PHP 忒聊 綴豖 ヶ輛 gmp_perfect_square (PHP 4 = 4.0.4) Description Returns TRUE if a is a perfect square, FALSE otherwise. See also: gmp_sqrt(), gmp_sqrtrm(). 綴豖 れ萸 ヶ輛 gmp_or 奻珨撰 gmp_popcount