Cleaning up some mess

- Remove old/deprecated version of expand_filepath

- Change PHP_SEPARATOR to PHP_DIR_SEPARATOR

Provide PHP_SEPARATOR which expands to the default directory separator
on the target platform.

Remove php_realpath from build.

It was broken and should not be used in any way.

- Centralize more fopen-wrappers functionality.

- The beginning of an attempt to cleanup fopen-wrappers.
- I started with trying to localize the V_FOPEN's so that we can have a
- version which won't really open the file for include_once/re

- The beginning of an attempt to cleanup fopen-wrappers.
- I started with trying to localize the V_FOPEN's so that we can have a
- version which won't really open the file for include_once/require_once to
- work faster and have less chance of a race which would cause a fd leak.
- What I did will, therefore, change but I want to do this step by step
- because the code is extremley messy so first of all I want to make sure
- that the isolating of the V_FOPEN code doesn't break anything.
- How about moving URL stuff out of this file?
- php_fopen_url_wrapper() copy and pasted the second part of
- php_fopen_wrapper() (incorrectly). Please try not to copy&paste code but
- centralize functionality. Need to think of a nice way to nuke one of the
- copies and have both functions use the same one.

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Standartize full path handling - everything now goes via expand_filepath
Add errno to open_basedir checking function

Virtualize realpath, chmod, chown and utime
This should fix #5935 and #5904
@- Virtualize realpath, chmod, chown and utime (Stas)

If we can't find a protocol in URL wrapper, try it as a filename (fix #5931)

This url symbol was a bit too generic. Change it to php_url instead.
It was clashing with a similar typedef in the UdmSearch integration I am
working on.

- Update .dsp's
- Make non ZTS Win32 build again

- I wrote a long msg but the commit didn't go through.
- So here is the short version:
- a) Start moving to binary opens in Windows
- b) Give checkuid_mode() a small face lift including t

- I wrote a long msg but the commit didn't go through.
- So here is the short version:
- a) Start moving to binary opens in Windows
- b) Give checkuid_mode() a small face lift including the fopen-wrappers.c
- The mode to this function should at least be a #define but that is for
- another day. Anyway this whole stuff should be given more face lifts in
- the future.

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- Make Windows compile

- Don't need to check doc_root's length twice

- Last one for tonight. Make sure that we don't check uninitialized
- memory

- Last patch for tonight. A more optimized way to check for absolute path
- in Windows. This should be fixed to use the virtual cwd macro for
- ABSOLUTE_DIR() but I need to have time to under

- Last patch for tonight. A more optimized way to check for absolute path
- in Windows. This should be fixed to use the virtual cwd macro for
- ABSOLUTE_DIR() but I need to have time to understand the logic first

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- Missed a bracket

- Beautify fopen-wrappers a bit.
- Still needs quite a lot of improvement in order to treat Windows well

Avoid using E_CORE_* errorlevels in any place which is not in the global startup sequence

@- Changed WDDX to always serialize arrays as structs. (Andrei)
Changed WDDX to always serialize arrays as structs. PR #4924

@ fopen_wrappers() are now extensible via modules
so here it finaly is, the more general approach to fopen wrappers
# see what i'll break this time

- Fix problem in sessions module under Win32. Need to use ; as an options
- delimiter in save_path instead of :.

Update the license with the new clause 6

A few .dsp fixes