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gmp_sqrt()

« gmp_sign | gmp_sqrtrem »
<?php
$resource = gmp_sqrt (
      // resource $a
);

// shows the result
$string = gmp_strval($resource);
?>
Result
$resource = 'GMP instance'
$string = '3'
Examples
#1 gmp_sqrt  ("9")
#2 gmp_sqrt  ("7")
#3 gmp_sqrt  ("1524157875019052100")
See also
gmp_abs, gmp_sqrtrem, gmp_strval
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