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Revision Autor Zeilennr. Zeile
148 lars 1 
<?php
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namespace Hamcrest\Arrays;
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/*
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 Copyright (c) 2009 hamcrest.org
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 */
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use Hamcrest\Description;
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use Hamcrest\Matcher;
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use Hamcrest\TypeSafeMatcher;
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use Hamcrest\Util;
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/**
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 * Matches if an array contains the specified key.
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 */
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class IsArrayContainingKey extends TypeSafeMatcher
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{
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    private $_keyMatcher;
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    public function __construct(Matcher $keyMatcher)
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    {
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        parent::__construct(self::TYPE_ARRAY);
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        $this->_keyMatcher = $keyMatcher;
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    }
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    protected function matchesSafely($array)
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    {
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        foreach ($array as $key => $element) {
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            if ($this->_keyMatcher->matches($key)) {
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                return true;
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            }
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        }
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        return false;
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    }
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    protected function describeMismatchSafely($array, Description $mismatchDescription)
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    {
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        //Not using appendValueList() so that keys can be shown
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        $mismatchDescription->appendText('array was ')
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                                                ->appendText('[')
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                                                ;
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        $loop = false;
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        foreach ($array as $key => $value) {
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            if ($loop) {
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                $mismatchDescription->appendText(', ');
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            }
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            $mismatchDescription->appendValue($key)->appendText(' => ')->appendValue($value);
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            $loop = true;
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        }
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        $mismatchDescription->appendText(']');
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    }
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    public function describeTo(Description $description)
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    {
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        $description
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                 ->appendText('array with key ')
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                 ->appendDescriptionOf($this->_keyMatcher)
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                 ;
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    }
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    /**
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     * Evaluates to true if any key in an array matches the given matcher.
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     *
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     * @param mixed $key as a {@link Hamcrest\Matcher} or a value.
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     *
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     * @return \Hamcrest\Arrays\IsArrayContainingKey
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     * @factory hasKey
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     */
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    public static function hasKeyInArray($key)
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    {
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        return new self(Util::wrapValueWithIsEqual($key));
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    }
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}