Valdi\Validator\Comparator

Complexity

Total Complexity

6

Size/Duplication

Total Lines	53
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Importance

Changes	5
Bugs	0	Features	1

4 Methods

Rating	Name	Duplication	Size	Complexity
	compare()	0	1	?
A	allNumeric()	0	8	3
A	__construct()	0	3	1
A	validate()	0	7	2

<?php

/*
 * This file is part of the Valdi package.
 *
 * (c) Philip Lehmann-Böhm <philip@philiplb.de>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Valdi\Validator;

/**
 * Validator for comparing values.
 */
abstract class Comparator extends ParametrizedValidator {

    /**
     * Holds the amount of parameters.
     */
    protected $amountOfParameters;

    /**
     * Performs the comparison.
     *
     * @param mixed $a
     * the first value to compare
     * @param mixed $parameters
     * the values to compare
     *
     * @return boolean
     * true if a compares to the values
     */
    abstract protected function compare($a, $parameters);

    /**
     * Checks whether all given parameters are numeric.
     *
     * @return boolean
     * true if all values are numeric
     */
    protected function allNumeric() {
        foreach (func_get_args() as $value) {
            if (!is_numeric($value)) {
                return false;
            }
        }
        return true;
    }

    /**
     * Constructor.
     */
    public function __construct() {
        $this->amountOfParameters = 1;
    }

    /**
     * {@inheritdoc}
     */
    public function validate($value, array $parameters) {

        $this->validateParameterCount('max', $this->amountOfParameters, $parameters);

        return in_array($value, array('', null), true) ||
            $this->compare($value, $parameters);
    }
}