generátor náhodných čísel v php
you can use rand() function for that in php.
Example:
Generate random numbers between 1 to 50
<?php
echo rand(1,50);
?>
php náhodné číslo
// $min and $max are optional
rand($min,$max);
php rand int
random_int ( int $min , int $max );
php náhodné číslo
rand();
randhex php
function random_part() {
return str_pad( dechex( mt_rand( 0, 255 ) ), 2, '0', STR_PAD_LEFT);
}
function randomHEX($amount) {
$_result = "";
for ($i = 0 ; $i < $amount; $i++) {
$_result .= random_part();
}
return $_result;
}
//to get a 16 HEX number
echo randomHEX(8);
php rand vs mt_rand
// Since PHP7.1 rand() has become an alias of mt_rand()
// mt_rand() was supposed to be faster and more random than rand() in older PHP Versions
// That means you can use rand() instead of mt_rand() on newer Versions
<?php
rand(1, 100); // will generate a random number between 1 and 100
?>