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ArrayHasKey.php
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<?php declare(strict_types=1); /* * 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 function array_key_exists; use function is_array; use ArrayAccess; use PHPUnit\Util\Exporter; /** * @no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit */ final class ArrayHasKey extends Constraint { private readonly mixed $key; public function __construct(mixed $key) { $this->key = $key; } /** * Returns a string representation of the constraint. */ public function toString(): string { return 'has the key ' . Exporter::export($this->key); } /** * Evaluates the constraint for parameter $other. Returns true if the * constraint is met, false otherwise. */ protected function matches(mixed $other): bool { if (is_array($other)) { return array_key_exists($this->key, $other); } if ($other instanceof ArrayAccess) { return $other->offsetExists($this->key); } return false; } /** * 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. */ protected function failureDescription(mixed $other): string { return 'an array ' . $this->toString(true); } }
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