Rsa97

'/(?:\+?\d)?(?:\s?\(?\d{3,5}\)?\s?)?\d{1,3}-?\d{2}-?\d{2}/'

$time = '123h 5 m 07s';
if (preg_match('~(\d+)\s*h~', $time, $match)
    $hours = $match[1];
if (preg_match('~(\d+)\s*m~', $time, $match)
    $minutes = $match[1];
if (preg_match('~(\d+)\s*s~', $time, $match)
    $seconds = $match[1];

while (second != 0) {
    reminder = first % second;
    first = second;
    second = reminder;
}
nod = first;

SELECT `ui`.`id` AS `image_id`,
       `ui`.`user_id` AS `user_id`, 
       `ui`.`create_date` AS `image_create_date`,
       `ui`.`name` AS `image_name`,
       `ui`.`title` AS `image_title`,
       `ui`.`descr` AS `image_descr`,
       `ui`.`views` AS `image_views`,
       `ui`.`plus` AS `image_plus`,
       `ui`.`minus` AS `image_minus`,
       `bu`.`first_name` AS `user_first_name`,
       `bu`.`last_name` AS `user_last_name`,
       `bu`.`photo` AS `user_photo`,
       COUNT(`c`.`id`) AS  `com_cnt`
    FROM `user_images` AS `ui`
    LEFT JOIN `bpl_users` AS `bu` ON `bu`.`id` = `ui`.`user_id`
    LEFT JOIN `comments` AS `c` ON `c`.`image_id` = `ui`.`id`
    GROUP BY `ui`.`id`
    ORDER BY `ui`.`create_date` DESC LIMIT 9

CREATE INDEX `image_id_idx` ON `comments` (`image_id`);

$arr = array('word1', 'word2', 'word3');

$n = count($arr);
for ($i = 1; $i <= $n; $i++) {
    $pos[$i] = $i-1;
    $c[$i] = 1;
    $pr[$i] = 1;
}
$c[$n] = 0;

foreach($pos as $p)
    echo $arr[$p],' ';
echo "<br>";

$i = 1;
while ($i < $n) {
    $i = 1;
    $x = 0;
    while ($c[$i] == $n-$i+1) {
        $pr[$i] = 1-$pr[$i];
        $c[$i] = 1;
        $x += $pr[$i];
        $i++;
    }
    if ($i < $n) {
        $k = $pr[$i] ? $c[$i]+$x : $n-$i+1-$c[$i]+$x;
        $t = $pos[$k];
        $pos[$k] = $pos[$k+1];
        $pos[$k+1] = $t;
        foreach($pos as $p)
            echo $arr[$p],' ';
        echo "<br>";
        $c[$i]++;
    }
}

word1 word2 word3
word2 word1 word3
word2 word3 word1
word3 word2 word1
word3 word1 word2
word1 word3 word2