PHP rand() Function

PHP Math Reference : Generate random numbers

Definition and Usage

The rand() function generates a random integer.

Example tip: If you want a random integer between 10 and 100 (inclusive), use rand (10,100).

Tip: As of PHP 7.1, the rand() function has been an alias of the mt_rand() function.

rand();

or

rand(min,max);

Parameter	Description
min	Optional. Specifies the lowest number to return. Default is 0
max	Optional. Specifies the highest number to return. Default is getrandmax()

Return Value:	A random integer between min (or 0) and max (or getrandmax() inclusive)
Return Type:	Integer
PHP Version:	4+
PHP Changelog:	PHP 7.1: The rand() function is an alias of mt_rand(). PHP 4.2.0: The random number generator is seeded automatically.

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