gmp_sqrt
(PHP 4 >= 4.0.4, PHP 5, PHP 7)
gmp_sqrt — Calculate square root
Description
gmp_sqrt ( GMP|int|string $num ) : GMP
Calculates square root of num.
Parameters
-
num -
A GMP object, an int or a numeric string.
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
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https://www.php.net/manual/en/function.gmp-sqrt.php