Implement variadic function syntax

As per RFC: https://wiki.php.net/rfc/variadics

Small cleanup in class name resolution of compiler

* The fetch_type and check_ns_name parameters of
zend_resolve_class_name were unused and are now removed.
* ZEND_FETCH_CLASS_G

Small cleanup in class name resolution of compiler

* The fetch_type and check_ns_name parameters of
zend_resolve_class_name were unused and are now removed.
* ZEND_FETCH_CLASS_GLOBAL is no longer used (no code actually
checking for it).
* The checks for usage of "namespace" as class name were
unnecessary as that situation can't occur anyways.

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Import namespaced constants via new 'use const' sequence

Add new 'use function' sequence for importing namespaced functions

This is specified as the use_function RFC:

* https://wiki.php.net/rfc/use_function

Fixed bug #64503 (Compilation fails with error: conflicting types for 'zendparse').

Class Name Resolution As Scalar Via "class" Keyword

Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
Fixed compilator bug that might cause jump depended on unitialized value

Merge branch 'PHP-5.3' into PHP-5.4

* PHP-5.3:
Fixed compilator bug that might cause jump depended on unitialized value

Fixed compilator bug that might cause jump depended on unitialized value

Happy New Year

Happy New Year

Happy New Year

Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
Traits refactoring

Traits refactoring

Add missing zend_do_free call

This is a followup to d53f1bf8ab. When the yield *statement* is used its
return value still needs to be freed.

Merge remote-tracking branch 'php-src/master' into addGeneratorsSupport

Conflicts:
Zend/zend_language_parser.y
Zend/zend_vm_execute.skl

Remove implementation stubs for yield delegation

I decided to leave out yield delegation for an initial proposal, so remove
the stubs for it too.

Support list in foreach

RFC: https://wiki.php.net/rfc/foreachlist

Merge remote-tracking branch 'php-src/master' into addGeneratorsSupport

Merging master to fix Windows build

Conflicts:
Zend/zend_language_scanner.c
Zend/zend

Merge remote-tracking branch 'php-src/master' into addGeneratorsSupport

Merging master to fix Windows build

Conflicts:
Zend/zend_language_scanner.c
Zend/zend_language_scanner_defs.h
Zend/zend_vm_def.h

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Merge branch 'pull-request/31'

* pull-request/31:
Fix lexing of nested heredoc strings in token_get_all()

Add functions declarations, use tabs

Merge remote-tracking branch 'php-src/master' into addGeneratorsSupport

This is just an intial merge. It does not yet make generators and finally
work together.

Conflicts:

Merge remote-tracking branch 'php-src/master' into addGeneratorsSupport

This is just an intial merge. It does not yet make generators and finally
work together.

Conflicts:
Zend/zend_language_scanner.c
Zend/zend_language_scanner_defs.h
Zend/zend_vm_def.h
Zend/zend_vm_execute.h
Zend/zend_vm_execute.skl
Zend/zend_vm_opcodes.h

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Implemented 'finally' keywords for php

RFC: https://wiki.php.net/rfc/finally
FR: https://bugs.php.net/bug.php?id=32100
and I have got some improvment ideas(performance), will impleme

Implemented 'finally' keywords for php

RFC: https://wiki.php.net/rfc/finally
FR: https://bugs.php.net/bug.php?id=32100
and I have got some improvment ideas(performance), will implemented
later. thanks

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Fixed invalid read in CONST_STRING dereference, reported by Nikic

Remove reference restrictions from foreach

foreach only allowed variables to be traversed by reference. This never
really made sense because

a) Expressions like array(&$a, &

Remove reference restrictions from foreach

foreach only allowed variables to be traversed by reference. This never
really made sense because

a) Expressions like array(&$a, &$b) can be meaningfully iterated by-ref
b) Function calls can return by-ref (so they can also be meaningfully
iterated)
c) Iterators could at least in theory also be iterated by-ref (not
sure if any iterator makes use of this)

With by-ref generators the restriction makes even less sense, so I removed
it altogether.

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