Code Duplication    Length = 3-3 lines in 2 locations

lib/backend/database.php 2 locations

@@ 235-237 (lines=3) @@
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		$updates[] = $now;
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		$updates[] = $addressBookId;
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		if ($this->addressBooks && isset($this->addressBooks[$addressBookId])) {
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			$this->addressBooks[$addressBookId]['lastmodified'] = $now;
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		}
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		try {
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@@ 405-407 (lines=3) @@
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	*/
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	public function lastModifiedAddressBook($addressBookId) {
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		if ($this->addressBooks && isset($this->addressBooks[$addressBookId])) {
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			return $this->addressBooks[$addressBookId]['lastmodified'];
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		}
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		$addressBook = $this->getAddressBook($addressBookId);
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		if($addressBook) {