original_string: protected function isNotNullIfMarkedAsNullable($rule, $attribute)
      {
          if ($this->isImplicit($rule) || ! $this->hasRule($attribute, ['Nullable'])) {
              return true;
          }
  
          return ! is_null(Arr::get($this->data, $attribute, 0));
      }
code: protected function isNotNullIfMarkedAsNullable($rule, $attribute)
      {
          if ($this->isImplicit($rule) || ! $this->hasRule($attribute, ['Nullable'])) {
              return true;
          }
  
          return ! is_null(Arr::get($this->data, $attribute, 0));
      }
code_tokens: protected function isNotNullIfMarkedAsNullable ( $ rule , $ attribute ) { if ( $ this -> isImplicit ( $ rule ) || ! $ this -> hasRule ( $ attribute , [ 'Nullable' ] ) ) { return true ; } return ! is_null ( Arr :: get ( $ this -> data , $ attribute , 0 ) ) ; }
docstring: Determine if the attribute fails the nullable check.
  
  @param  string  $rule
  @param  string  $attribute
  @return bool
docstring_tokens: Determine if the attribute fails the nullable check .