<?php
/*
 * This file is part of PHPUnit.
 *
 * (c) Sebastian Bergmann <sebastian@phpunit.de>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace PHPUnit\Framework\Constraint;

use PHPUnit\Framework\ExpectationFailedException;

/**
 * Constraint that accepts any input value.
 */
class IsAnything extends Constraint
{
    /**
     * Evaluates the constraint for parameter $other
     *
     * If $returnResult is set to false (the default), an exception is thrown
     * in case of a failure. null is returned otherwise.
     *
     * If $returnResult is true, the result of the evaluation is returned as
     * a boolean value instead: true in case of success, false in case of a
     * failure.
     *
     * @param mixed  $other        Value or object to evaluate.
     * @param string $description  Additional information about the test
     * @param bool   $returnResult Whether to return a result or throw an exception
     *
     * @return mixed
     *
     * @throws ExpectationFailedException
     */
    public function evaluate($other, $description = '', $returnResult = false)
    {
        return $returnResult ? true : null;
    }

    /**
     * Returns a string representation of the constraint.
     *
     * @return string
     */
    public function toString()
    {
        return 'is anything';
    }

    /**
     * Counts the number of constraint elements.
     *
     * @return int
     */
    public function count()
    {
        return 0;
    }
}
