Added ZEND_ATTRIBUTE_FORMAT to some middind functions.
"%p" replaced by ZEND_LONG_FMT to avoid compilation warnings.
Fixed most incorrect use cases of format specifiers.

HANDLE_BLOCK/UNBLOCK_INTERRUPTIONS() protection on inter-process data is completely useless now.
Historicaly, these macros were introduced as a protection from execution timeout handling, but we

HANDLE_BLOCK/UNBLOCK_INTERRUPTIONS() protection on inter-process data is completely useless now.
Historicaly, these macros were introduced as a protection from execution timeout handling, but we don't need them anymore after "safe execution timeout" implementation.
These macros are still useful to protect from termination during inner process data modification, because of OS signals (e.g. SIGTERM during OPcache SHM update).

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Implemented RFC: Fix inconsistent behavior of $this variable
Squashed commit of the following:

commit bdd3b6895c3ce3eacfcf7d4bf4feb8dfa61801fd
Author: Dmitry Stogov <dmitry@zend.com>

Implemented RFC: Fix inconsistent behavior of $this variable
Squashed commit of the following:

commit bdd3b6895c3ce3eacfcf7d4bf4feb8dfa61801fd
Author: Dmitry Stogov <dmitry@zend.com>
Date: Thu Jun 16 00:19:42 2016 +0300

Fixed GOTO VM

commit 2f1d7c8b89ce821086d357cf65f629f040a85c03
Author: Dmitry Stogov <dmitry@zend.com>
Date: Wed Jun 15 21:01:57 2016 +0300

Removed unused variable

commit cf749c42b0b1919f70b1e7d6dcbfff76899506af
Author: Dmitry Stogov <dmitry@zend.com>
Date: Wed Jun 15 19:06:16 2016 +0300

Protection from $this reassign through mb_parse_str()

commit 59a9a6c83c66b666971e57f1173b33a422166efd
Author: Dmitry Stogov <dmitry@zend.com>
Date: Wed Jun 15 18:14:50 2016 +0300

Added type inference rule for FETCH_THIS opcode

commit 73f8d14a856f14a461430b3c7534ab2ce870cbf6
Author: Dmitry Stogov <dmitry@zend.com>
Date: Wed Jun 15 18:11:18 2016 +0300

Restored PHP-7 behavior of isset($this->foo).
It throws exception if not in object context.
Removed useless opcode handlers.

commit fa0881381e8ae97e022ae5d1ec0851c952f33c82
Author: Dmitry Stogov <dmitry@zend.com>
Date: Tue May 31 12:25:47 2016 +0300

Changed "Notice: Undefined variable: this" into "Exception: Using $this when not in object context".

commit e32cc528c0f2c97963d8ec83eff0269f1f45af18
Author: Dmitry Stogov <dmitry@zend.com>
Date: Tue May 24 02:02:43 2016 +0300

Throw exception on attempt to re-assign $this through extract() and parse_str().

commit 41f1531b52113ec8a4c208aa6b9ef50f1386bb3f
Author: Dmitry Stogov <dmitry@zend.com>
Date: Mon May 23 22:18:36 2016 +0300

Fixed inconsistent $this behavior

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Value should not be a reference here

Optimization

Merge branch 'PHP-7.0'

* PHP-7.0:
Fixed bug #72369 (array_merge() produces references in PHP7)

Fixed bug #72369 (array_merge() produces references in PHP7)

Forbid dynamic calls to scope introspection functions

Per RFC:
https://wiki.php.net/rfc/forbid_dynamic_scope_introspection

Merge branch 'PHP-7.0'

* PHP-7.0:
update NEWS
Tidy up
Remove unnecessary boundary checks
Resolve bug #72017

Tidy up

Remove unnecessary boundary checks

Resolve bug #72017

Merge branch 'PHP-7.0'

Fixed bug #72116 (7.0.6 array_fill optimization breaks implementation)

- 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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Merge branch 'PHP-7.0'

Use symtable lookup for arrays in array_column

Respect property visibility in array_column

Fixed bug #72031

Merge branch 'PHP-7.0'

* PHP-7.0:
Optimized array_fill(). This is a perfect function for fast creation of packed arrays.

Optimized array_fill(). This is a perfect function for fast creation of packed arrays.

Merge branch 'PHP-7.0'

Fix bug #71334

Always duplicate the array before doing a sort with user-defined
comparison function, to avoid access to the intermediate
inconsistent state.

I've also droppe

Fix bug #71334

Always duplicate the array before doing a sort with user-defined
comparison function, to avoid access to the intermediate
inconsistent state.

I've also dropped the "array modification" warning, as protection
against modifications is no longer relevant if we're always working
on a copy anyway.

This also required some changes to how SplArray forwards calls to
sorting functions.

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Merge branch 'PHP-7.0'

Conflicts:
Zend/zend_compile.c

Fixed #71837 (Wrong arrays behaviour)