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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;
/**
* @no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit
*/
final class ArrayHasKey extends Constraint
{
/**
* @var int|string
*/
private $key;
/**
* @param int|string $key
*/
public function __construct($key)
{
$this->key = $key;
}
/**
* Returns a string representation of the constraint.
*
* @throws \SebastianBergmann\RecursionContext\InvalidArgumentException
*/
public function toString(): string
{
return 'has the key ' . $this->exporter()->export($this->key);
}
/**
* 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 (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.
*
* @param mixed $other evaluated value or object
*
* @throws \SebastianBergmann\RecursionContext\InvalidArgumentException
*/
protected function failureDescription($other): string
{
return 'an array ' . $this->toString();
}
}
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