PHP rand() Function – Generating Random Integers

The PHP rand() function returns a pseudo‑random integer between a specified minimum and maximum, or between 0 and getrandmax() when no arguments are given.

Parameters

min – The lowest value to return (default 0).

max – The highest value to return (default getrandmax()).

Return value

A pseudo‑random integer between min (or 0) and max.

Example

<?php
echo rand();
"
"; // 7771
echo rand();
"
"; // 22264
echo rand(5,15);
"
"; // 11
?>