Generate String and Number

generate-string-number.php

<?php
function generateRandomString($length = 10) {
  $characters = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
  $charactersLength = strlen($characters);
  $randomString = '';
  for ($i = 0; $i < $length; $i++) {
      $randomString .= $characters[rand(0, $charactersLength - 1)];
  }
  return $randomString;
}
function generateRandomNumber($length = 10) {
  $characters = '0123456789';
  $charactersLength = strlen($characters);
  $randomNumber = '';
  for ($i = 0; $i < $length; $i++) {
      $randomNumber .= $characters[rand(0, $charactersLength - 1)];
  }
  return $randomNumber;
}
?>