gmp_sqrtrem
(PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8)
gmp_sqrtrem — Square root with remainder
參數
-
num The number being square rooted.
GMP 對像或 int ，或數字string。
返回值
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).
範例
示例 #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";
?> 以上例程會輸出：
3, 0 2, 3 1024, 0