PHP 忒聊 綴豖 ヶ輛 is_infinite (PHP 4 = 4.2.0) Description Returns TRUE if val is infinite (positive or negative), like the result of log(0) or any value too big to fit into a float on this platform. 綴豖 れ萸 ヶ輛 is_finite 奻珨撰 is_nan