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The main content of this article is "how to analyze and solve the problem of php session_start () error", interested friends may wish to take a look. The method introduced in this paper is simple, fast and practical. Let the editor take you to learn "how to analyze and solve the problem of php session_start () error"!

Error message: Warning: session_start () [function.session-start]: Cannot send session cache limiter-headers already sent

Reason: if there is an output before session_start (), there will be an error

Solution: add ob_start () before session_start ()

Index.php

The copy code is as follows:

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Index2.Php

The copy code is as follows:

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