How to get n digit random numers in php?

function generate_number_code( $length = 8 ) {
  $chars = "0123456789";
  $password = substr( str_shuffle( $chars ), 0, $length );
  return $password;
 }

JS get random Numbers

function getRandom(length) {
 var rand = Math.floor(Math.pow(10, length-1) + Math.random() * 9 * Math.pow(10, length-1));
 return rand;
}

PHP - Mysql Get date between two date ranges

Fetching records between two date ranges

Between two years
SELECT * FROM `dt_tb` WHERE year( dt2 ) between 2004 and 2005
Between two month ranges. 
SELECT * FROM `dt_tb` WHERE month(dt) between '02' and '08'

SELECT * FROM `dt_tb` WHERE month(dt) between '02' and '08' and year(dt) between 2004 and 2005

Between two date ranges
SELECT * FROM `dt_tb` WHERE dt BETWEEN '2005-01-01' AND '2005-12-31'