Code Duplication    Length = 9-9 lines in 2 locations

src/EntityCollection.php 2 locations

@@ 63-71 (lines=9) @@
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     *
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     * @return boolean
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     */
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    public function offsetExists($offset)
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    {
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        $offset = filter_var($offset, FILTER_VALIDATE_INT);
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        if ($offset !== false) {
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            return array_key_exists($offset, $this->container);
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        }
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        return false;
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    }
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    /**
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     * Unsets the value at the specified index.
@@ 95-103 (lines=9) @@
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     *
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     * @return EntityInterface|null
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     */
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    public function offsetGet($offset)
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    {
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        $offset = filter_var($offset, FILTER_VALIDATE_INT);
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        if ($offset === false) {
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            return null;
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        }
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        return Util\Arrays::get($this->container, $offset);
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    }
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    /**
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     * Converts this entity collection into an xml string.