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PHP : Function Reference : GMP Functions : gmp_sqrt

gmp_sqrt

Calculate square root (PHP 4 >= 4.0.4, PHP 5)
resource gmp_sqrt ( resource a )

Example 814. 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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