Class ValidationRule

ValidationRule object. Represents a validation method, error message and rules for applying such method to a field.

Namespace: Cake\Validation

Properties summary

  • $_last protected
    bool

    The 'last' key

  • $_message protected
    string

    The 'message' key

  • $_on protected
    string|callable

    The 'on' key

  • $_pass protected
    array

    Extra arguments to be passed to the validation method

  • $_provider protected
    string

    Key under which the object or class where the method to be used for validation will be found

  • $_rule protected
    string|callable

    The method to be called for a given scope

Method Summary

  • __construct() public

    Constructor

  • _addValidatorProps() protected

    Sets the rule properties from the rule entry in validate

  • _skip() protected

    Checks if the validation rule should be skipped

  • get() public

    Returns the value of a property by name

  • isLast() public

    Returns whether this rule should break validation process for associated field after it fails

  • process() public

    Dispatches the validation rule to the given validator method and returns a boolean indicating whether the rule passed or not. If a string is returned it is assumed that the rule failed and the error message was given as a result.

Method Detail

__construct() public 

__construct(array $validator)

Constructor

Parameters

array $validator optional

[optional] The validator properties

_addValidatorProps() protected 

_addValidatorProps(array $validator)

Sets the rule properties from the rule entry in validate

Parameters

array $validator optional

[optional]

_skip() protected 

_skip(array $context)

Checks if the validation rule should be skipped

Parameters

array $context

A key value list of data that could be used as context during validation. Recognized keys are:

  • newRecord: (boolean) whether or not the data to be validated belongs to a new record
  • data: The full data that was passed to the validation process
  • providers associative array with objects or class names that will be passed as the last argument for the validation method

Returns

bool

True if the ValidationRule should be skipped

get() public 

get(string $property)

Returns the value of a property by name

Parameters

string $property

The name of the property to retrieve.

Returns

mixed

isLast() public 

isLast()

Returns whether this rule should break validation process for associated field after it fails

Returns

bool

process() public 

process(mixed $value, array $providers, array $context)

Dispatches the validation rule to the given validator method and returns a boolean indicating whether the rule passed or not. If a string is returned it is assumed that the rule failed and the error message was given as a result.

Parameters

mixed $value

The data to validate

array $providers

associative array with objects or class names that will be passed as the last argument for the validation method

array $context optional

A key value list of data that could be used as context during validation. Recognized keys are:

  • newRecord: (boolean) whether or not the data to be validated belongs to a new record
  • data: The full data that was passed to the validation process
  • field: The name of the field that is being processed

Returns

bool|string|array

Throws

InvalidArgumentException
when the supplied rule is not a valid callable for the configured scope

Property Detail

$_last protected

The 'last' key

Type

bool

$_message protected

The 'message' key

Type

string

$_on protected

The 'on' key

Type

string|callable

$_pass protected

Extra arguments to be passed to the validation method

Type

array

$_provider protected

Key under which the object or class where the method to be used for validation will be found

Type

string

$_rule protected

The method to be called for a given scope

Type

string|callable

© 2005–present The Cake Software Foundation, Inc.
Licensed under the MIT License.
CakePHP is a registered trademark of Cake Software Foundation, Inc.
We are not endorsed by or affiliated with CakePHP.
https://api.cakephp.org/4.1/class-Cake.Validation.ValidationRule.html