php.ini 变量未通过 htaccess 设置

Question

哪些 php.ini 变量我们不能通过 phpfiles 或 htaccess 设置。

表示如果我们要设置变量，那么我们必须直接在php服务器文件中配置。

谁能给我该变量名称的列表？

Answer 1

http://php.net/manual/en/ini.list.php

选中“可更改”列

Answer 2

完整的列表很长。您可以查看此页面List of php.ini directives 寻求帮助。 Changeable栏里有PHP_INI_的你需要看看。

allow_call_time_pass_reference
allow_url_fopen
allow_url_include
always_populate_raw_post_data
apc.cache_by_default
apc.enabled
apc.enable_cli
apc.file_update_protection
apc.filters
apc.gc_ttl
apc.include_once_override
apc.localcache
apc.localcache.size
apc.max_file_size
apc.mmap_file_mask
apc.num_files_hint
apc.optimization
apc.report_autofilter
apc.rfc1867
apc.rfc1867_freq
apc.rfc1867_name
apc.rfc1867_prefix
apc.shm_segments
apc.shm_size
apc.slam_defense
apc.stat
apc.stat_ctime
apc.ttl
apc.user_entries_hint
apc.user_ttl
apc.write_lock
apd.bitmask
apd.dumpdir
apd.statement_tracing
arg_separator
arg_separator.input
arg_separator.output
asp_tags
assert.active
assert.bail
assert.callback
assert.quiet_eval
assert.warning
async_send
auto_append_file
auto_detect_line_endings
auto_globals_jit
auto_prepend_file
axis2.client_home
axis2.enable_exception
axis2.enable_trace
axis2.log_path
bcmath.scale
bcompiler.enabled
birdstep.max_links
blenc.key_file
browscap
cgi.check_shebang_line
cgi.discard_path
cgi.fix_pathinfo
cgi.force_redirect
cgi.nph
cgi.redirect_status_env
cgi.rfc2616_headers
child_terminate
cli.pager
cli.prompt
cli_server.color
coin_acceptor.autoreset
coin_acceptor.auto_initialize
coin_acceptor.auto_reset
coin_acceptor.command_function
coin_acceptor.delay
coin_acceptor.delay_coins
coin_acceptor.delay_prom
coin_acceptor.device
coin_acceptor.lock_on_close
coin_acceptor.start_unlocked
com.allow_dcom
com.autoregister_casesensitive
com.autoregister_typelib
com.autoregister_verbose
com.code_page
com.typelib_file
crack.default_dictionary
daffodildb.default_host
daffodildb.default_password
daffodildb.default_socket
daffodildb.default_user
daffodildb.port
date.default_latitude
date.default_longitude
date.sunrise_zenith
date.sunset_zenith
date.timezone
dba.default_handler
dbx.colnames_case
default_charset
default_mimetype
default_socket_timeout
define_syslog_variables
detect_unicode
disable_classes
disable_functions
display_errors
display_startup_errors
docref_ext
docref_root
doc_root
enable_dl
engine
error_append_string
error_log
error_prepend_string
error_reporting
etpan.default.charset
etpan.default.protocol
exif.decode_jis_intel
exif.decode_jis_motorola
exif.decode_unicode_intel
exif.decode_unicode_motorola
exif.encode_jis
exif.encode_unicode
exit_on_timeout
expect.logfile
expect.loguser
expect.timeout
expose_php
extension
extension_dir
fastcgi.impersonate
fastcgi.logging
fbsql.allow_persistant
fbsql.allow_persistent
fbsql.autocommit
fbsql.batchSize
fbsql.batchsize
fbsql.default_database
fbsql.default_database_password
fbsql.default_host
fbsql.default_password
fbsql.default_user
fbsql.generate_warnings
fbsql.max_connections
fbsql.max_links
fbsql.max_persistent
fbsql.max_results
fbsql.mbatchSize
fbsql.show_timestamp_decimals
file_uploads
filter.default
filter.default_flags
from
gd.jpeg_ignore_warning
geoip.custom_directory
geoip.database_standard
gpc_order
hidef.ini_path
highlight.bg
highlight.comment
highlight.default
highlight.html
highlight.keyword
highlight.string
html_errors
htscanner.config_file
htscanner.default_docroot
htscanner.default_ttl
htscanner.stop_on_error
http.allowed_methods
http.allowed_methods_log
http.cache_log
http.composite_log
http.etag.mode
http.etag_mode
http.force_exit
http.log.allowed_methods
http.log.cache
http.log.composite
http.log.not_found
http.log.redirect
http.ob_deflate_auto
http.ob_deflate_flags
http.ob_inflate_auto
http.ob_inflate_flags
http.only_exceptions
http.persistent.handles.ident
http.persistent.handles.limit
http.redirect_log
http.request.datashare.connect
http.request.datashare.cookie
http.request.datashare.dns
http.request.datashare.ssl
http.request.methods.allowed
http.request.methods.custom
http.send.deflate.start_auto
http.send.deflate.start_flags
http.send.inflate.start_auto
http.send.inflate.start_flags
http.send.not_found_404
hyerwave.allow_persistent
hyperwave.allow_persistent
hyperwave.default_port
ibase.allow_persistent
ibase.dateformat
ibase.default_charset
ibase.default_db
ibase.default_password
ibase.default_user
ibase.max_links
ibase.max_persistent
ibase.timeformat
ibase.timestampformat
ibm_db2.binmode
ibm_db2.i5_allow_commit
ibm_db2.i5_dbcs_alloc
ibm_db2.instance_name
iconv.input_encoding
iconv.internal_encoding
iconv.output_encoding
ifx.allow_persistent
ifx.blobinfile
ifx.byteasvarchar
ifx.charasvarchar
ifx.default_host
ifx.default_password
ifx.default_user
ifx.max_links
ifx.max_persistent
ifx.nullformat
ifx.textasvarchar
ignore_repeated_errors
ignore_repeated_source
ignore_user_abort
imlib2.font_cache_max_size
imlib2.font_path
implicit_flush
include_path
ingres.allow_persistent
ingres.array_index_start
ingres.blob_segment_length
ingres.cursor_mode
ingres.default_database
ingres.default_password
ingres.default_user
ingres.max_links
ingres.max_persistent
ingres.report_db_warnings
ingres.timeout
ingres.trace_connect
ircg.control_user
ircg.keep_alive_interval
ircg.max_format_message_sets
ircg.shared_mem_size
ircg.work_dir
last_modified
ldap.base_dn
ldap.max_links
log.dbm_dir
log_errors
log_errors_max_len
magic_quotes_gpc
magic_quotes_runtime
magic_quotes_sybase
mail.add_x_header
mail.force_extra_parameters
mail.log
mailparse.def_charset
maxdb.default_db
maxdb.default_host
maxdb.default_pw
maxdb.default_user
maxdb.long_readlen
max_execution_time
max_input_nesting_level
max_input_vars
max_input_time
mbstring.detect_order
mbstring.encoding_translation
mbstring.func_overload
mbstring.http_input
mbstring.http_output
mbstring.internal_encoding
mbstring.language
mbstring.script_encoding
mbstring.strict_detection
mbstring.substitute_character
mcrypt.algorithms_dir
mcrypt.modes_dir
memcache.allow_failover
memcache.chunk_size
memcache.default_port
memcache.hash_function
memcache.hash_strategy
memcache.max_failover_attempts
memory_limit
mime_magic.debug
mime_magic.magicfile
msql.allow_persistent
msql.max_links
msql.max_persistent
mssql.allow_persistent
mssql.batchsize
mssql.charset
mssql.compatability_mode
mssql.connect_timeout
mssql.datetimeconvert
mssql.max_links
mssql.max_persistent
mssql.max_procs
mssql.min_error_severity
mssql.min_message_severity
mssql.secure_connection
mssql.textlimit
mssql.textsize
mssql.timeout
mysql.allow_persistent
mysql.connect_timeout
mysql.default_host
mysql.default_password
mysql.default_port
mysql.default_socket
mysql.default_user
mysql.max_links
mysql.max_persistent
mysql.trace_mode
mysqli.default_host
mysqli.default_port
mysqli.default_pw
mysqli.default_socket
mysqli.default_user
mysqli.max_links
mysqli.reconnect
namazu.debugmode
namazu.lang
namazu.loggingmode
namazu.sortmethod
namazu.sortorder
nsapi.read_timeout
oci8.default_prefetch
oci8.max_persistent
oci8.old_oci_close_semantics
oci8.persistent_timeout
oci8.ping_interval
oci8.privileged_connect
oci8.statement_cache_size
odbc.allow_persistent
odbc.check_persistent
odbc.defaultbinmode
odbc.defaultlrl
odbc.default_db
odbc.default_pw
odbc.default_user
odbc.max_links
odbc.max_persistent
odbtp.datetime_format
odbtp.detach_default_queries
odbtp.guid_format
odbtp.interface_file
odbtp.truncation_errors
opendirectory.default_separator
opendirectory.max_refs
opendirectory.separator
open_basedir
oracle.allow_persistent
oracle.max_links
oracle.max_persistent
output_buffering
output_handler
pam.servicename
pcre.backtrack_limit
pcre.recursion_limit
pdo.dsn.*
pdo_odbc.connection_pooling
pdo_odbc.db2_instance_name
pfpro.defaulthost
pfpro.defaultport
pfpro.defaulttimeout
pfpro.proxyaddress
pfpro.proxylogon
pfpro.proxypassword
pfpro.proxyport
pgsql.allow_persistent
pgsql.auto_reset_persistent
pgsql.ignore_notice
pgsql.log_notice
pgsql.max_links
pgsql.max_persistent
phar.extract_list
phar.readonly
phar.require_hash
enable_post_data_reading
post_max_size
precision
printer.default_printer
python.append_path
python.prepend_path
realpath_cache_size
realpath_cache_ttl
register_argc_argv
register_globals
register_long_arrays
report_memleaks
report_zend_debug
request_order
runkit.internal_override
runkit.superglobal
safe_mode
safe_mode_allowed_env_vars
safe_mode_exec_dir
safe_mode_gid
safe_mode_include_dir
safe_mode_protected_env_vars
sendmail_from
sendmail_path
serialize_precision
session.auto_start
session.bug_compat_42
session.bug_compat_warn
session.cache_expire
session.cache_limiter
session.cookie_domain
session.cookie_httponly
session.cookie_lifetime
session.cookie_path
session.cookie_secure
session.entropy_file
session.entropy_length
session.gc_dividend
session.gc_divisor
session.gc_maxlifetime
session.gc_probability
session.hash_bits_per_character
session.hash_function
session.name
session.referer_check
session.save_handler
session.save_path
session.serialize_handler
session.use_cookies
session.use_only_cookies
session.use_trans_sid
session_pgsql.create_table
session_pgsql.db
session_pgsql.disable
session_pgsql.failover_mode
session_pgsql.gc_interval
session_pgsql.keep_expired
session_pgsql.sem_file_name
session_pgsql.serializable
session_pgsql.short_circuit
session_pgsql.use_app_vars
session_pgsql.vacuum_interval
short_open_tag
simple_cvs.authMethod
simple_cvs.compressionLevel
simple_cvs.cvsRoot
simple_cvs.host
simple_cvs.moduleName
simple_cvs.userName
simple_cvs.workingDir
SMTP
smtp_port
soap.wsdl_cache
soap.wsdl_cache_dir
soap.wsdl_cache_enabled
soap.wsdl_cache_limit
soap.wsdl_cache_ttl
sql.safe_mode
sqlite.assoc_case
sybase.allow_persistent
sybase.hostname
sybase.interface_file
sybase.login_timeout
sybase.max_links
sybase.max_persistent
sybase.min_client_severity
sybase.min_error_severity
sybase.min_message_severity
sybase.min_server_severity
sybase.timeout
sybct.allow_persistent
sybct.deadlock_retry_count
sybct.hostname
sybct.login_timeout
sybct.max_links
sybct.max_persistent
sybct.min_client_severity
sybct.min_server_severity
sybct.packet_size
sybct.timeout
sysvshm.init_mem
tidy.clean_output
tidy.default_config
track_errors
track_vars
unserialize_callback_func
uploadprogress.file.filename_template
upload_max_filesize
max_file_uploads
upload_tmp_dir
url_rewriter.tags
user_agent
user_dir
user_ini.cache_ttl
user_ini.filename
valkyrie.auto_validate
valkyrie.config_path
variables_order
velocis.max_links
vld.active
vld.execute
vld.skip_append
vld.skip_prepend
windows_show_crt_warning
xbithack
xdebug.auto_profile
xdebug.auto_profile_mode
xdebug.auto_trace
xdebug.collect_includes
xdebug.collect_params
xdebug.collect_return
xdebug.collect_vars
xdebug.default_enable
xdebug.dump.COOKIE
xdebug.dump.ENV
xdebug.dump.FILES
xdebug.dump.GET
xdebug.dump.POST
xdebug.dump.REQUEST
xdebug.dump.SERVER
xdebug.dump.SESSION
xdebug.dump_globals
xdebug.dump_once
xdebug.dump_undefined
xdebug.extended_info
xdebug.idekey
xdebug.manual_url
xdebug.max_nesting_level
xdebug.output_dir
xdebug.profiler_aggregate
xdebug.profiler_append
xdebug.profiler_enable
xdebug.profiler_enable_trigger
xdebug.profiler_output_dir
xdebug.profiler_output_name
xdebug.remote_autostart
xdebug.remote_enable
xdebug.remote_handler
xdebug.remote_host
xdebug.remote_log
xdebug.remote_mode
xdebug.remote_port
xdebug.show_exception_trace
xdebug.show_local_vars
xdebug.show_mem_delta
xdebug.trace_format
xdebug.trace_options
xdebug.trace_output_dir
xdebug.trace_output_name
xdebug.var_display_max_children
xdebug.var_display_max_data
xdebug.var_display_max_depth
xmlrpc_errors
xmlrpc_error_number
xmms.path
xmms.session
y2k_compliance
yami.response.timeout
yaz.keepalive
yaz.log_file
yaz.log_mask
yaz.max_links
zend.enable_gc
zend.multibyte
zend.script_encoding
zend.signal_check
zend.ze1_compatibility_mode
zend_extension
zend_extension_debug
zend_extension_debug_ts
zend_extension_ts
zlib.output_compression
zlib.output_compression_level
zlib.output_handler

Answer 3

请在此处查看变量列表

http://php.net/manual/en/ini.list.php

其中的“可更改”列显示了确定何时何地可以设置指令的模式。

网址是

http://www.php.net/manual/en/configuration.changes.modes.php

Answer 4

检查List of php.ini directives 和Changeable 字段。