Code Duplication    Length = 8-8 lines in 2 locations

lib/Doctrine/ODM/MongoDB/PersistentCollection.php 2 locations

@@ 310-317 (lines=8) @@
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     *
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     * @return array
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     */
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    public function getDeleteDiff()
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    {
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        return array_udiff_assoc(
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            $this->snapshot,
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            $this->coll->toArray(),
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            function ($a, $b) { return $a === $b ? 0 : 1; }
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        );
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    }
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    /**
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     * INTERNAL: get objects that were removed, unlike getDeleteDiff this doesn't care about indices.
@@ 345-352 (lines=8) @@
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     *
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     * @return array
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     */
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    public function getInsertDiff()
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    {
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        return array_udiff_assoc(
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            $this->coll->toArray(),
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            $this->snapshot,
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            function ($a, $b) { return $a === $b ? 0 : 1; }
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        );
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    }
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    /**
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     * INTERNAL: