If you are unsure which php.ini file to edit, you can query PHP itself. Create this three-line program and run it using the browser or the interactive interpreter.
如果不确定该编辑哪个php . ini文件，可以查询php本身。
2
Three horses crossed the finish line together.
3匹马同时冲过终点线。
《柯林斯英汉双解大词典》
3
They followed the line of the river for three miles.