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gmp_sqrtrem gmp_sign

Last updated: Sat, 27 Jan 2007

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# gmp_sqrt

(PHP 4 >= 4.0.4, PHP 5)

gmp_sqrt -- Calculate square root

## Description

resource gmp_sqrt ( resource a )

Calculates square root of `a` and returns the integer portion of the result.

Пример 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 printout of the above program will be:

    3
    2
    1234567890

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gmp_sqrtrem gmp_sign

Last updated: Sat, 27 Jan 2007
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Last updated: Sat Mar 10 09:32:46 2007 PST