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[edit] Last updated: Fri, 17 May 2013

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gmp_perfect_square

(PHP 4 >= 4.0.4, PHP 5)

gmp_perfect_squarePerfect square check

Descrição

bool gmp_perfect_square ( resource $a )

Check if a number is a perfect square.

Parâmetros

a

The number being checked as a perfect square.

Ele pode ser qualquer número GMP resource, ou uma string numérica que é possível convertê-la para um número.

Valor Retornado

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

Exemplos

Exemplo #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"));
?>

O exemplo acima irá imprimir:

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

Veja Também



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