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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Generalize fetch_class

Get rid of an opcode

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

Remove garbage

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

Support references in foreach()
Syntax:
foreach ($arr as &$val)
foreach ($arr as $key => &$val)

Remove namespace leftovers

More cleanup for assign-op handling of objects

Rework zend_do_declare_property and related code into one code base

Initial support for overloading of array syntax for objects (very initial)

Add final classes

updating license information in the headers.

Fix bogus implicit declarations of properties (squash bug #23671)

Nicer handling of protected/private members in print_r()

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

Defining it once is enough

Faster interface inheritance & faster inheritance checks

Fix warnings.

allow expressions within constants, so the following is possible

class foo {
const a = 1<<0;
const b = 1<<1;
const c = a | b;
}

this makes co

allow expressions within constants, so the following is possible

class foo {
const a = 1<<0;
const b = 1<<1;
const c = a | b;
}

this makes const a compile-time expression. all other operators are
unaffected.

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add markers that make this file easy to parse for external sources

Simplify.

Implement a different way to catch documentation comments.

Revert portions of the doc comment patch. There should be no parser
errors now.

allow class_exists() to work with namespaces too.
add CLASS_IS_NAMESPACE macro