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<?php declare(strict_types=1);
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/*
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 * This file is part of PHPUnit.
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 *
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 * (c) Sebastian Bergmann <sebastian@phpunit.de>
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 *
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 * For the full copyright and license information, please view the LICENSE
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 * file that was distributed with this source code.
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 */
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namespace PHPUnit\Framework\Constraint;
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use function array_key_exists;
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use function is_array;
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use ArrayAccess;
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/**
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 * @no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit
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 */
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final class ArrayHasKey extends Constraint
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{
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    /**
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     * @var int|string
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     */
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    private $key;
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    /**
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     * @param int|string $key
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     */
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    public function __construct($key)
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    {
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        $this->key = $key;
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    }
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    /**
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     * Returns a string representation of the constraint.
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     *
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     * @throws \SebastianBergmann\RecursionContext\InvalidArgumentException
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     */
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    public function toString(): string
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    {
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        return 'has the key ' . $this->exporter()->export($this->key);
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    }
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    /**
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     * Evaluates the constraint for parameter $other. Returns true if the
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     * constraint is met, false otherwise.
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     *
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     * @param mixed $other value or object to evaluate
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     */
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    protected function matches($other): bool
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    {
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        if (is_array($other)) {
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            return array_key_exists($this->key, $other);
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        }
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        if ($other instanceof ArrayAccess) {
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            return $other->offsetExists($this->key);
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        }
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        return false;
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    }
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    /**
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     * Returns the description of the failure.
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     *
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     * The beginning of failure messages is "Failed asserting that" in most
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     * cases. This method should return the second part of that sentence.
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     *
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     * @param mixed $other evaluated value or object
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     *
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     * @throws \SebastianBergmann\RecursionContext\InvalidArgumentException
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     */
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    protected function failureDescription($other): string
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    {
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        return 'an array ' . $this->toString();
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    }
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}