我看到错误信息“无法修改头部信息 - 头部已发送”

If error message 'Cannot modify header information - headers already sent' is displayed on your website, it means there are some issues with your PHP script. Most likely your script is configured to output data before header() function. Please kindly note this error is not related to hosting service, and it's related to your script only, so we could not provide any support in this case.

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