Here's a list of stuff we documented for [the old] PHP 6. This does _not_ 
necessarily reflect what was implemented, or what was going to be implemented, 
but it only refers to what did end up in the documentation (but is now 
commented out or removed). 

Please determine which features/ideas are dead (or on extended holiday) versus 
which will end up in the current trunk.

Again, this only refers to stuff that was found within the PHP Manual for PHP 
6. Of course, not every perceived PHP 6 change was documented


Functions:
------------------------------
*** New:
- Extension: i18n (part of ext/unicode I believe)
- Extension: unicode
- gzdecode()
- idn_to_unicode() (via ext/intl)
- is_binary()
- is_buffer()
- is_unicode()
- stream_encoding()

*** Changed:
- GD extension: removed support for GD/FreeType 1.x
- declare(): encoding directive informs scanner
- array sorting: setlocale() vs i18n_loc_set_default() for SORT_LOCALE_STRING
- file_get_contents(): 'use_include_path' parameter changed to 'flags', with 
many added options
- proc_open(): added 'context' and 'binary_pipes' as other_options
- ob_start(): chunk_size of 1 no longer means '4096'
- stream_resolve_include_path(): Added context parameter
- chr(): now uses codepoint as input

*** Removed:
- Extension: ereg
- define_syslog_variables()
- mysql_db_query()
- mysql_escape_string()
- session_register()
- session_unregister()
- session_is_registered()
- set_magic_quotes_runtime()

INI Directives:
------------------------------
*** New:
- mysql.allow_local_infile
- mysql.cache_size
- mysqli.allow_local_infile
- mysqli.cache_size
- mysqlnd.collect_statistics
- sqlite.iso8859.locale
- unicode.fallback_encoding
- unicode.filesystem_encoding
- unicode.http_input_encoding
- unicode.output_encoding
- unicode.runtime_encoding
- unicode.script_encoding
- unicode.stream_encoding

*** Changed:
- allow_url_fopen (PHP_INI_ALL to PHP_INI_SYSTEM)
- error_reporting (E_STRICT part of E_ALL)

*** Removed:
- allow_call_time_pass_reference
- define_syslog_variables
- detect_unicode
- enable_dl
- highlight.bg
- magic_quotes_gpc
- magic_quotes_runtime
- magic_quotes_sybase
- pdo_odbc.db2_instance_name
- register_globals
- register_long_arrays
- safe_mode
- safe_mode_allowed_env_vars
- safe_mode_exec_dir
- safe_mode_gid
- safe_mode_include_dir
- safe_mode_protected_env_vars
- session.bug_compat_42
- session.bug_compat_warn

Other:
------------------------------
- (binary) type casting/juggling
- FILE_BINARY and FILE_TEXT constants for file functions have uses

Regards,
Philip
--
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