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Class ValidationRule

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

Namespace: Cake\Validation

Property Summary

  • $_last protected
    bool

    The 'last' key

  • $_message protected
    string

    The 'message' key

  • $_on protected
    callable|string

    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
    callable|string

    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<string, mixed> $validator = [])

Constructor

Parameters

array<string, mixed> $validator optional

[optional] The validator properties

_addValidatorProps() protected

_addValidatorProps(array<string, mixed> $validator = []): void

Sets the rule properties from the rule entry in validate

Parameters

array<string, mixed> $validator optional

[optional]

Returns

void

_skip() protected

_skip(array<string, mixed> $context): bool

Checks if the validation rule should be skipped

Parameters

array<string, mixed> $context

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

  • newRecord: (boolean) whether 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

get() public

get(string $property): mixed

Returns the value of a property by name

Parameters

string $property

The name of the property to retrieve.

Returns

mixed

isLast() public

isLast(): bool

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

Returns

bool

process() public

process(mixed $value, array<string, mixed> $providers, array<string, mixed> $context = []): array|string|bool

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<string, mixed> $providers

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

array<string, mixed> $context optional

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

  • newRecord: (boolean) whether 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

array|string|bool

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

callable|string

$_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

callable|string

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https://api.cakephp.org/4.4/class-Cake.Validation.ValidationRule.html