No longer needed

more EXTERN_C wrapping of ZEND_API prototypes

wrap ZEND_API prototypes into BEGIN_EXTERN_C/END_EXTERN_C
for C++ extension support

- Happy new year and PHP 5 for rest of the files too..
# Should the LICENSE and Zend/LICENSE dates be updated too?

Some cleanup

Fixed extra byte allocation for TRUE/FALSE/ZEND_THREAD_SAFE/NULL constants.

Expand Interface C API.
In short: zend_class_entry->interface_gets_implemented() allows to modify
the class entry of a class when an interface gets implemented.

Fix class/iterator relationship & handling

Added c-api for iterators
# After 4 Month work and endless discussions...

Bug #25738 (alloca() related problems on the Darwin platform)

Bugfix #25528 (by Ard Biesheuvel)

Make vspprintf available as zend utility function. Use it in exception output.

older gccs don't understand attribute((format)) on function pointers

ZEND_GCC_VERSION should always be defined to a number so we can use
simple comparisons all the time.

Add format attribute to a number of functions

Kill a few warnings

cleanup & centralize ZEND_GCC_VERSION and ZEND_ATTRIBUTE_MALLOC so that
they can be used by downstream applications

- Fixed bug #25240 (spaces before pre-processor directives)

- Improve tracking
- Fix several overloading issues

One bit fields need to be unsigned, otherwise there is no storage for
the sign bit

"A signed bit field has a length of 1 bit."

Add logical XOR, proves to be quite useful lately

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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Add exec_finished() callback for modules - this is the last place where the
modules may touch the symbol table reliably

Remove namespace leftovers

Fix the HPUX alloca fix as suggested by Sascha

- Don't use alloca on HP-UX (Moriyoshi Koizumi <moriyoshi@at.wakwak.com>)