Hello folks! welcome back to a new edition of our tutorial on PHP. In this tutorial guide, we are going to be discussing briefly about the stats_rand_gen_iuniform() function.
The built-in PHP stats_rand_gen_iuniform() function can generate an integer uniformly distributed between low (inclusive) and high (inclusive).
The built-in PHP stats_rand_gen_iuniform() function can generate an integer uniformly distributed between low (inclusive) and high (inclusive).
Syntax
Following below is the syntax to use this function -
int stats_rand_gen_iuniform( int $low, int $high )
Parameter Details
Sr.No | Parameter | Description |
---|---|---|
1 | low | The lower bound |
2 | high | The upper bound |
Return Value
It return a random integer from the discrete uniform distribution between low (inclusive) and high (inclusive).
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).
Example1
The following example below generates an integer uniformly distributed between 1 and 3 (low < high) -
<?php var_dump(stats_rand_gen_iuniform(1, 3)); ?>
Output
When the above code is executed, it will produce the following result -
int(2)
Example2
The following example below generates an integer uniformly distributed between 1 and 1 (low == high) -
<?php var_dump(stats_rand_gen_iuniform(1, 1)); ?>
Output
When the above code is executed, it will produce the following result -
int(0)
Example3
Following is an error case. In the following example below, we have passed low > high. A warning is shown in logs -
<?php // error cases var_dump(stats_rand_gen_iuniform(2, 1)); // low > high ?>
Output
The above code will produce the following result and a warning in logs PHP Warning: stats_rand_gen_iuniform(): low greater than high. low: 2 high: 1
bool(false)
Alright guys! This is where we are going to be rounding up for this tutorial post. In our next tutorial post, we will discuss about the PHP stats_rand_gen_noncentral_chisquare() Function.
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Thanks for reading and bye for now.