GMP_SQRT(3) 1 GMP_SQRT(3)
gmp_sqrt - Calculate square root
SYNOPSIS
GMP gmp_sqrt (GMP $a)
DESCRIPTION
Calculates square root of $a.
PARAMETERS
o $a
-Either a GMP number resource in PHP 5.5 and earlier, a GMP object in PHP 5.6 and later, or a numeric string provided that it is
possible to convert the latter to a number.
RETURN VALUES
The integer portion of the square root, as a GMP number.
EXAMPLES
Example #1
gmp_sqrt(3) example
<?php
$sqrt1 = gmp_sqrt("9");
$sqrt2 = gmp_sqrt("7");
$sqrt3 = gmp_sqrt("1524157875019052100");
echo gmp_strval($sqrt1) . "
";
echo gmp_strval($sqrt2) . "
";
echo gmp_strval($sqrt3) . "
";
?>
The above example will output:
3
2
1234567890
PHP Documentation Group GMP_SQRT(3)