gmp_sqrtrem
(PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8)
gmp_sqrtrem — Square root with remainder
Beschreibung
Calculate the square root of a number, with remainder.
Parameter-Liste
Rückgabewerte
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).
Beispiele
Beispiel #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";
?>
Das oben gezeigte Beispiel erzeugt folgende Ausgabe:
3, 0 2, 3 1024, 0