PHP message: PHP Parse error: syntax error in php://input ？

Question

FastCGI sent in stderr: "PHP message: PHP Warning:  Unexpected character in input:  '' (ASCII=25) sta
te=0 in php://input on line 4
PHP message: PHP Parse error:  syntax error, unexpected '' (T_STRING) in php://input on line 4" while reading response header from upstream

FastCGI sent in stderr: "PHP message: PHP Warning:  Unexpected character in input:  '' (ASCII=20) state=0 in php://input on line 3
PHP message: PHP Parse error:  syntax error, unexpected 'Å0' (T_STRING) in php://input on line 3" while reading response header from upstream

FastCGI sent in stderr: "PHP message: PHP Parse error:  syntax error, unexpected ']' in php://input on line 5" while reading response header from upstream

这个项目稳定运行很久了，突然有这个问题，重启php-fpm之后问题消失，过一段时间问题又出现，刚开始使用php7.0.16版本，升级到php7.0.33版本，问题依然存在

Answer 1

检查php.ini，找到short_open_tag 将其参数设置为on，并重启。

Answer 2

是哪个版本的php，怀疑是php版本太低

Answer 3

7.2以下版本吗？