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Php rand () function

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(PHP 3, PHP 4 , PHP 5)

rand -- Generate a random integer

Syntax

int rand ( [int min, int max] )

If called without the optional min, max arguments rand() returns a pseudo-random integer between 0 and RAND_MAX. If you want a random number between 5 and 15 (inclusive), for example, use rand (5, 15).

Example 1. rand() example

<?php
echo rand() . "\n";
echo
rand() . "\n";

echo
rand(5, 15);
?>

The above example will output something similar to:

7771
22264
11

Note: On some platforms (such as Windows) RAND_MAX is only 32768. If you require a range larger than 32768, specifying min and max will allow you to create a range larger than RAND_MAX, or consider using mt_rand() instead.

Note: As of PHP 4.2.0, there is no need to seed the random number generator with srand() or mt_srand() as this is now done automatically.

Note: In versions before 3.0.7 the meaning of max was range. To get the same results in these versions the short example should be rand (5, 11) to get a random number between 5 and 15.

See also: srand(), getrandmax(), and mt_rand().

Php rand Function syntax tag

rand php code on this is provided for your study purpose, it will guide you to know how create and design a website using php. use it to practice and train your self online



Php rand syntax tutorial

php tutorial guide and code design are for easy learning and programming. The code practice section provided at the top is for practising of this syntax. Use the code section up to practice your php programming online. Learning php is very easy, all you need is to use the examples on this site and practice them to perfect your skills.


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