chippyash/Validation

<?php

declare(strict_types=1);

/**
 * Chippyash/validation
 *
 * Validation
 *
 * @author    Ashley Kitson
 * @copyright Ashley Kitson, 2015, UK
 *
 * @link http://php.net/manual/en/functions.anonymous.php
 */
namespace Chippyash\Validation;

use Chippyash\Validation\Exceptions\ValidationException;

/**
 * Create your validators from this
 *
 * Multi Validator capability using anonymous functions
 */
class ValidationProcessor
{
    /**
     * Validation functions
     * @var array
     */
    protected $func = [];

    /**
     * Construct with initial validation function
     *
     * @param  \callable $func
     * @throws ValidationException
     */
    public function __construct(callable $func)
    {
        $this->messenger = new Messenger();
        $this->add($func);
    }

    /**
     * Add a validator
     * @param \callable $func
     * @return $this Fluent Interface
     * @throws ValidationException
     */
    public function add(callable $func)
    {
        $this->func[] = $func;
        return $this;
    }

    /**
     * Validate
     *
     * @param  mixed $value
     * @return boolean
     */
    public function validate($value)
    {
        $messenger = $this->messenger->clear();
        return array_reduce(
            $this->func,
            function (&$result, $func) use ($value, $messenger) {
                return $result && $func($value, $messenger);
            },
            true
        );
    }

    /**
     * Get messages resulting from the last validation
     *
     * @return Messenger
     */
    public function getMessenger()
    {
        return $this->messenger;
    }
}