PHP mt_getrandmax() Function
Last Updated :
14 Sep, 2023
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The mt_getrandmax() is an inbuilt function in PHP that is used to return the largest possible value of random numbers.
Syntax
mt_getrandmax(): int
Parameter
This function does not accept any parameter.
Return Value
The mt_getrandmax() function returns the integer representing the maximum value that can be generated by the mt_rand() Function.
Program 1: The following program demonstrates mt_getrandmax() Function.
<?php
// Get the maximum random number that
// can be generated using mt_rand()
$maxRandomValue = mt_getrandmax();
echo "Maximum random number: " . $maxRandomValue;
?>
Output
Maximum random number: 2147483647
Program 2: The following program demonstrates mt_getrandmax() Function.
<?php
$randomNumber = mt_rand(0, mt_getrandmax());
echo "Random number: " . $randomNumber . PHP_EOL;
?>
Output
Random number: 2084185664
Reference: https://www.php.net/manual/en/function.mt-getrandmax.php