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<Configure optionsDescription of core php.ini directives>
Last updated: Tue, 19 Sep 2006

Appendix G. php.ini directives

List of php.ini directives

This list includes the php.ini directives you can set to configure your PHP setup.

Table G-1. Configuration options

NameDefaultChangeableChangelog
allow_call_time_pass_reference"1"PHP_INI_PERDIRPHP_INI_ALL in PHP <= 4.0.0.
allow_url_fopen"1"PHP_INI_SYSTEMPHP_INI_ALL in PHP <= 4.3.4. Available since PHP 4.0.4.
allow_url_include"0"PHP_INI_SYSTEMAvailable since PHP 6.0.0.
always_populate_raw_post_data"0"PHP_INI_PERDIRPHP_INI_ALL in PHP <= 4.2.3. Available since PHP 4.1.0.
apc.cache_by_default"1"PHP_INI_SYSTEM 
apc.enabled"1"PHP_INI_ALL 
apc.enable_cli"0"PHP_INI_SYSTEM 
apc.file_update_protection"2"PHP_INI_SYSTEM 
apc.filtersNULLPHP_INI_SYSTEM 
apc.gc_ttl"3600"PHP_INI_SYSTEM 
apc.max_file_size"1M"PHP_INI_SYSTEM 
apc.mmap_file_maskNULLPHP_INI_SYSTEM 
apc.num_files_hint"1000"PHP_INI_SYSTEM 
apc.optimization"0"PHP_INI_ALL 
apc.shm_segments"1"PHP_INI_SYSTEM 
apc.shm_size"30"PHP_INI_SYSTEM 
apc.slam_defense"0"PHP_INI_SYSTEM 
apc.ttl"0"PHP_INI_SYSTEM 
apc.user_entries_hint"100"PHP_INI_SYSTEM 
apc.user_ttl"0"PHP_INI_SYSTEM 
arg_separator.input"&"PHP_INI_PERDIRAvailable since PHP 4.0.5.
arg_separator.output"&"PHP_INI_ALLAvailable since PHP 4.0.5.
asp_tags"0"PHP_INI_PERDIRPHP_INI_ALL in PHP <= 4.0.0.
assert.active"1"PHP_INI_ALL 
assert.bail"0"PHP_INI_ALL 
assert.callbackNULLPHP_INI_ALL 
assert.quiet_eval"0"PHP_INI_ALL 
assert.warning"1"PHP_INI_ALL 
auto_append_fileNULLPHP_INI_PERDIRPHP_INI_ALL in PHP <= 4.2.3.
auto_detect_line_endings"0"PHP_INI_ALLAvailable since PHP 4.3.0.
auto_globals_jit"1"PHP_INI_PERDIRAvailable since PHP 5.0.0.
auto_prepend_fileNULLPHP_INI_PERDIRPHP_INI_ALL in PHP <= 4.2.3.
bcmath.scale"0"PHP_INI_ALL 
bcompiler.enabled"1"PHP_INI_ALL 
birdstep.max_links"-1"PHP_INI_ALLAvailable since PHP 4.2.0.
blenc.key_file"/usr/local/etc/blenckeys"PHP_INI_ALL 
browscapNULLPHP_INI_SYSTEM 
cgi.discard_path"0"PHP_INI_ALLAvailable since PHP 6.0.0.
cgi.fix_pathinfo"1"PHP_INI_ALLAvailable since PHP 4.3.0.
cgi.force_redirect"1"PHP_INI_ALLAvailable since PHP 4.2.0.
cgi.nph"0"PHP_INI_ALLAvailable since PHP 4.3.5.
cgi.redirect_status_envNULLPHP_INI_ALLAvailable since PHP 4.2.0.
cgi.rfc2616_headers"0"PHP_INI_ALLAvailable since PHP 4.3.0.
child_terminate"0"PHP_INI_ALLAvailable since PHP 4.0.5.
com.allow_dcom"0"PHP_INI_SYSTEMAvailable since PHP 4.0.5.
com.autoregister_casesensitive"1"PHP_INI_ALLPHP_INI_SYSTEM in PHP 4. Available since PHP 4.1.0.
com.autoregister_typelib"0"PHP_INI_ALLPHP_INI_SYSTEM in PHP 4. Available since PHP 4.1.0.
com.autoregister_verbose"0"PHP_INI_ALLPHP_INI_SYSTEM in PHP 4. Available since PHP 4.1.0.
com.code_page""PHP_INI_ALLAvailable since PHP 5.0.0.
com.typelib_file""PHP_INI_SYSTEMAvailable since PHP 4.0.5.
crack.default_dictionaryNULLPHP_INI_PERDIRAvailable since PHP 4.0.5.
daffodildb.default_host"localhost"PHP_INI_ALL 
daffodildb.default_password"daffodil"PHP_INI_ALL 
daffodildb.default_socketNULLPHP_INI_ALL 
daffodildb.default_user"DAFFODIL"PHP_INI_ALL 
daffodildb.port"3456"PHP_INI_ALL 
date.default_latitude"31.7667"PHP_INI_ALLAvailable since PHP 5.0.0.
date.default_longitude"35.2333"PHP_INI_ALLAvailable since PHP 5.0.0.
date.sunrise_zenith"90.83"PHP_INI_ALLAvailable since PHP 5.0.0.
date.sunset_zenith"90.83"PHP_INI_ALLAvailable since PHP 5.0.0.
date.timezone""PHP_INI_ALLAvailable since PHP 5.1.0.
dba.default_handler""PHP_INI_ALLAvailable since PHP 4.3.3.
dbx.colnames_case"unchanged"PHP_INI_SYSTEMAvailable since PHP 4.3.0.
default_charset""PHP_INI_ALL 
default_mimetype"text/html"PHP_INI_ALL 
default_socket_timeout"60"PHP_INI_ALLAvailable since PHP 4.3.0.
define_syslog_variables"0"PHP_INI_ALL 
disable_classes""php.ini onlyAvailable since PHP 4.3.2.
disable_functions""php.ini onlyAvailable since PHP 4.0.1.
display_errors"1"PHP_INI_ALL 
display_startup_errors"0"PHP_INI_ALLAvailable since PHP 4.0.3.
docref_ext""PHP_INI_ALLAvailable since PHP 4.3.2.
docref_root""PHP_INI_ALLAvailable since PHP 4.3.0.
doc_rootNULLPHP_INI_SYSTEM 
enable_dl"1"PHP_INI_SYSTEM 
engine"1"PHP_INI_ALLAvailable since PHP 4.0.5.
error_append_stringNULLPHP_INI_ALL 
error_logNULLPHP_INI_ALL 
error_prepend_stringNULLPHP_INI_ALL 
error_reportingNULLPHP_INI_ALL 
exif.decode_jis_intel"JIS"PHP_INI_ALLAvailable since PHP 4.3.0.
exif.decode_jis_motorola"JIS"PHP_INI_ALLAvailable since PHP 4.3.0.
exif.decode_unicode_intel"UCS-2LE"PHP_INI_ALLAvailable since PHP 4.3.0.
exif.decode_unicode_motorola"UCS-2BE"PHP_INI_ALLAvailable since PHP 4.3.0.
exif.encode_jis""PHP_INI_ALLAvailable since PHP 4.3.0.
exif.encode_unicode"ISO-8859-15"PHP_INI_ALLAvailable since PHP 4.3.0.
expect.logfile""PHP_INI_ALL 
expect.loguser"1"PHP_INI_ALL 
expect.timeout"10"PHP_INI_ALL 
expose_php"1"php.ini only 
extension_dir"/path/to/php"PHP_INI_SYSTEM 
fastcgi.impersonate"0"PHP_INI_ALLAvailable since PHP 4.3.0.
fastcgi.logging"1"PHP_INI_ALLAvailable since PHP 4.4.0.
fbsql.allow_persistent"1"PHP_INI_SYSTEMAvailable since PHP 4.2.0.
fbsql.autocommit"1"PHP_INI_SYSTEMAvailable since PHP 4.0.6.
fbsql.batchsize"1000"PHP_INI_ALLAvailable since PHP 5.1.0.
fbsql.default_database""PHP_INI_SYSTEMAvailable since PHP 4.0.6.
fbsql.default_database_password""PHP_INI_SYSTEMAvailable since PHP 4.0.6.
fbsql.default_hostNULLPHP_INI_SYSTEMAvailable since PHP 4.0.6.
fbsql.default_password""PHP_INI_SYSTEMAvailable since PHP 4.0.6.
fbsql.default_user"_SYSTEM"PHP_INI_SYSTEMAvailable since PHP 4.0.6.
fbsql.generate_warnings"0"PHP_INI_SYSTEMAvailable since PHP 4.0.6.
fbsql.max_connections"128"PHP_INI_SYSTEMAvailable since PHP 4.0.6.
fbsql.max_links"128"PHP_INI_SYSTEMAvailable since PHP 4.0.6.
fbsql.max_persistent"-1"PHP_INI_SYSTEMAvailable since PHP 4.0.6.
fbsql.max_results"128"PHP_INI_SYSTEMAvailable since PHP 4.0.6.
file_uploads"1"PHP_INI_SYSTEMPHP_INI_ALL in PHP <= 4.2.3. Available since PHP 4.0.3.
filter.default"string"PHP_INI_ALL 
filter.default_flagsNULLPHP_INI_ALL 
from""PHP_INI_ALL 
highlight.bg"#FFFFFF"PHP_INI_ALL 
highlight.comment"#FF8000"PHP_INI_ALL 
highlight.default"#0000BB"PHP_INI_ALL 
highlight.html"#000000"PHP_INI_ALL 
highlight.keyword"#007700"PHP_INI_ALL 
highlight.string"#DD0000"PHP_INI_ALL 
html_errors"1"PHP_INI_ALLPHP_INI_SYSTEM in PHP <= 4.2.3. Available since PHP 4.0.2.
http.allowed_methods""PHP_INI_ALL 
http.allowed_methods_log""PHP_INI_ALL 
http.cache_log""PHP_INI_ALL 
http.composite_log""PHP_INI_ALL 
http.etag_mode"MD5"PHP_INI_ALL 
http.force_exit"1"PHP_INI_ALL 
http.ob_deflate_auto"0"PHP_INI_PERDIR 
http.ob_deflate_flags"0"PHP_INI_ALL 
http.ob_inflate_auto"0"PHP_INI_PERDIR 
http.ob_inflate_flags"0"PHP_INI_ALL 
http.only_exceptions"0"PHP_INI_ALL 
http.redirect_log""PHP_INI_ALL 
hyperwave.allow_persistent"0"PHP_INI_SYSTEMAvailable since PHP 4.3.2.
hyperwave.default_port"418"PHP_INI_ALL 
ibase.allow_persistent"1"PHP_INI_SYSTEM 
ibase.dateformat"%Y-%m-%d"PHP_INI_ALL 
ibase.default_charsetNULLPHP_INI_ALLAvailable since PHP 5.0.0.
ibase.default_dbNULLPHP_INI_SYSTEMAvailable since PHP 5.0.0.
ibase.default_passwordNULLPHP_INI_ALL 
ibase.default_userNULLPHP_INI_ALL 
ibase.max_links"-1"PHP_INI_SYSTEM 
ibase.max_persistent"-1"PHP_INI_SYSTEM 
ibase.timeformat"%H:%M:%S"PHP_INI_ALL 
ibase.timestampformat"%Y-%m-%d %H:%M:%S"PHP_INI_ALL 
ibm_db2.binmode"1"PHP_INI_ALL 
ibm_db2.instance_nameNULLPHP_INI_SYSTEM 
iconv.input_encoding"ISO-8859-1"PHP_INI_ALLAvailable since PHP 4.0.5.
iconv.internal_encoding"ISO-8859-1"PHP_INI_ALLAvailable since PHP 4.0.5.
iconv.output_encoding"ISO-8859-1"PHP_INI_ALLAvailable since PHP 4.0.5.
ifx.allow_persistent"1"PHP_INI_SYSTEM 
ifx.blobinfile"1"PHP_INI_ALL 
ifx.byteasvarchar"0"PHP_INI_ALL 
ifx.charasvarchar"0"PHP_INI_ALL 
ifx.default_hostNULLPHP_INI_SYSTEM 
ifx.default_passwordNULLPHP_INI_SYSTEM 
ifx.default_userNULLPHP_INI_SYSTEM 
ifx.max_links"-1"PHP_INI_SYSTEM 
ifx.max_persistent"-1"PHP_INI_SYSTEM 
ifx.nullformat"0"PHP_INI_ALL 
ifx.textasvarchar"0"PHP_INI_ALL 
ignore_repeated_errors"0"PHP_INI_ALLAvailable since PHP 4.3.0.
ignore_repeated_source"0"PHP_INI_ALLAvailable since PHP 4.3.0.
ignore_user_abort"0"PHP_INI_ALL 
implicit_flush"0"PHP_INI_ALLPHP_INI_PERDIR in PHP <= 4.2.3.
include_path".;/path/to/php/pear"PHP_INI_ALL 
ingres.allow_persistent"1"PHP_INI_SYSTEMAvailable since PHP 4.0.2.
ingres.blob_segment_length"4096"PHP_INI_ALL 
ingres.cursor_mode"0"PHP_INI_ALL 
ingres.default_databaseNULLPHP_INI_ALLAvailable since PHP 4.0.2.
ingres.default_passwordNULLPHP_INI_ALLAvailable since PHP 4.0.2.
ingres.default_userNULLPHP_INI_ALLAvailable since PHP 4.0.2.
ingres.max_links"-1"PHP_INI_SYSTEMAvailable since PHP 4.0.2.
ingres.max_persistent"-1"PHP_INI_SYSTEMAvailable since PHP 4.0.2.
ingres.report_db_warnings"1"PHP_INI_ALL 
ingres.timeout"-1"PHP_INI_ALL 
ingres.trace_connect"0"PHP_INI_ALL 
ircg.control_user"nobody"PHP_INI_ALLAvailable since PHP 5.0.0.
ircg.keep_alive_interval"60"PHP_INI_ALLAvailable since PHP 5.0.0.
ircg.max_format_message_sets"12"PHP_INI_ALLAvailable since PHP 5.0.0.
ircg.shared_mem_size"6000000"PHP_INI_ALLAvailable since PHP 5.0.0.
ircg.work_dir"/tmp/ircg"PHP_INI_ALLAvailable since PHP 5.0.0.
last_modified"0"PHP_INI_ALLAvailable since PHP 4.0.5.
ldap.max_links"-1"PHP_INI_SYSTEM 
log_errors"0"PHP_INI_ALL 
log_errors_max_len"1024"PHP_INI_ALLAvailable since PHP 4.3.0.
magic_quotes_gpc"1"PHP_INI_PERDIRPHP_INI_ALL in PHP <= 4.2.3.
magic_quotes_runtime"0"PHP_INI_ALL 
magic_quotes_sybase"0"PHP_INI_ALL 
mail.force_extra_parametersNULLPHP_INI_PERDIRAvailable since PHP 5.0.0.
mailparse.def_charset"us-ascii"PHP_INI_ALLAvailable since PHP 4.1.0.
maxdb.default_dbNULLPHP_INI_ALL 
maxdb.default_hostNULLPHP_INI_ALL 
maxdb.default_pwNULLPHP_INI_ALL 
maxdb.default_userNULLPHP_INI_ALL 
maxdb.long_readlen"200"PHP_INI_ALL 
max_execution_time"30"PHP_INI_ALL 
max_input_time"-1"PHP_INI_PERDIRAvailable since PHP 4.3.0.
mbstring.detect_orderNULLPHP_INI_ALLAvailable since PHP 4.0.6.
mbstring.encoding_translation"0"PHP_INI_PERDIRAvailable since PHP 4.3.0.
mbstring.func_overload"0"PHP_INI_PERDIRPHP_INI_SYSTEM in PHP <= 4.2.3. Available since PHP 4.2.0.
mbstring.http_input"pass"PHP_INI_ALLAvailable since PHP 4.0.6.
mbstring.http_output"pass"PHP_INI_ALLAvailable since PHP 4.0.6.
mbstring.internal_encodingNULLPHP_INI_ALLAvailable since PHP 4.0.6.
mbstring.language"neutral"PHP_INI_PERDIRAvailable since PHP 4.3.0.
mbstring.script_encodingNULLPHP_INI_ALLAvailable since PHP 4.3.0.
mbstring.strict_detection"0"PHP_INI_ALLAvailable since PHP 5.1.2.
mbstring.substitute_characterNULLPHP_INI_ALLAvailable since PHP 4.0.6.
mcrypt.algorithms_dirNULLPHP_INI_ALLAvailable since PHP 4.0.2.
mcrypt.modes_dirNULLPHP_INI_ALLAvailable since PHP 4.0.2.
memory_limit"8M"PHP_INI_ALL 
mime_magic.debug"0"PHP_INI_SYSTEMAvailable since PHP 5.0.0.
mime_magic.magicfile"/path/to/php/magic.mime"PHP_INI_SYSTEMAvailable since PHP 4.3.0.
msql.allow_persistent"1"PHP_INI_ALL 
msql.max_links"-1"PHP_INI_ALL 
msql.max_persistent"-1"PHP_INI_ALL 
mssql.allow_persistent"1"PHP_INI_SYSTEM 
mssql.batchsize"0"PHP_INI_ALLAvailable since PHP 4.0.4.
mssql.charset""PHP_INI_ALLAvailable since PHP 5.1.2.
mssql.compatability_mode"0"PHP_INI_ALL 
mssql.connect_timeout"5"PHP_INI_ALL 
mssql.datetimeconvert"1"PHP_INI_ALLAvailable since PHP 4.2.0.
mssql.max_links"-1"PHP_INI_SYSTEM 
mssql.max_persistent"-1"PHP_INI_SYSTEM 
mssql.max_procs"-1"PHP_INI_ALLAvailable since PHP 4.3.0.
mssql.min_error_severity"10"PHP_INI_ALL 
mssql.min_message_severity"10"PHP_INI_ALL 
mssql.secure_connection"0"PHP_INI_SYSTEMAvailable since PHP 4.3.0.
mssql.textlimit"-1"PHP_INI_ALL 
mssql.textsize"-1"PHP_INI_ALL 
mssql.timeout"60"PHP_INI_ALLAvailable since PHP 4.1.0.
mysql.allow_persistent"1"PHP_INI_SYSTEM 
mysql.connect_timeout"60"PHP_INI_ALLPHP_INI_SYSTEM in PHP <= 4.3.2. Available since PHP 4.3.0.
mysql.default_hostNULLPHP_INI_ALL 
mysql.default_passwordNULLPHP_INI_ALL 
mysql.default_portNULLPHP_INI_ALL 
mysql.default_socketNULLPHP_INI_ALLAvailable since PHP 4.0.1.
mysql.default_userNULLPHP_INI_ALL 
mysql.max_links"-1"PHP_INI_SYSTEM 
mysql.max_persistent"-1"PHP_INI_SYSTEM 
mysql.trace_mode"0"PHP_INI_ALLAvailable since PHP 4.3.0.
mysqli.default_hostNULLPHP_INI_ALLAvailable since PHP 5.0.0.
mysqli.default_port"3306"PHP_INI_ALLAvailable since PHP 5.0.0.
mysqli.default_pwNULLPHP_INI_ALLAvailable since PHP 5.0.0.
mysqli.default_socketNULLPHP_INI_ALLAvailable since PHP 5.0.0.
mysqli.default_userNULLPHP_INI_ALLAvailable since PHP 5.0.0.
mysqli.max_links"-1"PHP_INI_SYSTEMAvailable since PHP 5.0.0.
mysqli.reconnect"0"PHP_INI_SYSTEMAvailable since PHP 5.0.0.
namazu.debugmode"0"PHP_INI_ALL 
namazu.langNULLPHP_INI_ALL 
namazu.loggingmode"0"PHP_INI_ALL 
namazu.sortmethodNULLPHP_INI_ALL 
namazu.sortorderNULLPHP_INI_ALL 
nsapi.read_timeout"60"PHP_INI_ALLAvailable since PHP 4.3.3.
oci8.default_prefetch"10"PHP_INI_SYSTEMAvailable since PHP 5.1.2.
oci8.max_persistent"-1"PHP_INI_SYSTEMAvailable since PHP 5.1.2.
oci8.old_oci_close_semantics"0"PHP_INI_SYSTEMAvailable since PHP 5.1.2.
oci8.persistent_timeout"-1"PHP_INI_SYSTEMAvailable since PHP 5.1.2.
oci8.ping_interval"60"PHP_INI_SYSTEMAvailable since PHP 5.1.2.
oci8.privileged_connect"0"PHP_INI_SYSTEMAvailable since PHP 5.1.2.
oci8.statement_cache_size"20"PHP_INI_SYSTEMAvailable since PHP 5.1.2.
odbc.allow_persistent"1"PHP_INI_SYSTEM 
odbc.check_persistent"1"PHP_INI_SYSTEM 
odbc.defaultbinmode"1"PHP_INI_ALL 
odbc.defaultlrl"4096"PHP_INI_ALL 
odbc.default_dbNULLPHP_INI_ALL 
odbc.default_pwNULLPHP_INI_ALL 
odbc.default_userNULLPHP_INI_ALL 
odbc.max_links"-1"PHP_INI_SYSTEM 
odbc.max_persistent"-1"PHP_INI_SYSTEM 
opendirectory.max_refs"-1"PHP_INI_ALL 
opendirectory.separator"/"PHP_INI_ALL 
open_basedirNULLPHP_INI_SYSTEM 
oracle.allow_persistent"-1"PHP_INI_ALL 
oracle.max_links"-1"PHP_INI_ALL 
oracle.max_persistent"-1"PHP_INI_ALL 
output_buffering"0"PHP_INI_PERDIR 
output_handlerNULLPHP_INI_PERDIRAvailable since PHP 4.0.4.
pdo_odbc.connection_pooling"strict"PHP_INI_ALLAvailable since PHP 5.1.0.
pfpro.defaulthost"test-payflow.verisign.com"PHP_INI_ALLAvailable since PHP 4.0.2.
pfpro.defaultport"443"PHP_INI_ALLAvailable since PHP 4.0.2.
pfpro.defaulttimeout"30"PHP_INI_ALLAvailable since PHP 4.0.2.
pfpro.proxyaddress""PHP_INI_ALLAvailable since PHP 4.0.2.
pfpro.proxylogon""PHP_INI_ALLAvailable since PHP 4.0.2.
pfpro.proxypassword""PHP_INI_ALLAvailable since PHP 4.0.2.
pfpro.proxyport""PHP_INI_ALLAvailable since PHP 4.0.2.
pgsql.allow_persistent"1"PHP_INI_SYSTEM 
pgsql.auto_reset_persistent"0"PHP_INI_SYSTEMAvailable since PHP 4.2.0.
pgsql.ignore_notice"0"PHP_INI_ALLAvailable since PHP 4.3.0.
pgsql.log_notice"0"PHP_INI_ALLAvailable since PHP 4.3.0.
pgsql.max_links"-1"PHP_INI_SYSTEM 
pgsql.max_persistent"-1"PHP_INI_SYSTEM 
post_max_size"8M"PHP_INI_PERDIRPHP_INI_SYSTEM in PHP <= 4.2.3. Available since PHP 4.0.3.
precision"14"PHP_INI_ALL 
printer.default_printer""PHP_INI_ALL 
realpath_cache_size"16K"PHP_INI_SYSTEMAvailable since PHP 5.1.0.
realpath_cache_ttl"120"PHP_INI_SYSTEMAvailable since PHP 5.1.0.
register_argc_argv"1"PHP_INI_PERDIRPHP_INI_ALL in PHP <= 4.2.3.
register_globals"0"PHP_INI_PERDIRPHP_INI_ALL in PHP <= 4.2.3.
register_long_arrays"1"PHP_INI_PERDIRAvailable since PHP 5.0.0.
report_memleaks"1"PHP_INI_ALLAvailable since PHP 4.3.0.
report_zend_debug"1"PHP_INI_ALLAvailable since PHP 5.0.0.
runkit.internal_override"0"PHP_INI_SYSTEM 
runkit.superglobal""PHP_INI_PERDIR 
safe_mode"0"PHP_INI_SYSTEM 
safe_mode_allowed_env_vars"PHP_"PHP_INI_SYSTEM 
safe_mode_exec_dir""PHP_INI_SYSTEM 
safe_mode_gid"0"PHP_INI_SYSTEMAvailable since PHP 4.1.0.
safe_mode_include_dirNULLPHP_INI_SYSTEMAvailable since PHP 4.1.0.
safe_mode_protected_env_vars"LD_LIBRARY_PATH"PHP_INI_SYSTEM 
sendmail_fromNULLPHP_INI_ALL 
sendmail_pathNULLPHP_INI_SYSTEM 
serialize_precision"100"PHP_INI_ALLAvailable since PHP 4.3.2.
session.auto_start"0"PHP_INI_ALL 
session.bug_compat_42"1"PHP_INI_ALLAvailable since PHP 4.3.0.
session.bug_compat_warn"1"PHP_INI_ALLAvailable since PHP 4.3.0.
session.cache_expire"180"PHP_INI_ALL 
session.cache_limiter"nocache"PHP_INI_ALL 
session.cookie_domain""PHP_INI_ALL 
session.cookie_lifetime"0"PHP_INI_ALL 
session.cookie_path"/"PHP_INI_ALL 
session.cookie_secure""PHP_INI_ALLAvailable since PHP 4.0.4.
session.entropy_file""PHP_INI_ALL 
session.entropy_length"0"PHP_INI_ALL 
session.gc_divisor"100"PHP_INI_ALLAvailable since PHP 4.3.2.
session.gc_maxlifetime"1440"PHP_INI_ALL 
session.gc_probability"1"PHP_INI_ALL 
session.hash_bits_per_character"4"PHP_INI_ALLAvailable since PHP 5.0.0.
session.hash_function"0"PHP_INI_ALLAvailable since PHP 5.0.0.
session.name"PHPSESSID"PHP_INI_ALL 
session.referer_check""PHP_INI_ALL 
session.save_handler"files"PHP_INI_ALL 
session.save_path""PHP_INI_ALL 
session.serialize_handler"php"PHP_INI_ALL 
session.use_cookies"1"PHP_INI_ALL 
session.use_only_cookies"1"PHP_INI_ALLAvailable since PHP 4.3.0.
session.use_trans_sid"0"PHP_INI_ALLPHP_INI_ALL in PHP <= 4.2.3. PHP_INI_PERDIR in PHP < 5. Available since PHP 4.0.3.
session_pgsql.create_table"1"PHP_INI_SYSTEM 
session_pgsql.db"host=localhost dbname=php_session user=nobody"PHP_INI_SYSTEM 
session_pgsql.disable"0"PHP_INI_SYSTEM 
session_pgsql.failover_mode"0"PHP_INI_SYSTEM 
session_pgsql.gc_interval"3600"PHP_INI_SYSTEM 
session_pgsql.keep_expired"0"PHP_INI_SYSTEM 
session_pgsql.sem_file_name"/tmp/php_session_pgsql"PHP_INI_SYSTEM 
session_pgsql.serializable"0"PHP_INI_SYSTEM 
session_pgsql.short_circuit"0"PHP_INI_SYSTEM 
session_pgsql.use_app_vars"0"PHP_INI_SYSTEM 
session_pgsql.vacuum_interval"21600"PHP_INI_SYSTEM 
short_open_tag"1"PHP_INI_PERDIRPHP_INI_ALL in PHP <= 4.0.0.
simple_cvs.authMethod"0"PHP_INI_ALL 
simple_cvs.compressionLevel"0"PHP_INI_ALL 
simple_cvs.cvsRoot"0"PHP_INI_ALL 
simple_cvs.host"0"PHP_INI_ALL 
simple_cvs.moduleName"0"PHP_INI_ALL 
simple_cvs.userName"0"PHP_INI_ALL 
simple_cvs.workingDir"0"PHP_INI_ALL 
SMTP"localhost"PHP_INI_ALL 
smtp_port"25"PHP_INI_ALLAvailable since PHP 4.3.0.
soap.wsdl_cache_dir"/tmp"PHP_INI_ALLAvailable since PHP 5.0.0.
soap.wsdl_cache_enabled"1"PHP_INI_ALLAvailable since PHP 5.0.0.
soap.wsdl_cache_ttl"86400"PHP_INI_ALLAvailable since PHP 5.0.0.
sql.safe_mode"0"PHP_INI_SYSTEM 
sqlite.assoc_case"0"PHP_INI_ALLAvailable since PHP 5.0.0.
sybase.allow_persistent"1"PHP_INI_ALLPHP_INI_ALL in PHP <= 4.0.2. PHP_INI_SYSTEM in PHP <= 4.0.3.
sybase.compatability_mode"0"PHP_INI_ALL 
sybase.interface_file""PHP_INI_ALL 
sybase.max_links"-1"PHP_INI_ALLPHP_INI_ALL in PHP <= 4.0.2. PHP_INI_SYSTEM in PHP <= 4.0.3.
sybase.max_persistent"-1"PHP_INI_ALLPHP_INI_ALL in PHP <= 4.0.2. PHP_INI_SYSTEM in PHP <= 4.0.3.
sybase.min_error_severity"10"PHP_INI_ALL 
sybase.min_message_severity"10"PHP_INI_ALL 
sybct.allow_persistent"1"PHP_INI_SYSTEMPHP_INI_ALL in PHP <= 4.0.2. Available since PHP 4.0.2.
sybct.deadlock_retry_count"0"PHP_INI_ALLAvailable since PHP 4.3.0.
sybct.hostnameNULLPHP_INI_ALLAvailable since PHP 4.0.2.
sybct.login_timeout"-1"PHP_INI_ALLAvailable since PHP 4.0.2.
sybct.max_links"-1"PHP_INI_SYSTEMPHP_INI_ALL in PHP <= 4.0.2. Available since PHP 4.0.2.
sybct.max_persistent"-1"PHP_INI_SYSTEMPHP_INI_ALL in PHP <= 4.0.2. Available since PHP 4.0.2.
sybct.min_client_severity"10"PHP_INI_ALLAvailable since PHP 4.0.2.
sybct.min_server_severity"10"PHP_INI_ALLAvailable since PHP 4.0.2.
sybct.packet_size"0"PHP_INI_ALLAvailable since PHP 4.3.5.
sybct.timeout"0"PHP_INI_ALLAvailable since PHP 4.0.2.
sysvshm.init_mem"10000"PHP_INI_ALL 
tidy.clean_output"0"PHP_INI_PERDIRAvailable since PHP 5.0.0.
tidy.default_config""PHP_INI_SYSTEMAvailable since PHP 5.0.0.
track_errors"0"PHP_INI_ALL 
unicode.fallback_encodingNULLPHP_INI_ALLAvailable since PHP 6.0.0.
unicode.from_error_mode"2"PHP_INI_ALLAvailable since PHP 6.0.0.
unicode.from_error_subst_char"3f"PHP_INI_ALLAvailable since PHP 6.0.0.
unicode.http_input_encodingNULLPHP_INI_ALLAvailable since PHP 6.0.0.
unicode.output_encodingNULLPHP_INI_ALLAvailable since PHP 6.0.0.
unicode.runtime_encodingNULLPHP_INI_ALLAvailable since PHP 6.0.0.
unicode.script_encodingNULLPHP_INI_ALLAvailable since PHP 6.0.0.
unicode_semantics"off"PHP_INI_PERDIRAvailable since PHP 6.0.0.
unserialize_callback_funcNULLPHP_INI_ALLAvailable since PHP 4.2.0.
upload_max_filesize"2M"PHP_INI_PERDIRPHP_INI_ALL in PHP <= 4.2.3.
upload_tmp_dirNULLPHP_INI_SYSTEM 
url_rewriter.tags"a=href,area=href,frame=src,form=,fieldset="PHP_INI_ALLAvailable since PHP 4.0.4.
user_agentNULLPHP_INI_ALLAvailable since PHP 4.3.0.
user_dirNULLPHP_INI_SYSTEM 
valkyrie.auto_validate"0"PHP_INI_ALL 
valkyrie.config_pathNULLPHP_INI_ALL 
variables_order"EGPCS"PHP_INI_PERDIRPHP_INI_ALL in PHP <= 5.0.5.
xbithack"0"PHP_INI_ALLAvailable since PHP 4.0.5.
xmlrpc_errors"0"PHP_INI_SYSTEMAvailable since PHP 4.1.0.
xmlrpc_error_number"0"PHP_INI_ALLAvailable since PHP 4.1.0.
xmms.path"/usr/bin/xmms"PHP_INI_ALL 
xmms.session"0"PHP_INI_ALL 
y2k_compliance"1"PHP_INI_ALL 
yaz.keepalive"120"PHP_INI_ALL 
yaz.log_fileNULLPHP_INI_ALLAvailable since PHP 4.3.0.
yaz.log_maskNULLPHP_INI_ALL 
yaz.max_links"100"PHP_INI_ALLAvailable since PHP 4.3.0.
zend.ze1_compatibility_mode"0"PHP_INI_ALLAvailable since PHP 5.0.0.
zlib.output_compression"0"PHP_INI_ALLAvailable since PHP 4.0.5.
zlib.output_compression_level"-1"PHP_INI_ALLAvailable since PHP 4.3.0.
zlib.output_handler""PHP_INI_ALLAvailable since PHP 4.3.0.

Table G-2. Definition of PHP_INI_* constants

ConstantValueMeaning
PHP_INI_USER1Entry can be set in user scripts or in Windows registry
PHP_INI_PERDIR2Entry can be set in php.ini, .htaccess or httpd.conf
PHP_INI_SYSTEM4Entry can be set in php.ini or httpd.conf
PHP_INI_ALL7Entry can be set anywhere




<Configure optionsDescription of core php.ini directives>
Last updated: Tue, 19 Sep 2006