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PHP | stats_rand_ranf() Function

PHP stats_rand_ranf() Function


Hello folks! welcome back to a new edition of our tutorial on PHP. In this tutorial guide, we are going to be studying about the PHP stats_rand_ranf() function.

The built-in PHP stats_rand_ranf() function generates a random floating-point number between 0 and 1.

Syntax

Following below is the syntax to use this function -

float stats_rand_ranf( void )


Parameter Details

This built-in PHP function does not have any parameter.

Return Value

This php function returns a random floating point number from the uniform distribution between 0 (exclusive) and 1 (exclusive).

Dependencies

This built-in function was first introduced in statistics extension (PHP version 4.0.0 and PEAR v1.4.0). In this tutorial guide, we used the latest release of stats-2.0.3 (PHP v7.0.0 or newer and PEAR version 1.4.0 or newer).

Example

The following example generates a random floating point number and checks if it floats and ranges between 0 and 1 -

<?php
   $r = stats_rand_ranf();
   var_dump(is_float($r));
   var_dump(0 <= $r && $r < 1);
?>

Output

When the above code is executed, it will produce the following result -

bool(true)
bool(true)


Alright guys! This is where we are going to be rounding up for this tutorial post. In our next tutorial, we are going to be discussing about the PHP stats_rand_setall() function.

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