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What is the use of rand() in php?

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What is the use of rand() in php?
posted Jan 8, 2016 by anonymous

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Definition and Usage

The rand() function generates a random integer.

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

Tip: The mt_rand() function produces a better random value, and is 4 times faster than rand().

Syntax

rand();

or

rand(min,max);

Parameter Description

min Optional. Specifies the lowest number to be returned. Default is 0

max Optional. Specifies the highest number to be returned. Default is getrandmax()

Technical Details

Return Value: A random integer between min (or 0) and max (or getrandmax() inclusive)

Return Type: Integer

PHP Version: 4+

PHP Changelog: PHP 4.2.0: Random number generator is seeded automatically

answer Jan 8, 2016 by Manikandan J
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