framework/validators/Validator.php
public function getValidationAttributes($attributes = null)
    {
        if ($attributes === null) {
            return $this->getAttributeNames();
        }

        if (is_string($attributes)) {
            $attributes = [$attributes];
        }

        $newAttributes = [];
        $attributeNames = $this->getAttributeNames();
        foreach ($attributes as $attribute) {
            if (in_array($attribute, $attributeNames, true)) {
                $newAttributes[] = $attribute;
            }
        }
        return $newAttributes;
    }
public function getValidationAttributes($attributes = null)
    {
        if ($attributes === null) {
            return $this->getAttributeNames();
        }

        if (is_string($attributes)) {
            $attributes = [$attributes];
        }

        $newAttributes = [];
        $attributeNames = $this->getAttributeNames();
        foreach ($attributes as $attribute) {
            if (in_array($attribute, $attributeNames, true)) {
                $newAttributes[] = $attribute;
            }
        }
        return $newAttributes;
    }
public function getValidationAttributes ( $ attributes = null ) { if ( $ attributes === null ) { return $ this -> getAttributeNames ( ) ; } if ( is_string ( $ attributes ) ) { $ attributes = [ $ attributes ] ; } $ newAttributes = [ ] ; $ attributeNames = $ this -> getAttributeNames ( ) ; foreach ( $ attributes as $ attribute ) { if ( in_array ( $ attribute , $ attributeNames , true ) ) { $ newAttributes [ ] = $ attribute ; } } return $ newAttributes ; }
Returns a list of attributes this validator applies to.
@param array|string|null $attributes the list of attributes to be validated.

- If this is `null`, the result will be equal to [[getAttributeNames()]].
- If this is a string or an array, the intersection of [[getAttributeNames()]]
and the specified attributes will be returned.

@return array list of attribute names.
@since 2.0.16
Returns a list of attributes this validator applies to . @param array|string|null $attributes the list of attributes to be validated .