gmp_sqrtrem
(PHP 4 >= 4.0.4, PHP 5, PHP 7)
gmp_sqrtrem — Square root with remainder
Description
gmp_sqrtrem ( GMP|int|string $num ) : array
Calculate the square root of a number, with remainder.
Parameters
-
num -
The number being square rooted.
A GMP object, an int or a numeric string.
Return Values
Returns array where first element is the integer square root of num and the second is the remainder (i.e., the difference between num and the first element squared).
Examples
Example #1 gmp_sqrtrem() example
<?php
list($sqrt1, $sqrt1rem) = gmp_sqrtrem("9");
list($sqrt2, $sqrt2rem) = gmp_sqrtrem("7");
list($sqrt3, $sqrt3rem) = gmp_sqrtrem("1048576");
echo gmp_strval($sqrt1) . ", " . gmp_strval($sqrt1rem) . "\n";
echo gmp_strval($sqrt2) . ", " . gmp_strval($sqrt2rem) . "\n";
echo gmp_strval($sqrt3) . ", " . gmp_strval($sqrt3rem) . "\n";
?> The above example will output:
3, 0 2, 3 1024, 0
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https://www.php.net/manual/en/function.gmp-sqrtrem.php