lithium\util\Set::format PHP Method

    public static function format($data, $format, $keys)
    {
        $extracted = array();
        $count = count($keys);
        if (!$count) {
            return;
        }
        for ($i = 0; $i < $count; $i++) {
            $extracted[] = static::extract($data, $keys[$i]);
        }
        $out = array();
        $data = $extracted;
        $count = count($data[0]);
        if (preg_match_all('/\\{([0-9]+)\\}/msi', $format, $keys2) && isset($keys2[1])) {
            $keys = $keys2[1];
            $format = preg_split('/\\{([0-9]+)\\}/msi', $format);
            $count2 = count($format);
            for ($j = 0; $j < $count; $j++) {
                $formatted = '';
                for ($i = 0; $i <= $count2; $i++) {
                    if (isset($format[$i])) {
                        $formatted .= $format[$i];
                    }
                    if (isset($keys[$i]) && isset($data[$keys[$i]][$j])) {
                        $formatted .= $data[$keys[$i]][$j];
                    }
                }
                $out[] = $formatted;
            }
            return $out;
        }
        $count2 = count($data);
        for ($j = 0; $j < $count; $j++) {
            $args = array();
            for ($i = 0; $i < $count2; $i++) {
                if (isset($data[$i][$j])) {
                    $args[] = $data[$i][$j];
                }
            }
            $out[] = vsprintf($format, $args);
        }
        return $out;
    }

	public function testFormat() {
		$data = array(
			array('Person' => array(
				'first_name' => 'Nate', 'last_name' => 'Abele',
				'city' => 'Queens', 'state' => 'NY', 'something' => '42'
			)),
			array('Person' => array(
				'first_name' => 'Joel', 'last_name' => 'Perras',
				'city' => 'Montreal', 'state' => 'Quebec', 'something' => '{0}'
			)),
			array('Person' => array(
				'first_name' => 'Garrett', 'last_name' => 'Woodworth',
				'city' => 'Venice Beach', 'state' => 'CA', 'something' => '{1}'
			))
		);

		$result = Set::format($data, '{1}, {0}', array('/Person/first_name', '/Person/last_name'));
		$expected = array('Abele, Nate', 'Perras, Joel', 'Woodworth, Garrett');
		$this->assertEqual($expected, $result);

		$result = Set::format($data, '{0}, {1}', array('/Person/last_name', '/Person/first_name'));
		$this->assertEqual($expected, $result);

		$result = Set::format($data, '{0}, {1}', array('/Person/city', '/Person/state'));
		$expected = array('Queens, NY', 'Montreal, Quebec', 'Venice Beach, CA');
		$this->assertEqual($expected, $result);

		$result = Set::format($data, '{{0}, {1}}', array('/Person/city', '/Person/state'));
		$expected = array('{Queens, NY}', '{Montreal, Quebec}', '{Venice Beach, CA}');
		$this->assertEqual($expected, $result);

		$result = Set::format($data, '{{0}, {1}}', array(
			'/Person/something', '/Person/something'
		));
		$expected = array('{42, 42}', '{{0}, {0}}', '{{1}, {1}}');
		$this->assertEqual($expected, $result);

		$result = Set::format($data, '{%2$d, %1$s}', array(
			'/Person/something', '/Person/something'
		));
		$expected = array('{42, 42}', '{0, {0}}', '{0, {1}}');
		$this->assertEqual($expected, $result);

		$result = Set::format($data, '{%1$s, %1$s}', array(
			'/Person/something', '/Person/something'
		));
		$expected = array('{42, 42}', '{{0}, {0}}', '{{1}, {1}}');
		$this->assertEqual($expected, $result);

		$result = Set::format($data, '%2$d, %1$s', array(
			'/Person/first_name', '/Person/something'
		));
		$expected = array('42, Nate', '0, Joel', '0, Garrett');
		$this->assertEqual($expected, $result);

		$result = Set::format($data, '%1$s, %2$d', array(
			'/Person/first_name', '/Person/something'
		));
		$expected = array('Nate, 42', 'Joel, 0', 'Garrett, 0');
		$this->assertEqual($expected, $result);
	}