PHP mt_rand() function

This function is used to return random integer. This function is based on Mersenne Twister Random Number Generator algorithm. mt_rand() method is a replacement of rand() method. This method is four times faster than rand function.

Syntax

mt_rand(min, max);

min and max are lowest and highest value to be returned. By default both are optional parameters.

Example 1

<?php
    echo mt_rand().'<br/>';
    echo mt_rand().'<br/>';
?>

Output -

1139933482
1299210441


Example 2
If you want a random integer between 1 to 1000, pass these values as parameters in mt_rand().

<?php
    echo mt_rand('1', '1000').'<br/>';
?>

Output -

4




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