有时候即使是以w模式打开文件 open("file.txt", 'w')依旧报错找不到文件。可能是文件名太长了，也可能会提示错误代码。
so in my php I have something like this $_SESSION[\'opened\'] = true; But It will no开发者_StackOverflowt be set to true until user will perform some actions with some other html\\php pages
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