Антон

$arr = array(
  'title_1' => '1111111',
  'title_2' => '2222222',
  'title_3' => '33333333',
  'title_4' => '4444444444',
  'text_1' => 'aaa111',
  'text_2' => 'aaa222',
  'text_3' => 'aaa333',
  'text_4' => 'aaaa444', 
  'olol' => 'wssss',
  'sssss' => 'xxxxxxx', 
  'zzzzzzzzzzzzzz' => 'w222222sss',  
  'vfdsvsvds' => 'vdszxvsdsdv', 
);
$group = array();
foreach($arr as $key => $item) {
  if(strpos($key, 'text') !== false || strpos($key, 'title') !== false) {
    $group[substr($key, -1)][$key] = $item;
  }
}
$group = array_values($group);
print_r($group);

Array
(
    [0] => Array
        (
            [title_1] => 1111111
            [text_1] => aaa111
        )

    [1] => Array
        (
            [title_2] => 2222222
            [text_2] => aaa222
        )

    [2] => Array
        (
            [title_3] => 33333333
            [text_3] => aaa333
        )

    [3] => Array
        (
            [title_4] => 4444444444
            [text_4] => aaaa444
        )

)

$timestamp = 1563452254;
$date_start=date("d.m.Y H:i:s", $timestamp);
$date_end=date("d.m.Y H:i:s", strtotime('+5 day',$timestamp));

echo $date_start.PHP_EOL; // 18.07.2019 12:17:34
echo $date_end.PHP_EOL; // 23.07.2019 12:17:34

SELECT `a`.`Message_ID`, `a`.`Price`, `mf`.`Path` FROM `Message2000` AS `a` LEFT JOIN `Multifield` AS `mf` ON (`mf`.`Message_ID` = `a`.`Message_ID` AND `mf`.`Field_ID` = 2341) ORDER BY IF((mf.ID AND a.Price > 0), 1, 0) DESC, mf.ID DESC, a.Price DESC