警告全文如下:

	PHP Warning:  Unknown: Your script possibly relies on a session side-effect
which existed until PHP 4.2.3. Please be advised that the session extension does
not consider global variables as a source of data, unless register_globals is enabled.
You can disable this functionality and this warning by setting session.bug_compat_42
or session.bug_compat_warn to off, respectively. in Unknown on

网上对这个问题的解决有很多办法, 但是都是不知所以然的解决之道. 本文从seesion出发, 分析了这个问题的成因, 继而让大家知道所以然...

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