<?php
namespace Hamcrest\Arrays;

/*
 Copyright (c) 2009 hamcrest.org
 */
use Hamcrest\Description;
use Hamcrest\Matcher;
use Hamcrest\TypeSafeMatcher;
use Hamcrest\Util;

/**
 * Matches if an array contains the specified key.
 */
class IsArrayContainingKey extends TypeSafeMatcher
{

    private $_keyMatcher;

    public function __construct(Matcher $keyMatcher)
    {
        parent::__construct(self::TYPE_ARRAY);

        $this->_keyMatcher = $keyMatcher;
    }

    protected function matchesSafely($array)
    {
        foreach ($array as $key => $element) {
            if ($this->_keyMatcher->matches($key)) {
                return true;
            }
        }

        return false;
    }

    protected function describeMismatchSafely($array, Description $mismatchDescription)
    {
        //Not using appendValueList() so that keys can be shown
        $mismatchDescription->appendText('array was ')
                                                ->appendText('[')
                                                ;
        $loop = false;
        foreach ($array as $key => $value) {
            if ($loop) {
                $mismatchDescription->appendText(', ');
            }
            $mismatchDescription->appendValue($key)->appendText(' => ')->appendValue($value);
            $loop = true;
        }
        $mismatchDescription->appendText(']');
    }

    public function describeTo(Description $description)
    {
        $description
                 ->appendText('array with key ')
                 ->appendDescriptionOf($this->_keyMatcher)
                 ;
    }

    /**
     * Evaluates to true if any key in an array matches the given matcher.
     *
     * @param mixed $key as a {@link Hamcrest\Matcher} or a value.
     *
     * @return \Hamcrest\Arrays\IsArrayContainingKey
     * @factory hasKey
     */
    public static function hasKeyInArray($key)
    {
        return new self(Util::wrapValueWithIsEqual($key));
    }
}

• [F] IsArray.php
  Delete
• [F] IsArrayContaining.php
  Delete
• [F] IsArrayContainingInAnyOrder.php
  Delete
• [F] IsArrayContainingInOrder.php
  Delete
• [F] IsArrayContainingKey.php
  Delete
• [F] IsArrayContainingKeyValuePair.php
  Delete
• [F] IsArrayWithSize.php
  Delete
• [F] MatchingOnce.php
  Delete
• [F] SeriesMatchingOnce.php
  Delete

Blog Section

Discover the Latest in Digital Payments and NFC Technology

Dive into our blog to explore the cutting-edge trends in digital payments and NFC technology. Stay updated on the innovations that are revolutionizing transactions, boosting security, and making payments quicker and more convenient. Learn how these advancements are shaping the future of financial interactions and driving the global transition towards a cashless world.

The Rise of Contactless Payments:...

In recent years, contactless payments have surged in popularity, driven...

Visit Blog

March 27, 2024

Enhancing Payment Security: The Role...

As digital transactions proliferate, ensuring robust payment security is more critical than ever. Two foundational...

Visit Blog

March 27, 2024

The Future of Digital Wallets:...

Digital wallets have fundamentally transformed how we manage money, offering a streamlined, secure, and highly...

Visit Blog

March 27, 2024