(PHP 4 >= 4.0.4, PHP 5)
Calculates square root of a and returns the integer portion of the result.
a
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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User Contributed Notes
gmp_sign