During php_init_config() in php_ini.c, it currently loads environment settings, (on windows, system directories and registry settings), binary locations building the path to search for ini files.
If you specify -n on the command line, any code that would use these paths are excluded so building the search path is all for not. This patch saves quite a few system calls on windows and returns immediately if -n has been specified. As best as I could tell, there would be no side effects to this immediate return. The changes are much smaller than the patch file due to some code reformatting to maintain proper indentation. Also, I noticed (on my system at least) that my windows directory was searched 3 times for php.ini (which doesn't exist there). Would a little caching mechanism for php_fopen_with_path, to not duplicate lookups be worth it? Could it be designed in such a way that it would be faster than the stat calls on the filesystem which may make use of disk cache. Bob Silva
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