Php/docs/function.gmp-sqrt
来自菜鸟教程
gmp_sqrt
(PHP 4 >= 4.0.4, PHP 5, PHP 7)
gmp_sqrt — Calculate square root
返回值
The integer portion of the square root, as a GMP number.
范例
Example #1 gmp_sqrt() example
<?php$sqrt1 = gmp_sqrt("9");$sqrt2 = gmp_sqrt("7");$sqrt3 = gmp_sqrt("1524157875019052100");echo gmp_strval($sqrt1) . "\n";echo gmp_strval($sqrt2) . "\n";echo gmp_strval($sqrt3) . "\n";?>
以上例程会输出:
3 2 1234567890