Fix bug #18872 - Improper handling of class constants used as default
function argument values

Fix bug #21800 - initialize opcode handlers in interactive mode

updating license information in the headers.

Fix for Bug #23951

Support 'self' and 'parent' in call_user_func()

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

Make zend_str_tolower_copy() a copy function (like stccpy).
Supply a dup version (like estrdup).
Fix tolower() handling.
# Havin copy and dup allows to use the faster version even with

Make zend_str_tolower_copy() a copy function (like stccpy).
Supply a dup version (like estrdup).
Fix tolower() handling.
# Havin copy and dup allows to use the faster version even with
# memory not allocated by emalloc.

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optimize the lookups by avoiding a copy and then another pass

Naked Dancing Girls should be given to: Myself, Zeev, Marcus,
and George Schlossnagle (in no particular order)

add fast_call_user_function()

One function call is enough

Check name before '::' so that it would be a namespace in zend_lookup_ns_class

Add zend_lookup_ns_class() function.

Eliminate TSRMLS_FETCH() calls in destroy_op_array() and zend_get_class_entry().

Fix destructors some more

ZTS fixes

Namespace patch. Big changes:
1. Nested classes are gone.
2. New syntax for namespaces:
namespace foo {
class X { ... }
function bar { ... }
var x = 1;

Namespace patch. Big changes:
1. Nested classes are gone.
2. New syntax for namespaces:
namespace foo {
class X { ... }
function bar { ... }
var x = 1;
const ZZ = 2;
}
3. Namespaced symbol access: $x = new foo::X; - etc.
For now, namespaces are case insensitive, just like classes.
Also, there can be no global class and namespace with the same name
(to avoid ambiguities in :: resolution).

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init current_execute_data befor we start executing

Add ability to reference self:: and parent:: in constant initializers
(bug #21849)

- Added some missing CVS $Id$ tags, headers and footers.

Fix ZTS build.

Add additional stage to post-session cleanup.
We need separate cleanup stage because of the following problem:
Suppose we destroy class X, which destroys function table,
and in function t

Add additional stage to post-session cleanup.
We need separate cleanup stage because of the following problem:
Suppose we destroy class X, which destroys function table,
and in function table we have function foo() that has static $bar. Now if
object of class X was assigned to $bar, its destructor will be called and will
fail since X's function table is in mid-destruction.
So we want first of all to clean up all data and then move to tables
destruction.
Note that only run-time accessed data need to be cleaned up, pre-defined
data can not contain objects and thus are not probelmatic.
# Looks like we are having a lots of pain in the various parts of the body
# because of the destructors...

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Fix object destructors:
zend_objects_store_call_destructors is not used anymore, we rely on
symbol tables cleaners to destroy all objects.

Fixed bug: #14542, register_shutdown_function() timeout problem

Implemented compatibility mode
To enable - zend2.implicit_clone = on in php.ini or using ini_set()

- Ported the zend_execute_internal hook to ZendEngine2.