PATH_INFO not set in lighttpd-1.5.0-r1857/PHP 5.2.2RC1
Missing in 1.5.x:
PHP_SELF is, ORIG_PATH_INFO is, but PATH_INFO is not.
in 1.4.x, i have PATH_INFO, PHP_SELF, but not ORIG_PATH_INFO (which is fine, that would be desired behavior, PATH_INFO is the expected variable available)
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