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- <?php
- session_start();
- $db_hostname = 'localhost';
- $db_database = 'hewden1';
- $db_username = 'root';
- $db_password = '';
- $db_server = mysql_connect($db_hostname, $db_username, $db_password)
- or die("Unable to connect to MySQL: " . mysql_error());
- mysql_select_db($db_database)
- or die("Unable to select database: " . mysql_error());
- $num0 = (rand(10,100));
- $num1 = date("Ymd");
- $num2 = (rand(100,1000));
- $num3 = time();
- $randnum = $num0 . $num1 . $num2 . $num3;
- $sql="INSERT INTO supplier_session (session_number)
- VALUES ('$randnum')";
- $result = mysql_query($sql);
- ?>
- $randnum = rand(1111111111,9999999999);
- <?php
- for ($randomNumber = mt_rand(1, 9), $i = 1; $i < 10; $i++) {
- $randomNumber .= mt_rand(0, 9);
- }
- var_dump($randomNumber); //eg. string(10) "9152676628"
- SIGNED INT - 2147483647
- UNSIGNED INT - 4294967295
- SIGNED BIGINT - 9223372036854775807
- UNSIGNED BIGINT - 18446744073709551615
- $MIN_SESSION_ID = 1000000000;
- $MAX_SESSION_ID = 9999999999;
- $randId = mt_rand($MIN_SESSION_ID, $MAX_SESSION_ID);
- echo $randId;
- private string generaterandomnumber()
- {
- string Rand1 = RandomString(8);
- string Rand2 = RandomString(8);
- docNum = Rand1 + "-" + Rand2;
- MD5 md5 = new MD5CryptoServiceProvider();
- md5.ComputeHash(ASCIIEncoding.ASCII.GetBytes(docNum));
- //get hash result after compute it
- byte[] result = md5.Hash;
- StringBuilder strBuilder = new StringBuilder();
- for (int i = 0; i < result.Length; i++)
- {
- //change it into 2 hexadecimal digits
- //for each byte
- strBuilder.Append(result[i].ToString("x2"));
- }
- return strBuilder.ToString();
- }
- $x = 10; // Amount of digits
- $min = pow(10,$x);
- $max = pow(10,$x+1)-1);
- $value = rand($min, $max);
- <?php
- echo mt_rand();
- ?>
- function random_num ($len)
- {
- $ch = "0123456789";
- $l = strlen ($ch) - 1;
- $str = "";
- for ($i=0; $i < $len; $i++)
- {
- $x = rand (0, $l);
- $str .= $ch[$x];
- }
- return $str;
- }
- unset($num0, $num1, $num2, $num3);
- $num0 = (rand(10,100));
- $num1 = date("Ymd");
- $num2 = (rand(100,1000));
- $num3 = time();
- $randnum = $num0 . $num1 . $num2 . $num3;
- <?php
- function generateRandomNumber($length = 10) {
- $number = '1234567890';
- $numberLength = strlen($number);
- $randomNumber = '';
- for ($i = 0; $i < $length; $i++) {
- $randomNumber .= $number[rand(0, $numberLength - 1)];
- }
- return $randomNumber;
- }
- echo generateRandomNumber();
- ?>
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