Nuke vars no longer needed

Go with studlyCaps

Attempt at fixing the linkage problem in Win32

Need to tell zend_fetch_debug_backtrace() whether to skip top function or not.
# And i wondered why the trace wasn't rally accurate.

- Split debug_backtrace() into lowlevel c function and php function wrapper
- Add trace property to default method based on new zend_fetch_debug_backtrace
# Unforunatley the handler for uncau

- Split debug_backtrace() into lowlevel c function and php function wrapper
- Add trace property to default method based on new zend_fetch_debug_backtrace
# Unforunatley the handler for uncaught exception can't show this backtrace
# simply because there is currently no way to do it. If i can think of a
# solution i'll add it. Until them i am open to any ideas/help.

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Add format attribute to a number of functions

Kill a few warnings

Replace *magic number* with a much nicer define.

Set 2147483647 as the module number of user defined constants
Fixed a few bugs and cleaned up get_defined_constants().

Fix warnings

Add missing arg info

ntroduce infrastructure for supplying information about arguments,
including:

- Whether or not to pass by ref (replaces the old arg_types, with arg_info)
- Argument name (for future

ntroduce infrastructure for supplying information about arguments,
including:

- Whether or not to pass by ref (replaces the old arg_types, with arg_info)
- Argument name (for future use, maybe introspection)
- Class/Interface name (for type hints)
- If a class/interface name is available, whether to allow a null instance

Both user and builtin functions share the same data structures.

To declare a builtin function that expects its first arg to be an instance
of class 'Person', its second argument as a regular arg, and its third by
reference, use:

ZEND_BEGIN_ARG_INFO(my_func_arg_info, 0)
ZEND_ARG_OBJ_INFO(0, someone, Person, 1)
ZEND_ARG_PASS_INFO(0)
ZEND_ARG_PASS_INFO(1)
ZEND_END_ARG_INFO();

and use my_func_arg_info as the arg_info parameter to the ZEND_FE() family
of macros.

The first arg to each ZEND_ARG_*() macro is whether or not to pass by ref.

The boolean arg to ZEND_BEGIN_ARG_INFO() tells the engine whether to treat
the arguments for which there's no explicit information as pass by reference
or not.
The boolean argument to ZEND_ARG_OBJ_INFO() (4th arg) is whether or not to allownull values.

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Fix each() binary safety for keys

fix the get_parent_class fix

Bug #24399: is_subclass_of(): fix memleak, too

Fix bug #24445

move the check down a little so it catches all cases

Fix bug #24399 from an excellent test case by edin

fix lambda function static vars (related to #17115)

updating license information in the headers.

ws

Fix set_error_handler()

rm namespace leftovers

MEGA-patch: namespaces are R.I.P.

Make use optimized string lowering

Fixed bug #23619 (set_error_handler() registered handler not called for object instances). (Jani, waboring@qualys.com)