countable in laravel

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This is code here:

protected function credentials(Request $request)
{
    $admin=admin::where('email',$request->email)->first();
    if(count($admin))
    {
       if($admin->status==0){
           return ['email'=>'inactive','password'=>'You are not an active person, Please contact to admin'];
           }
           else{
               return ['email'=>$request->email,'password'=>$request->password,'status'=>1];
           }
       }
       return $request->only($this->username(), 'password');
    }

When i run the code this error become:

“count(): Parameter must be an array or an object that implements Countable”


Solution

This is my solution:

count(array($variable));

Source: StackOverflow.com

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