5e-08在PHP中转换为十进制

Question

I am trying to convert 5e-08 into a proper decimal point, how can i accomplish this with PHP

<?php

$value = 5;

$real_btc = $value/1e8;

echo $real_btc;

This returns

5.0E-8

I need it to return the proper decimal value of 0.00000005

How can i do this with PHP?

Answer 1

使用带有适当格式说明符的printf ：

printf("%.8f", 5 / 1e8);