export externally used functions

Reenable __tostring() magic for print,echo,concatenation,function naming...
but not for other internal things.
# As discussed with Andi

Handle getter failure and allow to bypass thrown exceptions.

Remove automatic call to __toString() since it is supposed to cause too
much trouble. See discussion on the mailing list.

The macro REPLACE_ZVAL_VALUE cannot be used since we only have zval *
writeobj. to allow it the api needs to be changed to zval **writeobj.

Add new interface ArrayAccess to use objects as Arrays

Correct default handlers

Fix those warnings

Split isset/isempty for object property and object dimension hooking.

Handle exceptions in casting more gracefully.
This fixes bug #26166

__tostring() handler should be binary-safe

Remove unused callback

Remove redundant callback, simplify API

- Allow partial type conversion support for objects.
- Add support for object to string conversion from userspace by method
__toString() and add a test.

Tests show updating consts must happen once at runtime (revert optimization).
Add tests for static properties.

Fix static properties.
#
# There's only an errormessage missing which i'll wommit as soon as i find out
# how to do it best. But besides that damn message everything works now and all

Fix static properties.
#
# There's only an errormessage missing which i'll wommit as soon as i find out
# how to do it best. But besides that damn message everything works now and all
# inheritance rules apply.
#

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Synch/Unify error messages related to function/method calls

Fix warnings

Restrict scope of inline functions to compile unit

Submitted by: Jason Greene <jason@inetgurus.net>

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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Improve array overloading - support unset($foo["bar"])

Fix isset()/empty() for non-trivial object elements
(API change - read_property now accepts an extra element)
Fixes bug #24436

Fix bug #24499

Add get_dim callback

whitespace