Fixed compilation warnings

Fixed compilation warnings

Replace zend_ce_error with NULL and replace more E_ERROR with thrown Error

Cleanup spurious changes.

Add Closure::fromCallable().

Add the ability to create closures from callable as part of RFC: https://wiki.php.net/rfc/closurefromcallable

fix #72209 (ReflectionProperty::getValue() doesn't fail if object doesn't match type)

Fixed bug #72174

Also fixes a memory leak if ::getValue() is used with __get().

Add missing update_constants in ReflectionClassConstant

Also fix indentation of __toString().

Revert code to use DUP instead of COPY

In a1c405e0c50c627cdd9a7695b4c7d644238b6b9b next to the actual fix
I have also switched some (effective) ZVAL_DUPs to ZVAL_COPYs. I'm
reverting

Revert code to use DUP instead of COPY

In a1c405e0c50c627cdd9a7695b4c7d644238b6b9b next to the actual fix
I have also switched some (effective) ZVAL_DUPs to ZVAL_COPYs. I'm
reverting this part as those were probably there for a reason
(presumably issues with non-atomic refcounting on ZTS).

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Fix usages of zend_update_constant_ex

If an in-place update in an external zval is performed, it needs
to incref'd beforehand, not afterwards.

- get rid of EG(scope). zend_get_executed_scope() should be used instead.
- ichanged zval_update_constant_ex(). Use IS_TYPE_IMMUTABLE flag on shared constants and AST, instead of "inline_change"

- get rid of EG(scope). zend_get_executed_scope() should be used instead.
- ichanged zval_update_constant_ex(). Use IS_TYPE_IMMUTABLE flag on shared constants and AST, instead of "inline_change" parameter.

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Removed "zend_fcall_info.function_table". It was assigned in many places, but is never used.

Remove IS_VAR_RET_REF flag

Instead decide whether a function returned by reference or by value
by checking whether the return value has REFERENCE type. This means
that functions retu

Remove IS_VAR_RET_REF flag

Instead decide whether a function returned by reference or by value
by checking whether the return value has REFERENCE type. This means
that functions returning by reference must always return a reference
and functions returning by value must not return a reference.

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Merge zend_execute_data->called_scope into zend_execute_data->This.
"called_scope" made sense only for static method calls, for dynamic calls it was always equal to the class of $this.
Now EG

Merge zend_execute_data->called_scope into zend_execute_data->This.
"called_scope" made sense only for static method calls, for dynamic calls it was always equal to the class of $this.
Now EG(This) may store IS_OBJECT + $this or IS_UNUSED + "called_scope" (of course, "called_scope" may be NULL).
Some code might need to be adopted to support this change.
Checks (Z_OBJ(EX(This))) might need to be converted into (Z_TYPE(EX(This)) == IS_OBJECT).

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Removed zend_fcall_info.symbol_table

Support void return type in reflection

fix ReflectionClass::__toString doc block omitted

fix ReflectionClass::__toString doc block omitted

Happy new year (Update copyright to 2016)

Remove useless check

Removed useless checks

Implemented the RFC `Support Class Constant Visibility`.

Squashed commit of the following:

commit f11ca0e7a57793fa0e3e7f6d451720e6c42bb0b9
Author: Dmitry Stogov <dmitry@zend.com

Implemented the RFC `Support Class Constant Visibility`.

Squashed commit of the following:

commit f11ca0e7a57793fa0e3e7f6d451720e6c42bb0b9
Author: Dmitry Stogov <dmitry@zend.com>
Date: Tue Dec 8 12:38:42 2015 +0300

Fixed test expectation

commit 211f873f542504d0a0f72b6b5cb23908a1c99a2d
Author: Dmitry Stogov <dmitry@zend.com>
Date: Tue Dec 8 12:28:38 2015 +0300

Embed zend_class_constant.flags into zend_class_constants.value.u2.access_flags

commit 51deab84b2cdbf9cdb1a838cf33b2ee45c61748b
Author: Dmitry Stogov <dmitry@zend.com>
Date: Mon Dec 7 11:18:55 2015 +0300

Fixed issues found by Nikita

commit 544dbd5b47e40d38a8ccb96bc5583e9cb7fdd723
Author: Dmitry Stogov <dmitry@zend.com>
Date: Sat Dec 5 02:41:05 2015 +0300

Refactored immplementation of https://wiki.php.net/rfc/class_const_visibility
@reeze created an RFC here and I emailed internals here and didn't get any responses positive/negative.

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Fixed bug #71018 (ReflectionProperty::setValue() behavior changed)

Fixed bug #70982 (setStaticPropertyValue behaviors inconsistently with 5.6)

Indents