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gmp_perfect_square
(PHP 4 >= 4.0.4, PHP 5) gmp_perfect_square -- Perfect square check Descriptionbool gmp_perfect_square ( resource a )
Returns TRUE if a is a perfect square,
FALSE otherwise.
Example 1. 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"));
?>
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The printout of the above program will be:
bool(true)
bool(false)
bool(true) |
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See also: gmp_sqrt(),
gmp_sqrtrem().
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