The laminas/laminas-validator is a powerful PHP package designed for data validation. It offers a vast selection of validation classes that can be utilized across a wide range of domains. One of its distinct features is the ability to chain validators. This enables the creation of complex validation criteria by applying multiple validators to a single piece of data in a specific, user-defined sequence.
You can incorporate the laminas/laminas-validator into your PHP project using composer, a popular package manager used for PHP. You should first ensure that you have composer installed and ready to go. Next, run the following command in your terminal:
$ composer require laminas/laminas-validator
After successfully installing the laminas/laminas-validator, you can utilize its functionalities in your PHP files by invoking the validators it provides.
Here's a simple example:
use Laminas\Validator;
$validatorChain = new Validator\ValidatorChain();
$validatorChain->attach(new Validator\StringLength(array('min' => 6, 'max' => 12)))
->attach(new Validator\Regex(array('pattern' => '/[a-zA-Z0-9_-]+$/')));
$isValid = $validatorChain->isValid($value); // returns boolean
In the above example, we first import the required Laminas Validator classes. Next, we create a ValidatorChain instance and attach two validators: StringLength and Regex to it. Finally, we check if a value is valid according to the chained validators.
The comprehensive documentation of the laminas/laminas-validator can be browsed online at https://docs.laminas.dev/laminas-validator/. The documentation provides in-depth information on various validators available in the package, and details on how to use them, making it an invaluable guide to effectively utilize the powerful functionalities of laminas/laminas-validator.
