gmp_sqrt
gmp_sqrt
(PHP 4 >= 4.0.4, PHP 5, PHP 7)
gmp_sqrt — Calculate square root
Description
GMP gmp_sqrt ( GMP $a )
Calculates square root of a
.
Parameters
Return Values
The integer portion of the square root, as a GMP number.
Examples
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"; ?>
The above example will output:
3 2 1234567890
© 1997–2017 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://secure.php.net/manual/en/function.gmp-sqrt.php