php random float – How to generate a random float number in php?

php random float – you can use rand() function for that in php. Write a PHP function to get random float numbers. Create a function to generate a random float number.

php random float

Random float number between 0 and 1.0 php

Example

mt_rand() / mt_getrandmax();

$randomFloat = rand(0, 10) / 10;
var_dump($randomFloat);

//eg. float(0.7)

Random floating-point values from 0 to 10 with two decimals :

How to generate a random float number in php?

Create a function to generate a random float number using this code:
Example

function getrd_flt_value($first_no = 0,$last_no = 1,$mul = 1000000)
{
	if ($first_no > $last_no) return false;
	return mt_rand($first_no * $mul,$last_no * $mul)/$mul;
}

Generate and show random float number

Generate and show random float number using this code:

echo getrd_flt_value().”
”;

echo getrd_flt_value(0.6).”
”;

echo getrd_flt_value(0.5,0.6).”
”;

echo getrd_flt_value(0,20).”
”;

echo getrd_flt_value(0,3,2).”
”;

echo getrd_flt_value(0,2,20).”
”;

PHP generate random alphanumeric string

Complete code to generate a random float number in PHP:

 $last_no) return false;

	return mt_rand($first_no * $mul,$last_no * $mul)/$mul;
}

echo getrd_flt_value()."
";

echo getrd_flt_value(0.6)."
";

echo getrd_flt_value(0.5,0.6)."
";

echo getrd_flt_value(0,20)."
";

echo getrd_flt_value(0,3,2)."
";

echo getrd_flt_value(0,2,20)."
";
?>

I hope you get an idea about php random float.
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