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PHP | stats_rand_setall() Function

PHP stats_rand_setall() 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_setall() function.

The built-in PHP stats_rand_setall() function set seed values to the random generator.


Following below is the syntax to use this function -

void stats_rand_setall( int $iseed1, int $iseed2 )

Parameter Details



The value which is used as the random seed. First of two integer seeds



The value which is used as the random seed. Second of two integer seeds

This PHP function set iseed1 and iseed2 as seed values to the random generator used in statistics functions.

Return Value

This function does not return any value.


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).


In the following example, we set 10 and 20 as the seed values to the random generator used in statistics functions -

   stats_rand_setall(10, 20);
   $sd = stats_rand_getsd();
   echo $sd[0], "\n";
   echo $sd[1], "\n";


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


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_skew() function.

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