EVOLUTION-MANAGER
Edit File: IsEmpty.php
<?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 Countable; /** * Constraint that checks whether a variable is empty(). */ class IsEmpty extends Constraint { /** * Returns a string representation of the constraint. */ public function toString(): string { return 'is empty'; } /** * Evaluates the constraint for parameter $other. Returns true if the * constraint is met, false otherwise. * * @param mixed $other value or object to evaluate */ protected function matches($other): bool { if ($other instanceof \EmptyIterator) { return true; } if ($other instanceof Countable) { return \count($other) === 0; } return empty($other); } /** * Returns the description of the failure * * The beginning of failure messages is "Failed asserting that" in most * cases. This method should return the second part of that sentence. * * @param mixed $other evaluated value or object */ protected function failureDescription($other): string { $type = \gettype($other); return \sprintf( '%s %s %s', $type[0] == 'a' || $type[0] == 'o' ? 'an' : 'a', $type, $this->toString() ); } }