Php/docs/function.gmp-sqrtrem
gmp_sqrtrem
(PHP 4 >= 4.0.4, PHP 5, PHP 7)
gmp_sqrtrem — Square root with remainder
Parameters
a
The number being square rooted.
Either a GMP number resource in PHP 5.5 and earlier, a GMP object in PHP 5.6 and later, or a numeric string provided that it is possible to convert the latter to a number.
Return Values
Returns array where first element is the integer square root of
a
and the second is the remainder
(i.e., the difference between a
and the
first element squared).
Examples
Example #1 gmp_sqrtrem() example
<?phplist($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