gmp_orgmp_perfect_square
(PHP 4 >= 4.0.4, PHP 5)
gmp_perfect_square — Perfect square check
Description
bool gmp_perfect_square ( resource $a )Returns TRUE if a is a perfect square, FALSE otherwise.
Příklad 619. gmp_perfect_square() example
<?php
// 3 * 3, perfect square
var_dump(gmp_perfect_square("9"));
// not a perfect square
var_dump(gmp_perfect_square("7"));
// 1234567890 * 1234567890, perfect square
var_dump(gmp_perfect_square("1524157875019052100"));
?>
The printout of the above program will be:
bool(true)
bool(false)
bool(true)
See also: gmp_sqrt(), gmp_sqrtrem().
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