Do you know how to create or generate random number in php following function we will use to create random number : rand() : <?php echo (rand() . "<br>" ); echo (rand() . "<br>" ); echo (rand( 10 , 100 )); ?> basically syntax of rand function : <?php rand(); or rand(min,max); ?> min is minimum number of integer value defult is 0 max is maxinum number of digit mt_rand() Generate a random value via the Mersenne Twister Random Number Generator <?php echo mt_rand () . "\n" ; echo mt_rand () . "\n" ; echo mt_rand ( 10 , 15 ); ?> mt_srand() - the Mersenne Twister Random Number Generator mt_getrandmax() - Show largest possible random value random_int() - Generates cryptographically secure pseudo-random integers random_bytes() - Generates cryptographically secure pseudo-random bytes openssl_random_pseudo_bytes() - Generate a pseudo-random string of bytes rand() ...