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Rechercher une fonction PHP

gmp_sqrt

Contents

(PHP 4 >= 4.0.4, PHP 5, PHP 7)

gmp_sqrt — Calculate square root

Description

gmp_sqrt ( GMP $a ) : GMP

Calculates square root of a.

PHP: gmp_sqrt - Manual Home of Manuel PHP  Contents Haut

Parameters

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.

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Return Values

The integer portion of the square root, as a GMP number.

PHP: gmp_sqrt - Manual Home of Manuel PHP  Contents Haut

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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