Fixes to heredoc and cleanup of new re2c scanner. (Patch by Matt Wilmas)

MFH: Implemented "jump label" operator (limited "goto")
[DOC]

Make the sigsetjmp change more robust. On systems that don't have
sigsetjmp use setjmp. Windows is of course weird in that it seems to
have sigsetjmp but not sigjmp_buf (??) so force it to

Make the sigsetjmp change more robust. On systems that don't have
sigsetjmp use setjmp. Windows is of course weird in that it seems to
have sigsetjmp but not sigjmp_buf (??) so force it to use setjmp in
config.w32.h.in

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Use sigsetjmp and siglongjmp instead of setjmp/longjmp in order to be
consistent in how we deal with the signal mask. POSIX doesn't specify
what to do with the signal mask in setjmp/longjmp

Use sigsetjmp and siglongjmp instead of setjmp/longjmp in order to be
consistent in how we deal with the signal mask. POSIX doesn't specify
what to do with the signal mask in setjmp/longjmp which has resulted in
the signal mask getting saved on *BSD and not getting saved on Linux.
Making the behaviour explicit via sigsetjmp/siglongjmp gives us
consistency and saves expensive sigprocmask() syscalls on *BSD.

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MFH: Dropped zend.ze1_compatibility_mode
[DOC]

Implemented concept of "delayed early binding" that allows opcode caches to perform class declaration (early and/or run-time binding) in exactly the same order as vanila php.
The following pseudo

Implemented concept of "delayed early binding" that allows opcode caches to perform class declaration (early and/or run-time binding) in exactly the same order as vanila php.
The following pseudo-code explains how it should be used in opcode cache.

function cache_compile_file($filename) {
if (!is_cached($filename)) {
...
orig_compiler_options = CG(compiler_optins);
CG(compiler_options) |= ZEND_COMPILE_IGNORE_INTERNAL_CLASSES |
ZEND_COMPILE_DELAYED_BINDING;
$op_array = orig_compile_file($filename);
CG(compiler_options) = orig_copiler_options;
...
} else {
$op_array = restore_from_cache($filename);
}
zend_do_delayed_early_binding($op_array);
}

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- Rewrite scanner to be based on re2c instead of flex
The full patch is available as:
http://php.net/~helly/php-re2c-5.3-20080316.diff.txt
This is against php-re2c repository versio

- Rewrite scanner to be based on re2c instead of flex
The full patch is available as:
http://php.net/~helly/php-re2c-5.3-20080316.diff.txt
This is against php-re2c repository version 98
An older patch against version 97 is available under:
http://php.net/~helly/php-re2c-97-20080316.diff.txt

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User error handlers no longer catch supressed errors (patch by Etienne Kneuss)

Changed EG(argument_stack) implementation.

Changed exception handling. Now each op_array doesn't contain ZEND_HANDLE_EXCEPTION opcode in the end

MFH: Bump copyright year, 2 of 2.

Fixed bug #43136 (possible crash on script execution timeout. The EG(function_state_ptr) is completely removed, EG(current_execute_data)->function_state must be used instead)

Added support for Late Static Binding. (Dmitry, Etienne Kneuss)

Namespaces

MFH:

- Added ".htaccess" style user-defined php.ini files support for
CGI/FastCGI.
- Added support for special [PATH=/opt/httpd/www.example.com/] sections
in php.ini. All dir

MFH:

- Added ".htaccess" style user-defined php.ini files support for
CGI/FastCGI.
- Added support for special [PATH=/opt/httpd/www.example.com/] sections
in php.ini. All directives set in these sections will not be able to be
overridden in user-defined ini-files or during runtime in the specified
path.

- Improved php.ini handling:
. Added better error reporting for syntax errors in php.ini files
. Allowed "ini-variables" to be used almost everywhere ini php.ini files
. Allowed using alphanumeric/variable indexes in "array" ini options
. Fixed get_cfg_var() to be able to return "array" ini options

- Fixed bug #27372 (parse error loading browscap.ini at apache startup)
- Fixed bug #42069 (parse_ini_file() allows using some non-alpha numeric
characters)

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MFH: Bump year.

MFH: fix #38779 (engine crashes when require()'ing file with syntax error through userspace stream wrapper)

New memory manager

Restore ZE1 compatibility mode (Zend Engine part - the modules patches
will follow later today)

Optimized zend_try/zend_catch macroses (eliminated memcpy())

Optimized shutdown sequence to iterate only over modified ini directives

- MFH as discussed
. zend_exception_get_default() -> zend_exception_get_default(TSRMLS_D)
. zend_get_error_exception() -> zend_get_error_exception(TSRMLS_D)
. added E_RECOVERABLE_

- MFH as discussed
. zend_exception_get_default() -> zend_exception_get_default(TSRMLS_D)
. zend_get_error_exception() -> zend_get_error_exception(TSRMLS_D)
. added E_RECOVERABLE_ERROR
. added ZEND_TOSTRING_FUNC_NAME
. added __tostring function cache to zend_class_entry
. added ZEND_NAMED_ME
. modified ZEND_ME_MAPPING to support method flags
. added ZEND_MN
. method entries now use prefix "zim_" instead of "zif_"
. drop EG(ze1_compatibility_mode)
. changed cast handler, now without (int should_free):
typedef int (*zend_object_cast_t)(zval *readobj, zval *retval, int type TSRMLS_DC);
. changed get_iterator, now receives whether value is by ref:
zend_object_iterator *(*get_iterator)(zend_class_entry *ce, zval *object, int by_ref TSRMLS_DC);
. added zend_objects_store_add_ref_by_handle
. added zend_objects_store_del_ref_by_handle
. convert_to_explicit_type(pzv, type)

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- Update copyright notices to 2006

Fixed bug #34729 (Crash in ZTS mode under Apache)

Fixed bug #35147 (__HALT_COMPILER() breaks with --enable-zend-multibyte)