Rename ::apply to ::call for the sake of JS consistency

Added optional bool param $unbound_scoped to Closure::bind and ::bindTo

Implemented Closure::apply

Refactored run_time_cache usage in object handlers

Uinified call frame handling for user and internal functions.
Now EG(current_execute_data) always point to the call frame of the currently executed function.

Refactoring: merge call_frame and end_execute_data into single data structure. Keep only single copy of each argument on VM stack (previously ZE kept two copies of each arguments for user functions)

Refactoring: use call_frames instead of call_slots

Merge branch 'master' into phpng

* master: (77 commits)
NEWS entry for Fix potential segfault in dns_get_record()
NEWS entry for "Fix potential segfault in dns_get_record()"

Merge branch 'master' into phpng

* master: (77 commits)
NEWS entry for Fix potential segfault in dns_get_record()
NEWS entry for "Fix potential segfault in dns_get_record()"
NEWS entry for Fix potential segfault in dns_get_record(
Fix potential segfault in dns_get_record()
Revert "Add optional second arg to unserialize()"
5.5.15 now
update NEWS
Fix bug #66127 (Segmentation fault with ArrayObject unset)
5.4.31 next
Add NEWS. This doesn't need UPGRADING (or an RFC), IMO.
Fix broken test.
Add a mime type map generation script and update the header.
Move the mime type map out of php_cli_server.c for easier generation.
Replace the CLI server's linear search for extensions with a hash table.
fix test
Remove unused included file
NEWS
NEWS
NEWS
Fixed Bug #67413 fileinfo: cdf_read_property_info insufficient boundary chec
...

Conflicts:
Zend/zend_closures.c
Zend/zend_execute.c
Zend/zend_vm_def.h
Zend/zend_vm_execute.h
ext/spl/spl_array.c
ext/standard/basic_functions.c
ext/standard/dns.c
ext/standard/var.c

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Merge branch 'PHP-5.5' into PHP-5.6

* PHP-5.5:
Fix bug 666222
Fix bug 666222

Fix bug 666222

This also adds some smaller, isolated tests related to bug 66622.

Fixed apply_func_args_t

Use optimized zend_array_dup() function. convert zend_hash_num_elements() and zend_hash_next_free_element() into macros.

Added vstrpprintf strpprintf to avoid duplicate string

(the function name maybe improvement)

Convert zval_get_string() into "fast path" macro and "slow path" function

Combine HashTable.flags and HashTable.nApplyCount into single 32-bit word

Moved zend_literal->cache_slot right into zval.
It should be accessed using Z_CACHE_SLOT() macro.
zend_literal structure is removed.
API functions that accepted pointer to zend_literal no

Moved zend_literal->cache_slot right into zval.
It should be accessed using Z_CACHE_SLOT() macro.
zend_literal structure is removed.
API functions that accepted pointer to zend_literal now accept pointer to zval or cache_slot directly.
Calls of such functiond that now accept cache_slot need to be changed to pass -1 instead of NULL.

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Add functions for extracting long/double/string from zval

These function get the long / double / string value of a zval with
usual cast semantics, but without actually modifying the zval

Add functions for extracting long/double/string from zval

These function get the long / double / string value of a zval with
usual cast semantics, but without actually modifying the zval.

Didn't go on a killing spree for convert_to_* yet...

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Cleanup (1-st round)

Fixed destruction of objects and iterators on unclean request shutdown and GC (few cases are still unfixed).
Now we destroy objects it two steps. At first - object properties of all objects and o

Fixed destruction of objects and iterators on unclean request shutdown and GC (few cases are still unfixed).
Now we destroy objects it two steps. At first - object properties of all objects and only then the objects their selves.

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Refactored data structures to keep zend_object* instead of a whole zval in some places

cosure->debug_info is not a subject for GC

Refactored GC (incomplete)

Fixed NULL pointer dereferencing

Fixed closures in static methods

Fixed uninitialized zval