gmp_perfect

PHP Handbuch
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Description

bool gmp_perfect_square ( resource a )

Returns TRUE if a is a perfect square, FALSE otherwise.

Beispiel 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"));
?>

The printout of the above program will be:

bool(true)
bool(false)
bool(true)

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