Lithium Docs

						public function testReadAndWritePoValidation() {
		$this->adapter->mo = false;
		mkdir("{$this->_path}/de/LC_VALIDATION", 0755, true);

		$file = "{$this->_path}/de/LC_VALIDATION/default.po";
		$catalog = array(
			'phone' => array(
				'id' => 'phone',
				'ids' => array('singular' => 'phone'),
				'flags' => array(),
				'translated' => '/[0-9].*/i',
				'occurrences' => array(),
				'comments' => array()
			)
		);
		$po = <<<EOD
msgid "phone"
msgstr "/[0-9].*/i"
EOD;

		file_put_contents($file, $po);
		$result = $this->adapter->read('validation', 'de', null);
		$this->assertEqual($catalog, $result);

		unlink($file);

		$this->adapter->write('validation', 'de', null, $catalog);
		$result = file_get_contents($file);
		$this->assertPattern('/' . preg_quote($po, '/') . '/', $result);
	}