PHP srand() Function

In this chapter you will learn:

1. Definition for PHP srand() Function
2. Syntax for PHP srand() Function
3. Parameter for PHP srand() Function
4. Return for PHP srand() Function
5. Example - Seed the random number generator

Definition

The srand() function seeds the random number generator (rand()).

Syntax

PHP srand() Function has the following syntax.

Parameter

Return

None

Example

Seed the random number generator:

<?php
srand(mktime());
echo(rand());
?>

The code above generates the following result.

Next chapter...

What you will learn in the next chapter:

1. Definition for PHP tan() Function
2. Syntax for PHP tan() Function
3. Parameter for PHP tan() Function
4. Return for PHP tan() Function
5. Example - Return the tangent of different numbers

PHP Predefined Math Constants

PHP abs() Function

PHP acos() Function

PHP acosh() Function

PHP asin() Function

PHP asinh() Function

PHP atan() Function

PHP atan2() Function

PHP atanh() Function

PHP base_convert() Function

PHP bindec() Function

PHP ceil() Function

PHP cos() Function

PHP cosh() Function

PHP decbin() Function

PHP dechex() Function

PHP decoct() Function

PHP deg2rad() Function

PHP exp() Function

PHP expm1() Function

PHP floor() Function

PHP fmod() Function

PHP getrandmax() Function

PHP hexdec() Function

PHP hypot() Function

PHP is_finite() Function

PHP is_infinite() Function

PHP is_nan() Function

PHP lcg_value() Function

PHP log() Function

PHP log10() Function

PHP log1p() Function

PHP max() Function

PHP min() Function

PHP mt_getrandmax() Function

PHP mt_rand() Function

PHP mt_srand() Function

PHP octdec() Function

PHP pi() Function

PHP pow() Function

PHP rad2deg() Function

PHP rand() Function

PHP round() Function

PHP sin() Function

PHP sinh() Function

PHP sqrt() Function

PHP srand() Function

PHP tan() Function

PHP tanh() Function