简单教程
提交运行
代码编辑器:
<?php echo tanh(M_PI_4) , "<br>"; echo tanh(0.50) , "<br>"; echo tanh(-0.50) , "<br>"; echo tanh(5) , "<br>"; echo tanh(10) , "<br>"; echo tanh(-5) , "<br>"; echo tanh(-10) ;
运行结果: