getrandmax()

getrandmax() — Show largest possible random value.

Built-in function of PHP 8.5. The manual lists it as available in PHP 4, PHP 5, PHP 7, PHP 8. This page is the reference card: signature, parameters and return value, plus the changelog and the example the manual provides.

What it does

Returns the maximum value that can be returned by a call to rand().

Signature

getrandmax(): int

Parameters

This function takes no parameters.

Return value

The largest possible random value returned by rand()

Example

The PHP manual ships no example for getrandmax(); the signature and the parameter table above are the contract.

See also

rand(), srand(), mt_getrandmax()

All PHP 8.5 built-in functions

Reference card built from the PHP manual page getrandmax() (PHP documentation, CC BY 3.0). The page is generated from the manual, so the wording of the parameter and return value text follows php.net.