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Bug #66068 Random ASCII Mode Behavior in PCRE
Submitted: 2013-11-08 18:33 UTC Modified: 2014-12-30 10:42 UTC
From: miqrogroove at hotmail dot com Assigned:
Status: No Feedback Package: *Regular Expressions
PHP Version: 5.4.21 OS: All
Private report: No CVE-ID: None
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 [2013-11-08 18:33 UTC] miqrogroove at hotmail dot com
I'm working on a bug patch for WordPress.  I am getting random results from the \s sequence in PCRE depending on which computer I use.  Tried getting another opinion from PCRE, and so far the consensus is that it's some kind of PHP bug.  See also

These computers are not all running latest versions... if there is a version issue I'd like to know about that too.

Test script:
echo preg_match('/\s/', "\xA0");

Expected result:

Actual result:
Some computers say 0, some computers say 1.


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 [2013-11-08 19:40 UTC]
-Status: Open +Status: Feedback
 [2013-11-08 19:40 UTC]
Please check whether all versions you tested this on use the bundled PCRE library. If you are using an external library and it's configured in some non-standard way there is nothing we can do about it.
 [2013-11-08 20:21 UTC]
According to every version of PHP all the way back to 4.3.0 returns 0 for that line of code. But, this sounds more like a LOCALE issue, or perhaps as Nikic suggests PHP being linked against some weirdly built libpcre.
So we are going to need a bit more info to do anything about this. From the systems that don't return 0 get their full phpinfo() output.
 [2013-11-09 14:52 UTC] miqrogroove at hotmail dot com
I'm not familiar with a "LOCALE" affecting the results of preg_match().  Could you elaborate on that?

Here is a phpinfo() I have at the moment.  Some user info removed.  I'll try to get more systems for comparison.

PHP Version 5.4.10

System 	Windows NT 5.2 build 3790 (Windows Server 2003 R2 Enterprise Edition Service Pack 2) i586 
Build Date 	Dec 19 2012 20:30:05 
Compiler 	MSVC9 (Visual C++ 2008) 
Architecture 	x86 
Configure Command 	cscript /nologo configure.js  "--enable-snapshot-build" "--enable-debug-pack" "--disable-zts" "--disable-isapi" "--disable-nsapi" "--without-mssql" "--without-pdo-mssql" "--without-pi3web" "--with-pdo-oci=C:\php-sdk\oracle\instantclient10\sdk,shared" "--with-oci8=C:\php-sdk\oracle\instantclient10\sdk,shared" "--with-oci8-11g=C:\php-sdk\oracle\instantclient11\sdk,shared" "--with-enchant=shared" "--enable-object-out-dir=../obj/" "--enable-com-dotnet=shared" "--with-mcrypt=static" "--disable-static-analyze" "--with-pgo" 
Server API 	CGI/FastCGI 
Virtual Directory Support 	disabled 
Configuration File (php.ini) Path 	C:\WINDOWS 
Loaded Configuration File 	C:\Program Files\PHP\php.ini 
Scan this dir for additional .ini files 	(none) 
Additional .ini files parsed 	(none) 
PHP API 	20100412 
PHP Extension 	20100525 
Zend Extension 	220100525 
Zend Extension Build 	API220100525,NTS,VC9 
PHP Extension Build 	API20100525,NTS,VC9 
Debug Build 	no 
Thread Safety 	disabled 
Zend Signal Handling 	disabled 
Zend Memory Manager 	enabled 
Zend Multibyte Support 	disabled 
IPv6 Support 	enabled 
DTrace Support 	disabled 
Registered PHP Streams	php, file, glob, data, http, ftp, zip, compress.zlib, phar
Registered Stream Socket Transports	tcp, udp
Registered Stream Filters	convert.iconv.*, mcrypt.*, mdecrypt.*, string.rot13, string.toupper, string.tolower, string.strip_tags, convert.*, consumed, dechunk, zlib.*

Zend logo
This program makes use of the Zend Scripting Language Engine:
Zend Engine v2.4.0, Copyright (c) 1998-2012 Zend Technologies

PHP Credits



BCMath support 	enabled 

Directive	Local Value	Master Value
bcmath.scale	0	0


Calendar support 	enabled 


Directive	Local Value	Master Value
cgi.check_shebang_line	1	1
cgi.discard_path	0	0
cgi.fix_pathinfo	1	1
cgi.force_redirect	0	0
cgi.nph	0	0
cgi.redirect_status_env	no value	no value
cgi.rfc2616_headers	0	0
fastcgi.impersonate	1	1
fastcgi.logging	0	0


PHP Version 	5.4.10 

Directive	Local Value	Master Value
allow_url_fopen	On	On
allow_url_include	Off	Off
always_populate_raw_post_data	Off	Off
arg_separator.input	&	&
arg_separator.output	&	&
asp_tags	Off	Off
auto_append_file	no value	no value
auto_globals_jit	On	On
auto_prepend_file	no value	no value
browscap	no value	no value
default_charset	no value	no value
default_mimetype	text/html	text/html
disable_classes	no value	no value
disable_functions	no value	no value
display_errors	On	Off
display_startup_errors	Off	Off
docref_ext	no value	no value
docref_root	no value	no value
enable_dl	Off	Off
enable_post_data_reading	On	On
error_append_string	no value	no value
error_log	C:\php_temp\php-errors.log	C:\php_temp\php-errors.log
error_prepend_string	no value	no value
error_reporting	32767	32767
exit_on_timeout	Off	Off
expose_php	On	On
extension_dir	C:\Program Files\PHP\ext	C:\Program Files\PHP\ext
file_uploads	On	On
highlight.comment	#FF8000	#FF8000
highlight.default	#0000BB	#0000BB
highlight.html	#000000	#000000
highlight.keyword	#007700	#007700
highlight.string	#DD0000	#DD0000
html_errors	On	On
ignore_repeated_errors	Off	Off
ignore_repeated_source	Off	Off
ignore_user_abort	Off	Off
implicit_flush	Off	Off
include_path	.;C:\Program Files\PHP\includes	.;C:\Program Files\PHP\includes
log_errors	On	On
log_errors_max_len	1024	1024
mail.add_x_header	On	On
mail.force_extra_parameters	no value	no value
mail.log	no value	no value
max_execution_time	30	30
max_file_uploads	20	20
max_input_nesting_level	64	64
max_input_time	60	60
max_input_vars	1000	1000
memory_limit	128M	128M
open_basedir	no value	no value
output_buffering	4096	4096
output_handler	no value	no value
post_max_size	8M	8M
precision	14	14
realpath_cache_size	16K	16K
realpath_cache_ttl	120	120
register_argc_argv	Off	Off
report_memleaks	On	On
report_zend_debug	On	On
request_order	GP	GP
sendmail_path	no value	no value
serialize_precision	17	17
short_open_tag	Off	Off
SMTP	localhost	localhost
smtp_port	25	25
sql.safe_mode	Off	Off
track_errors	Off	Off
unserialize_callback_func	no value	no value
upload_max_filesize	2M	2M
upload_tmp_dir	C:\php_temp	C:\php_temp
user_dir	no value	no value
user_ini.cache_ttl	300	300
user_ini.filename	.user.ini	.user.ini
variables_order	GPCS	GPCS
windows.show_crt_warning	Off	Off
xmlrpc_error_number	0	0
xmlrpc_errors	Off	Off
zend.detect_unicode	On	On
zend.enable_gc	On	On
zend.multibyte	Off	Off
zend.script_encoding	no value	no value


ctype functions 	enabled 


cURL support 	enabled 
cURL Information 	7.27.0 
Age 	3 
AsynchDNS 	Yes 
Debug 	No 
GSS-Negotiate 	Yes 
IDN 	No 
IPv6 	Yes 
Largefile 	Yes 
NTLM 	Yes 
SSL 	Yes 
SSPI 	Yes 
krb4 	No 
libz 	Yes 
CharConv 	No 
Protocols 	dict, file, ftp, ftps, gopher, http, https, imap, imaps, ldap, pop3, pop3s, rtsp, scp, sftp, smtp, smtps, telnet, tftp 
Host 	i386-pc-win32 
SSL Version 	OpenSSL/0.9.8x 
ZLib Version 	1.2.7 
libSSH Version 	libssh2/1.4.2 


date/time support 	enabled 
"Olson" Timezone Database Version 	2012.10 
Timezone Database 	internal 
Default timezone 	America/Detroit 

Directive	Local Value	Master Value
date.default_latitude	31.7667	31.7667
date.default_longitude	35.2333	35.2333
date.sunrise_zenith	90.583333	90.583333
date.sunset_zenith	90.583333	90.583333
date.timezone	America/Detroit	America/Detroit


DOM/XML 	enabled 
DOM/XML API Version 	20031129 
libxml Version 	2.7.8 
HTML Support 	enabled 
XPath Support 	enabled 
XPointer Support 	enabled 
Schema Support 	enabled 
RelaxNG Support 	enabled 


Regex Library 	Bundled library enabled 


Input Validation and Filtering 	enabled 
Revision 	$Id: e523cdc8829892d1b4f9cb7c3c57b2ba1c36b9ea $ 

Directive	Local Value	Master Value
filter.default	unsafe_raw	unsafe_raw
filter.default_flags	no value	no value


FTP support 	enabled 


GD Support 	enabled 
GD Version 	bundled (2.0.34 compatible) 
FreeType Support 	enabled 
FreeType Linkage 	with freetype 
FreeType Version 	2.4.10 
GIF Read Support 	enabled 
GIF Create Support 	enabled 
JPEG Support 	enabled 
libJPEG Version 	8 
PNG Support 	enabled 
libPNG Version 	1.2.50 
WBMP Support 	enabled 
XPM Support 	enabled 
libXpm Version 	30411 
XBM Support 	enabled 

Directive	Local Value	Master Value
gd.jpeg_ignore_warning	0	0


gmp support 	enabled 
MPIR version 	2.5.1 


hash support 	enabled 
Hashing Engines 	md2 md4 md5 sha1 sha224 sha256 sha384 sha512 ripemd128 ripemd160 ripemd256 ripemd320 whirlpool tiger128,3 tiger160,3 tiger192,3 tiger128,4 tiger160,4 tiger192,4 snefru snefru256 gost adler32 crc32 crc32b fnv132 fnv164 joaat haval128,3 haval160,3 haval192,3 haval224,3 haval256,3 haval128,4 haval160,4 haval192,4 haval224,4 haval256,4 haval128,5 haval160,5 haval192,5 haval224,5 haval256,5  


iconv support 	enabled 
iconv implementation 	"libiconv" 
iconv library version 	1.14 

Directive	Local Value	Master Value
iconv.input_encoding	ISO-8859-1	ISO-8859-1
iconv.internal_encoding	ISO-8859-1	ISO-8859-1
iconv.output_encoding	ISO-8859-1	ISO-8859-1


json support 	enabled 
json version 	1.2.1 


libXML support 	active 
libXML Compiled Version 	2.7.8 
libXML Loaded Version 	20708 
libXML streams 	enabled 


mcrypt support	enabled
mcrypt_filter support	enabled
Version 	2.5.8 
Api No 	20021217 
Supported ciphers 	cast-128 gost rijndael-128 twofish cast-256 loki97 rijndael-192 saferplus wake blowfish-compat des rijndael-256 serpent xtea blowfish enigma rc2 tripledes arcfour  
Supported modes 	cbc cfb ctr ecb ncfb nofb ofb stream  

Directive	Local Value	Master Value
mcrypt.algorithms_dir	no value	no value
mcrypt.modes_dir	no value	no value


MHASH support 	Enabled 
MHASH API Version 	Emulated Support 


MySQL Support	enabled
Active Persistent Links 	0 
Active Links 	0 
Client API version 	mysqlnd 5.0.10 - 20111026 - $Id: b0b3b15c693b7f6aeb3aa66b646fee339f175e39 $ 

Directive	Local Value	Master Value
mysql.allow_local_infile	On	On
mysql.allow_persistent	On	On
mysql.connect_timeout	10	10
mysql.default_host	no value	no value
mysql.default_password	no value	no value
mysql.default_port	no value	no value
mysql.default_socket	no value	no value
mysql.default_user	no value	no value
mysql.max_links	Unlimited	Unlimited
mysql.max_persistent	Unlimited	Unlimited
mysql.trace_mode	Off	Off


mysqlnd	enabled
Version 	mysqlnd 5.0.10 - 20111026 - $Id: b0b3b15c693b7f6aeb3aa66b646fee339f175e39 $ 
Compression 	supported 
SSL 	supported 
Command buffer size 	4096 
Read buffer size 	32768 
Read timeout 	31536000 
Collecting statistics 	Yes 
Collecting memory statistics 	No 
Tracing 	n/a 
Loaded plugins 	mysqlnd,example,debug_trace,auth_plugin_mysql_native_password,auth_plugin_mysql_clear_password 
API Extensions 	mysql 

mysqlnd statistics	 
bytes_sent 	0 
bytes_received 	0 
packets_sent 	0 
packets_received 	0 
protocol_overhead_in 	0 
protocol_overhead_out 	0 
bytes_received_ok_packet 	0 
bytes_received_eof_packet 	0 
bytes_received_rset_header_packet 	0 
bytes_received_rset_field_meta_packet 	0 
bytes_received_rset_row_packet 	0 
bytes_received_prepare_response_packet 	0 
bytes_received_change_user_packet 	0 
packets_sent_command 	0 
packets_received_ok 	0 
packets_received_eof 	0 
packets_received_rset_header 	0 
packets_received_rset_field_meta 	0 
packets_received_rset_row 	0 
packets_received_prepare_response 	0 
packets_received_change_user 	0 
result_set_queries 	0 
non_result_set_queries 	0 
no_index_used 	0 
bad_index_used 	0 
slow_queries 	0 
buffered_sets 	0 
unbuffered_sets 	0 
ps_buffered_sets 	0 
ps_unbuffered_sets 	0 
flushed_normal_sets 	0 
flushed_ps_sets 	0 
ps_prepared_never_executed 	0 
ps_prepared_once_executed 	0 
rows_fetched_from_server_normal 	0 
rows_fetched_from_server_ps 	0 
rows_buffered_from_client_normal 	0 
rows_buffered_from_client_ps 	0 
rows_fetched_from_client_normal_buffered 	0 
rows_fetched_from_client_normal_unbuffered 	0 
rows_fetched_from_client_ps_buffered 	0 
rows_fetched_from_client_ps_unbuffered 	0 
rows_fetched_from_client_ps_cursor 	0 
rows_affected_normal 	0 
rows_affected_ps 	0 
rows_skipped_normal 	0 
rows_skipped_ps 	0 
copy_on_write_saved 	0 
copy_on_write_performed 	0 
command_buffer_too_small 	0 
connect_success 	0 
connect_failure 	0 
connection_reused 	0 
reconnect 	0 
pconnect_success 	0 
active_connections 	0 
active_persistent_connections 	0 
explicit_close 	0 
implicit_close 	0 
disconnect_close 	0 
in_middle_of_command_close 	0 
explicit_free_result 	0 
implicit_free_result 	0 
explicit_stmt_close 	0 
implicit_stmt_close 	0 
mem_emalloc_count 	0 
mem_emalloc_amount 	0 
mem_ecalloc_count 	0 
mem_ecalloc_amount 	0 
mem_erealloc_count 	0 
mem_erealloc_amount 	0 
mem_efree_count 	0 
mem_efree_amount 	0 
mem_malloc_count 	0 
mem_malloc_amount 	0 
mem_calloc_count 	0 
mem_calloc_amount 	0 
mem_realloc_count 	0 
mem_realloc_amount 	0 
mem_free_count 	0 
mem_free_amount 	0 
mem_estrndup_count 	0 
mem_strndup_count 	0 
mem_estndup_count 	0 
mem_strdup_count 	0 
proto_text_fetched_null 	0 
proto_text_fetched_bit 	0 
proto_text_fetched_tinyint 	0 
proto_text_fetched_short 	0 
proto_text_fetched_int24 	0 
proto_text_fetched_int 	0 
proto_text_fetched_bigint 	0 
proto_text_fetched_decimal 	0 
proto_text_fetched_float 	0 
proto_text_fetched_double 	0 
proto_text_fetched_date 	0 
proto_text_fetched_year 	0 
proto_text_fetched_time 	0 
proto_text_fetched_datetime 	0 
proto_text_fetched_timestamp 	0 
proto_text_fetched_string 	0 
proto_text_fetched_blob 	0 
proto_text_fetched_enum 	0 
proto_text_fetched_set 	0 
proto_text_fetched_geometry 	0 
proto_text_fetched_other 	0 
proto_binary_fetched_null 	0 
proto_binary_fetched_bit 	0 
proto_binary_fetched_tinyint 	0 
proto_binary_fetched_short 	0 
proto_binary_fetched_int24 	0 
proto_binary_fetched_int 	0 
proto_binary_fetched_bigint 	0 
proto_binary_fetched_decimal 	0 
proto_binary_fetched_float 	0 
proto_binary_fetched_double 	0 
proto_binary_fetched_date 	0 
proto_binary_fetched_year 	0 
proto_binary_fetched_time 	0 
proto_binary_fetched_datetime 	0 
proto_binary_fetched_timestamp 	0 
proto_binary_fetched_string 	0 
proto_binary_fetched_blob 	0 
proto_binary_fetched_enum 	0 
proto_binary_fetched_set 	0 
proto_binary_fetched_geometry 	0 
proto_binary_fetched_other 	0 
init_command_executed_count 	0 
init_command_failed_count 	0 
com_quit 	0 
com_init_db 	0 
com_query 	0 
com_field_list 	0 
com_create_db 	0 
com_drop_db 	0 
com_refresh 	0 
com_shutdown 	0 
com_statistics 	0 
com_process_info 	0 
com_connect 	0 
com_process_kill 	0 
com_debug 	0 
com_ping 	0 
com_time 	0 
com_delayed_insert 	0 
com_change_user 	0 
com_binlog_dump 	0 
com_table_dump 	0 
com_connect_out 	0 
com_register_slave 	0 
com_stmt_prepare 	0 
com_stmt_execute 	0 
com_stmt_send_long_data 	0 
com_stmt_close 	0 
com_stmt_reset 	0 
com_stmt_set_option 	0 
com_stmt_fetch 	0 
com_deamon 	0 
bytes_received_real_data_normal 	0 
bytes_received_real_data_ps 	0 

example statistics	 
stat1 	0 
stat2 	0 


ODBC Support	enabled
Active Persistent Links 	0 
Active Links 	0 
ODBC library 	Win32 

Directive	Local Value	Master Value
odbc.allow_persistent	On	On
odbc.check_persistent	On	On
odbc.default_cursortype	Static cursor	Static cursor
odbc.default_db	no value	no value
odbc.default_pw	no value	no value
odbc.default_user	no value	no value
odbc.defaultbinmode	return as is	return as is
odbc.defaultlrl	return up to 4096 bytes	return up to 4096 bytes
odbc.max_links	Unlimited	Unlimited
odbc.max_persistent	Unlimited	Unlimited


PCRE (Perl Compatible Regular Expressions) Support 	enabled 
PCRE Library Version 	8.31 2012-07-06 

Directive	Local Value	Master Value
pcre.backtrack_limit	1000000	1000000
pcre.recursion_limit	100000	100000


PDO support	enabled
PDO drivers 	no value 


Phar: PHP Archive support	enabled
Phar EXT version 	2.0.1 
Phar API version 	1.1.1 
SVN revision 	$Id: cc7eac717db60fe3deade794d4ae082fe97279ed $ 
Phar-based phar archives 	enabled 
Tar-based phar archives 	enabled 
ZIP-based phar archives 	enabled 
gzip compression 	enabled 
bzip2 compression 	disabled (install pecl/bz2) 
OpenSSL support 	disabled (install ext/openssl) 

Phar based on pear/PHP_Archive, original concept by Davey Shafik.
Phar fully realized by Gregory Beaver and Marcus Boerger.
Portions of tar implementation Copyright (c) 2003-2009 Tim Kientzle.

Directive	Local Value	Master Value
phar.cache_list	no value	no value
phar.readonly	On	On
phar.require_hash	On	On


Reflection	enabled
Version 	$Id: 60f1e547a6dd00239162151e701566debdcee660 $ 


Session Support 	enabled 
Registered save handlers 	files user  
Registered serializer handlers 	php php_binary wddx  

Directive	Local Value	Master Value
session.auto_start	Off	Off
session.cache_expire	180	180
session.cache_limiter	nocache	nocache
session.cookie_domain	no value	no value
session.cookie_httponly	Off	Off
session.cookie_lifetime	0	0
session.cookie_path	/	/
session.cookie_secure	Off	Off
session.entropy_file	no value	no value
session.entropy_length	0	0
session.gc_divisor	1000	1000
session.gc_maxlifetime	1440	1440
session.gc_probability	1	1
session.hash_bits_per_character	5	5
session.hash_function	0	0	PHPSESSID	PHPSESSID
session.referer_check	no value	no value
session.save_handler	files	files
session.save_path	C:\php_temp	C:\php_temp
session.serialize_handler	php	php
session.upload_progress.cleanup	On	On
session.upload_progress.enabled	On	On
session.upload_progress.freq	1%	1%
session.upload_progress.prefix	upload_progress_	upload_progress_
session.use_cookies	On	On
session.use_only_cookies	On	On
session.use_trans_sid	0	0


Simplexml support	enabled
Revision 	$Id: 5514f0fc897197ca9a199fb93b8b5d9135ad711a $ 
Schema support 	enabled 


SPL support	enabled
Interfaces 	Countable, OuterIterator, RecursiveIterator, SeekableIterator, SplObserver, SplSubject 
Classes 	AppendIterator, ArrayIterator, ArrayObject, BadFunctionCallException, BadMethodCallException, CachingIterator, CallbackFilterIterator, DirectoryIterator, DomainException, EmptyIterator, FilesystemIterator, FilterIterator, GlobIterator, InfiniteIterator, InvalidArgumentException, IteratorIterator, LengthException, LimitIterator, LogicException, MultipleIterator, NoRewindIterator, OutOfBoundsException, OutOfRangeException, OverflowException, ParentIterator, RangeException, RecursiveArrayIterator, RecursiveCachingIterator, RecursiveCallbackFilterIterator, RecursiveDirectoryIterator, RecursiveFilterIterator, RecursiveIteratorIterator, RecursiveRegexIterator, RecursiveTreeIterator, RegexIterator, RuntimeException, SplDoublyLinkedList, SplFileInfo, SplFileObject, SplFixedArray, SplHeap, SplMinHeap, SplMaxHeap, SplObjectStorage, SplPriorityQueue, SplQueue, SplStack, SplTempFileObject, UnderflowException, UnexpectedValueException 


Dynamic Library Support 	enabled 
Internal Sendmail Support for Windows 	enabled 

Directive	Local Value	Master Value	1	1
assert.bail	0	0
assert.callback	no value	no value
assert.quiet_eval	0	0
assert.warning	1	1
auto_detect_line_endings	0	0
default_socket_timeout	60	60
from	no value	no value
url_rewriter.tags	a=href,area=href,frame=src,input=src,form=fakeentry	a=href,area=href,frame=src,input=src,form=fakeentry
user_agent	no value	no value


Tokenizer Support 	enabled 


WDDX Support	enabled
WDDX Session Serializer 	enabled 


XML Support 	active 
XML Namespace Support 	active 
libxml2 Version 	2.7.8 


XMLReader 	enabled 


XMLWriter 	enabled 


Zip 	enabled 
Extension Version 	$Id: 74f868b5c3320a31af332207df35d4ff525cba1e $ 
Zip version 	1.11.0 
Libzip version 	0.10.1 


ZLib Support	enabled
Stream Wrapper 	compress.zlib:// 
Stream Filter 	zlib.inflate, zlib.deflate 
Compiled Version 	1.2.7 
Linked Version 	1.2.7 

Directive	Local Value	Master Value
zlib.output_compression	Off	Off
zlib.output_compression_level	-1	-1
zlib.output_handler	no value	no value

Additional Modules

Module Name


Variable	Value
_FCGI_X_PIPE_ 	\\.\pipe\IISFCGI-2c8b7b0b-ef28-4fdf-8e1f-b7a1e40b9f1f 
PHPRC 	C:\Program Files\PHP\ 
ALLUSERSPROFILE 	C:\Documents and Settings\All Users 
APP_POOL_ID 	DefaultAppPool 
ClusterLog 	C:\WINDOWS\Cluster\cluster.log 
CommonProgramFiles 	C:\Program Files\Common Files 
ComSpec 	C:\WINDOWS\system32\cmd.exe 
OS 	Windows_NT 
Path 	C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\system32\WBEM;C:\Server Program Files\Support Tools\;C:\Program Files\PHP\;C:\Server Program Files\Windows Resource Kits\Tools\;C:\Program Files\Aspell\bin;"C:\Server Program Files\PKWARE\pkzipc" 
PROCESSOR_IDENTIFIER 	x86 Family 15 Model 1 Stepping 2, GenuineIntel 
ProgramFiles 	C:\Program Files 
SystemDrive 	C: 
SystemRoot 	C:\WINDOWS 
USERPROFILE 	C:\Documents and Settings\Default User 
windir 	C:\WINDOWS 

PHP Variables

Variable	Value
_SERVER["_FCGI_X_PIPE_"]	\\.\pipe\IISFCGI-2c8b7b0b-ef28-4fdf-8e1f-b7a1e40b9f1f
_SERVER["PHPRC"]	C:\Program Files\PHP\
_SERVER["APP_POOL_ID"]	DefaultAppPool
_SERVER["ClusterLog"]	C:\WINDOWS\Cluster\cluster.log
_SERVER["CommonProgramFiles"]	C:\Program Files\Common Files
_SERVER["ComSpec"]	C:\WINDOWS\system32\cmd.exe
_SERVER["OS"]	Windows_NT
_SERVER["Path"]	C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\system32\WBEM;C:\Server Program Files\Support Tools\;C:\Program Files\PHP\;C:\Server Program Files\Windows Resource Kits\Tools\;C:\Program Files\Aspell\bin;"C:\Server Program Files\PKWARE\pkzipc"
_SERVER["PROCESSOR_IDENTIFIER"]	x86 Family 15 Model 1 Stepping 2, GenuineIntel
_SERVER["ProgramFiles"]	C:\Program Files
_SERVER["SystemDrive"]	C:
_SERVER["SystemRoot"]	C:\WINDOWS
_SERVER["USERPROFILE"]	C:\Documents and Settings\Default User
_SERVER["windir"]	C:\WINDOWS
_SERVER["CONTENT_TYPE"]	application/x-www-form-urlencoded
_SERVER["REQUEST_TIME_FLOAT"]	1384007998.0586
_SERVER["REQUEST_TIME"]	1384007998
 [2013-11-09 15:28 UTC] miqrogroove at hotmail dot com
Also, regarding locale, having a locale-sensitive ASCII behavior would seem to contradict the PCRE manual,

"Characters  with  values  greater  than  128 never  match  \d,  \s,  or  \w,  and always match \D, \S, and \W."
 [2013-11-09 16:36 UTC]
Well, I was just guessing at what could be causing it. Perhaps this is a Windows-specific issue? If so, I can't help you, but I am sure others will be able to assist.
 [2014-12-30 10:42 UTC] php-bugs at lists dot php dot net
No feedback was provided. The bug is being suspended because
we assume that you are no longer experiencing the problem.
If this is not the case and you are able to provide the
information that was requested earlier, please do so and
change the status of the bug back to "Re-Opened". Thank you.
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