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Package validation
Short Description Validation error collector and transformer
License MIT
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Informations about the package validation
Validation
A validation library for PHP that uses the notification pattern.
Table of contents
- Requirements
- Installation
- Usage
- Validating form data
- Validating JSON
- Regex
- Validators
- CakePHP Validator
- Transformer
- License
Requirements
- PHP 8.1+
Installation
Usage
A notification is a collection of errors
In order to use a notification, you have to create the ValidationResult object. A ValidationResult can be really
simple:
You can now test the ValidationResult and throw an exception if it contains errors.
Validating form data
Login example:
Validating JSON
Validating a JSON request works like validating form data, because in PHP it's just an array from the request object.
In vanilla PHP you can fetch the JSON request as follows:
Regex
The Selective\Validation\Regex\ValidationRegex class allows you to validate if
a given string conforms a defined regular expression.
Example usage:
Middleware
The ValidationExceptionMiddleware catches the ValidationException and converts it into a nice JSON response.
Slim 4 integration
Insert a container definition for ValidationExceptionMiddleware::class:
Add the ValidationExceptionMiddleware into your middleware stack:
Usage in Slim
Validators
You can combine this library with a validator that is doing the actual validation of your input data.
The converter pattern makes it easy to map instances of one class into instances of another class.
CakePHP Validator
The cakephp/validation library provides features to build validators that can validate arbitrary arrays of data with ease.
Installation
Usage
The Cake\Validation\Validator::validate() method returns a non-empty array when
there are validation failures. The list of errors then can be converted into
a ValidationResult using the Selective\Validation\Factory\CakeValidationFactory
or Selective\Validation\Converter\CakeValidationConverter.
For example, if you want to validate a login form you could do the following:
Please note: The CakeValidationFactory should be injected via constructor.
Read more: https://odan.github.io/2020/10/18/slim4-cakephp-validation.html
Transformer
If you want to implement a custom response data structure,
you can implement a custom transformer against the
\Selective\Validation\Transformer\ResultTransformerInterface interface.
Example
License
The MIT License (MIT). Please see License File for more information.
All versions of validation with dependencies
ext-json Version *
psr/http-factory Version ^1.0.1
psr/http-server-middleware Version ^1.0.1