PHP在文本文件中递增计数变量 [英] PHP Increment a counting variable in a text file

问题描述

这看起来很简单，但我无法弄清楚.

This seems simple but I can't figure it out.

file_get_contents('count.txt');
$variable_from_file++;
file_put_contents('count.txt', $variable_from_file);

count.txt中只有一行数据，它是命中计数器.有办法吗?

There is only one line of data in count.txt and it is the hits counter. Is there a way to do this?

推荐答案

$variable_from_file = (int)file_get_contents('count.txt');

但是请注意，这不是线程安全的.

But notice that this is not thread-safe.

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