JavaScript Editor Javascript debugger     Website design 

Appendix I. php.ini directives

List of php.ini directives

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

Table I.1. Configuration options

NameDefaultChangeableChangelog
allow_call_time_pass_reference"1"PHP_INI_PERDIRPHP_INI_ALL in PHP <= 4.0.0. Removed in PHP 6.0.0.
allow_url_fopen"1"PHP_INI_ALLPHP_INI_ALL in PHP <= 4.3.4. PHP_INI_SYSTEM in PHP < 6. Available since PHP 4.0.4.
allow_url_include"0"PHP_INI_ALLPHP_INI_SYSTEM in PHP 5. Available since PHP 5.2.0.
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_ALLPHP_INI_SYSTEM in APC <= 3.0.12. Available since APC 3.0.0.
apc.enabled"1"PHP_INI_SYSTEMPHP_INI_SYSTEM in APC 2. PHP_INI_ALL in APC <= 3.0.12.
apc.enable_cli"0"PHP_INI_SYSTEMAvailable since APC 3.0.7.
apc.file_update_protection"2"PHP_INI_SYSTEMAvailable since APC 3.0.6.
apc.filtersNULLPHP_INI_SYSTEM 
apc.gc_ttl"3600"PHP_INI_SYSTEM 
apc.include_once_override"0"PHP_INI_SYSTEMAvailable since APC 3.0.12.
apc.localcache"0"PHP_INI_SYSTEMAvailable since APC 3.0.14.
apc.localcache.size"512"PHP_INI_SYSTEMAvailable since APC 3.0.14.
apc.max_file_size"1M"PHP_INI_SYSTEMAvailable since APC 3.0.7.
apc.mmap_file_maskNULLPHP_INI_SYSTEM 
apc.num_files_hint"1000"PHP_INI_SYSTEM 
apc.optimization"0"PHP_INI_ALLPHP_INI_SYSTEM in APC 2. Removed in APC 3.0.13.
apc.report_autofilter"0"PHP_INI_SYSTEMAvailable since APC 3.0.11.
apc.rfc1867"0"PHP_INI_SYSTEMAvailable since APC 3.0.13.
apc.rfc1867_freq"0"PHP_INI_SYSTEM 
apc.rfc1867_name"APC_UPLOAD_PROGRESS"PHP_INI_SYSTEM 
apc.rfc1867_prefix"upload_"PHP_INI_SYSTEM 
apc.shm_segments"1"PHP_INI_SYSTEM 
apc.shm_size"30"PHP_INI_SYSTEM 
apc.slam_defense"0"PHP_INI_SYSTEMAvailable since APC 3.0.0.
apc.stat"1"PHP_INI_SYSTEMAvailable since APC 3.0.10.
apc.stat_ctime"0"PHP_INI_SYSTEMAvailable since APC 3.0.13.
apc.ttl"0"PHP_INI_SYSTEMAvailable since APC 3.0.0.
apc.user_entries_hint"4096"PHP_INI_SYSTEMAvailable since APC 3.0.0.
apc.user_ttl"0"PHP_INI_SYSTEMAvailable since APC 3.0.0.
apc.write_lock"1"PHP_INI_SYSTEMAvailable since APC 3.0.11.
apd.bitmask"0"PHP_INI_ALLRemoved in apd 0.9.
apd.dumpdirNULLPHP_INI_ALL 
apd.statement_tracing"0"PHP_INI_ALLAvailable since apd 0.9.
arg_separator"&"PHP_INI_ALLRemoved in PHP 4.0.6.
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 
async_send"0"PHP_INI_ALLAvailable since PHP 4.2.0. Removed in PHP 4.3.0.
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.
axis2.client_home"~/work/axisc/c/deply"PHP_INI_ALL 
axis2.enable_exception"1"PHP_INI_ALL 
axis2.enable_trace"1"PHP_INI_ALL 
axis2.log_path"/tmp"PHP_INI_ALL 
bcmath.scale"0"PHP_INI_ALL 
bcompiler.enabled"1"PHP_INI_ALLAvailable since bcompiler 0.8.
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.check_shebang_line"1"PHP_INI_SYSTEMAvailable since PHP 5.2.1.
cgi.discard_path"0"PHP_INI_SYSTEMAvailable since PHP 5.3.0.
cgi.fix_pathinfo"1"PHP_INI_SYSTEMPHP_INI_ALL in PHP <= 5.2.0. Available since PHP 4.3.0.
cgi.force_redirect"1"PHP_INI_SYSTEMPHP_INI_ALL in PHP <= 5.2.0. Available since PHP 4.2.0.
cgi.nph"0"PHP_INI_ALLAvailable since PHP 4.3.5.
cgi.redirect_status_envNULLPHP_INI_SYSTEMPHP_INI_ALL in PHP <= 5.2.0. Available 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.
coin_acceptor.autoreset"On"PHP_INI_ALLRemoved in coin_acceptor 0.2.
coin_acceptor.auto_initialize"Off"PHP_INI_ALLAvailable since coin_acceptor 0.2.
coin_acceptor.auto_reset"On"PHP_INI_ALLAvailable since coin_acceptor 0.2.
coin_acceptor.command_function"Off"PHP_INI_ALLAvailable since coin_acceptor 0.3.
coin_acceptor.delay"53132"PHP_INI_ALLRemoved in coin_acceptor 0.2.
coin_acceptor.delay_coins"53132"PHP_INI_ALLAvailable since coin_acceptor 0.2.
coin_acceptor.delay_prom"55748"PHP_INI_ALLAvailable since coin_acceptor 0.2.
coin_acceptor.device"/dev/ttyS1"PHP_INI_ALLRemoved in coin_acceptor 0.2.
coin_acceptor.lock_on_close"Off"PHP_INI_ALLAvailable since coin_acceptor 0.2.
coin_acceptor.start_unlocked"On"PHP_INI_ALLAvailable since coin_acceptor 0.2.
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_PERDIRPHP_INI_SYSTEM in crack <= 0.2. Available since PHP 4.0.5. Removed in PHP 5.0.0.
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"90.583333"PHP_INI_ALLAvailable since PHP 5.0.0.
date.sunset_zenith"90.583333"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. Removed in PHP 5.1.0.
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 
detect_unicode"1"PHP_INI_ALLAvailable since PHP 5.1.0. Removed in PHP 6.0.0.
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_SYSTEMRemoved in PHP 6.0.0.
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 
etpan.default.charset"utf-8"PHP_INI_ALL 
etpan.default.protocol"imap"PHP_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_SYSTEMPHP_INI_ALL in PHP <= 5.2.0. Available since PHP 4.3.0.
fastcgi.logging"1"PHP_INI_SYSTEMPHP_INI_ALL in PHP <= 5.2.0. Available since PHP 4.4.0. Removed in PHP 5.0.0.
fbsql.allow_persistant"1"PHP_INI_SYSTEMAvailable since PHP 4.0.6. Removed in PHP 4.2.0.
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_SYSTEMAvailable since PHP 4.2.0. Removed in PHP 5.1.0.
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.
fbsql.mbatchSize"1000"PHP_INI_SYSTEMAvailable since PHP 4.0.6. Removed in PHP 4.2.0.
fbsql.show_timestamp_decimals"0"PHP_INI_SYSTEMAvailable since PHP 5.1.5.
file_uploads"1"PHP_INI_SYSTEMPHP_INI_ALL in PHP <= 4.2.3. Available since PHP 4.0.3.
filter.default"unsafe_raw"PHP_INI_PERDIRPHP_INI_ALL in filter <= 0.9.4. Available since PHP 5.2.0.
filter.default_flagsNULLPHP_INI_PERDIRPHP_INI_ALL in filter <= 0.9.4. Available since PHP 5.2.0.
from""PHP_INI_ALL 
gd.jpeg_ignore_warning"0"PHP_INI_ALLAvailable since PHP 5.1.3.
geoip.custom_directoryNULLPHP_INI_ALLAvailable since geoip 1.0.1.
geoip.database_standard"GeoIP.dat"PHP_INI_ALLRemoved in geoip 1.0.1.
gpc_order"GPC"PHP_INI_ALLRemoved in PHP 5.0.0.
hidef.ini_path(char*)default_ini_pathPHP_INI_SYSTEM 
highlight.bg"#FFFFFF"PHP_INI_ALLRemoved in PHP 6.0.0.
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.
htscanner.config_file".htaccess"PHP_INI_SYSTEM 
htscanner.default_docroot"/"PHP_INI_SYSTEM 
htscanner.default_ttl"300"PHP_INI_SYSTEMAvailable since htscanner 0.6.0.
htscanner.stop_on_error"0"PHP_INI_SYSTEMAvailable since htscanner 0.7.0.
http.allowed_methods""PHP_INI_ALLAvailable since pecl_http 0.4.0. Removed in pecl_http 1.0.0.
http.allowed_methods_log""PHP_INI_ALLAvailable since pecl_http 0.12.0. Removed in pecl_http 1.0.0.
http.cache_log""PHP_INI_ALLAvailable since pecl_http 0.8.0. Removed in pecl_http 1.0.0.
http.composite_log""PHP_INI_ALLAvailable since pecl_http 0.12.0. Removed in pecl_http 1.0.0.
http.etag.mode"MD5"PHP_INI_ALLAvailable since pecl_http 1.0.0.
http.etag_mode"MD5"PHP_INI_ALLAvailable since pecl_http 0.12.0. Removed in pecl_http 1.0.0.
http.force_exit"1"PHP_INI_ALLAvailable since pecl_http 0.18.0.
http.log.allowed_methods""PHP_INI_ALLAvailable since pecl_http 1.0.0.
http.log.cache""PHP_INI_ALLAvailable since pecl_http 1.0.0.
http.log.composite""PHP_INI_ALLAvailable since pecl_http 1.0.0.
http.log.not_found""PHP_INI_ALLAvailable since pecl_http 1.0.0.
http.log.redirect""PHP_INI_ALLAvailable since pecl_http 1.0.0.
http.ob_deflate_auto"0"PHP_INI_PERDIRAvailable since pecl_http 0.21.0. Removed in pecl_http 1.0.0.
http.ob_deflate_flags"0"PHP_INI_ALLAvailable since pecl_http 0.21.0. Removed in pecl_http 1.0.0.
http.ob_inflate_auto"0"PHP_INI_PERDIRAvailable since pecl_http 0.21.0. Removed in pecl_http 1.0.0.
http.ob_inflate_flags"0"PHP_INI_ALLAvailable since pecl_http 0.21.0. Removed in pecl_http 1.0.0.
http.only_exceptions"0"PHP_INI_ALLAvailable since pecl_http 0.11.0.
http.persistent.handles.ident"GLOBAL"PHP_INI_ALLAvailable since pecl_http 1.5.0.
http.persistent.handles.limit"-1"PHP_INI_SYSTEMAvailable since pecl_http 1.5.0.
http.redirect_log""PHP_INI_ALLAvailable since pecl_http 0.12.0. Removed in pecl_http 1.0.0.
http.request.datashare.connect"0"PHP_INI_SYSTEMAvailable since pecl_http 1.3.0.
http.request.datashare.cookie"0"PHP_INI_SYSTEMAvailable since pecl_http 1.3.0.
http.request.datashare.dns"1"PHP_INI_SYSTEMAvailable since pecl_http 1.3.0.
http.request.datashare.ssl"0"PHP_INI_SYSTEMAvailable since pecl_http 1.3.0.
http.request.methods.allowed""PHP_INI_ALLAvailable since pecl_http 1.0.0.
http.request.methods.custom""PHP_INI_PERDIRAvailable since pecl_http 1.0.0.
http.send.deflate.start_auto"0"PHP_INI_PERDIRAvailable since pecl_http 1.0.0.
http.send.deflate.start_flags"0"PHP_INI_ALLAvailable since pecl_http 1.0.0.
http.send.inflate.start_auto"0"PHP_INI_PERDIRAvailable since pecl_http 1.0.0.
http.send.inflate.start_flags"0"PHP_INI_ALLAvailable since pecl_http 1.0.0.
http.send.not_found_404"1"PHP_INI_ALLAvailable since pecl_http 1.0.0.
hyerwave.allow_persistent"0"PHP_INI_SYSTEMRemoved in PHP 4.3.2.
hyperwave.allow_persistent"0"PHP_INI_SYSTEMAvailable since PHP 4.3.2. Removed in PHP 5.0.0.
hyperwave.default_port"418"PHP_INI_ALLRemoved in PHP 5.0.0.
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.i5_allow_commit"0"PHP_INI_SYSTEMAvailable since ibm_db2 1.4.9.
ibm_db2.i5_dbcs_alloc"0"PHP_INI_SYSTEMAvailable since ibm_db2 1.5.0.
ibm_db2.instance_nameNULLPHP_INI_SYSTEMAvailable since ibm_db2 1.0.2.
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_SYSTEMRemoved in PHP 5.2.1.
ifx.blobinfile"1"PHP_INI_ALLRemoved in PHP 5.2.1.
ifx.byteasvarchar"0"PHP_INI_ALLRemoved in PHP 5.2.1.
ifx.charasvarchar"0"PHP_INI_ALLRemoved in PHP 5.2.1.
ifx.default_hostNULLPHP_INI_SYSTEMRemoved in PHP 5.2.1.
ifx.default_passwordNULLPHP_INI_SYSTEMRemoved in PHP 5.2.1.
ifx.default_userNULLPHP_INI_SYSTEMRemoved in PHP 5.2.1.
ifx.max_links"-1"PHP_INI_SYSTEMRemoved in PHP 5.2.1.
ifx.max_persistent"-1"PHP_INI_SYSTEMRemoved in PHP 5.2.1.
ifx.nullformat"0"PHP_INI_ALLRemoved in PHP 5.2.1.
ifx.textasvarchar"0"PHP_INI_ALLRemoved in PHP 5.2.1.
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 
imlib2.font_cache_max_size"524288"PHP_INI_ALL 
imlib2.font_path"/usr/share/php/fonts/"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. Removed in PHP 5.1.0.
ingres.array_index_start"1"PHP_INI_ALLAvailable since ingres 1.4.0.
ingres.blob_segment_length"4096"PHP_INI_ALLAvailable since ingres 1.2.0.
ingres.cursor_mode"0"PHP_INI_ALLAvailable since ingres 1.1.
ingres.default_databaseNULLPHP_INI_ALLAvailable since PHP 4.0.2. Removed in PHP 5.1.0.
ingres.default_passwordNULLPHP_INI_ALLAvailable since PHP 4.0.2. Removed in PHP 5.1.0.
ingres.default_userNULLPHP_INI_ALLAvailable since PHP 4.0.2. Removed in PHP 5.1.0.
ingres.max_links"-1"PHP_INI_SYSTEMAvailable since PHP 4.0.2. Removed in PHP 5.1.0.
ingres.max_persistent"-1"PHP_INI_SYSTEMAvailable since PHP 4.0.2. Removed in PHP 5.1.0.
ingres.report_db_warnings"1"PHP_INI_ALLAvailable since ingres 1.1.
ingres.timeout"-1"PHP_INI_ALLAvailable since ingres 1.4.0.
ingres.trace_connect"0"PHP_INI_ALLAvailable since ingres 1.2.1.
ircg.control_user"nobody"PHP_INI_ALLAvailable since PHP 5.0.0. Removed in PHP 5.1.0.
ircg.keep_alive_interval"60"PHP_INI_ALLAvailable since PHP 5.0.0. Removed in PHP 5.1.0.
ircg.max_format_message_sets"12"PHP_INI_ALLAvailable since PHP 5.0.0. Removed in PHP 5.1.0.
ircg.shared_mem_size"6000000"PHP_INI_ALLAvailable since PHP 5.0.0. Removed in PHP 5.1.0.
ircg.work_dir"/tmp/ircg"PHP_INI_ALLAvailable since PHP 5.0.0. Removed in PHP 5.1.0.
last_modified"0"PHP_INI_ALLAvailable since PHP 4.0.5.
ldap.base_dnNULLPHP_INI_ALLRemoved in PHP 4.2.0.
ldap.max_links"-1"PHP_INI_SYSTEM 
log.dbm_dir""PHP_INI_ALLRemoved in PHP 4.0.1.
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. Removed in PHP 6.0.0.
magic_quotes_runtime"0"PHP_INI_ALLRemoved in PHP 6.0.0.
magic_quotes_sybase"0"PHP_INI_ALLRemoved in PHP 6.0.0.
mail.force_extra_parametersNULLphp.ini onlyAvailable since PHP 5.0.0.
mailparse.def_charset"us-ascii"PHP_INI_ALLAvailable since PHP 4.1.0. Removed in PHP 4.2.0.
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_nesting_level"64"PHP_INI_PERDIRAvailable since PHP 4.4.8. Removed in PHP 5.0.0.
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.
memcache.allow_failover"1"PHP_INI_ALLAvailable since memcache 2.0.2.
memcache.chunk_size"8192"PHP_INI_ALLAvailable since memcache 2.0.2.
memcache.default_port"11211"PHP_INI_ALLAvailable since memcache 2.0.2.
memcache.hash_function"crc32"PHP_INI_ALLAvailable since memcache 2.2.0.
memcache.hash_strategy"standard"PHP_INI_ALLAvailable since memcache 2.2.0.
memcache.max_failover_attempts"20"PHP_INI_ALLAvailable since memcache 2.1.0.
memory_limit"128M"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_local_infile"1"PHP_INI_SYSTEMAvailable since PHP 6.0.0.
mysql.allow_persistent"1"PHP_INI_SYSTEM 
mysql.cache_size"2000"PHP_INI_SYSTEMAvailable since PHP 6.0.0.
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.allow_local_infile"1"PHP_INI_SYSTEMAvailable since PHP 6.0.0.
mysqli.cache_size"2000"PHP_INI_SYSTEMAvailable since PHP 6.0.0.
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.
mysqlnd.collect_statistics"1"PHP_INI_SYSTEMAvailable since PHP 6.0.0.
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 
odbtp.datetime_format"object"PHP_INI_ALL 
odbtp.detach_default_queries"0"PHP_INI_ALL 
odbtp.guid_format"string"PHP_INI_ALLAvailable since odbtp 1.1.3.
odbtp.interface_file"/usr/local/share/odbtp.conf"PHP_INI_ALL 
odbtp.truncation_errors"1"PHP_INI_ALL 
opendirectory.default_separator"/"PHP_INI_ALLRemoved in opendirectory 0.2.2.
opendirectory.max_refs"-1"PHP_INI_ALL 
opendirectory.separator"/"PHP_INI_ALLAvailable since opendirectory 0.2.2.
open_basedirNULLPHP_INI_ALLPHP_INI_SYSTEM in PHP < 6.
oracle.allow_persistent"-1"PHP_INI_ALLRemoved in PHP 5.1.0.
oracle.max_links"-1"PHP_INI_ALLRemoved in PHP 5.1.0.
oracle.max_persistent"-1"PHP_INI_ALLRemoved in PHP 5.1.0.
output_buffering"0"PHP_INI_PERDIR 
output_handlerNULLPHP_INI_PERDIRAvailable since PHP 4.0.4.
pam.servicename"php"PHP_INI_ALL 
pcre.backtrack_limit"100000"PHP_INI_ALLAvailable since PHP 5.2.0.
pcre.recursion_limit"100000"PHP_INI_ALLAvailable since PHP 5.2.0.
pdo_odbc.connection_pooling"strict"PHP_INI_ALLAvailable since PHP 5.1.0.
pdo_odbc.db2_instance_nameNULLPHP_INI_SYSTEMAvailable since PHP 5.1.1. Removed in PHP 6.0.0.
pfpro.defaulthost"test-payflow.verisign.com"PHP_INI_ALLAvailable since PHP 4.0.2. Removed in PHP 5.1.0.
pfpro.defaultport"443"PHP_INI_ALLAvailable since PHP 4.0.2. Removed in PHP 5.1.0.
pfpro.defaulttimeout"30"PHP_INI_ALLAvailable since PHP 4.0.2. Removed in PHP 5.1.0.
pfpro.proxyaddress""PHP_INI_ALLAvailable since PHP 4.0.2. Removed in PHP 5.1.0.
pfpro.proxylogon""PHP_INI_ALLAvailable since PHP 4.0.2. Removed in PHP 5.1.0.
pfpro.proxypassword""PHP_INI_ALLAvailable since PHP 4.0.2. Removed in PHP 5.1.0.
pfpro.proxyport""PHP_INI_ALLAvailable since PHP 4.0.2. Removed in PHP 5.1.0.
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 
phar.extract_list""PHP_INI_ALLAvailable since phar 1.1.0.
phar.readonly"1"PHP_INI_ALL 
phar.require_hash"1"PHP_INI_ALL 
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_ALLAvailable since PHP 4.0.6. Removed in PHP 4.1.1.
python.append_path""PHP_INI_ALL 
python.prepend_path"."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. Removed in PHP 6.0.0.
register_long_arrays"1"PHP_INI_PERDIRAvailable since PHP 5.0.0. Removed in PHP 6.0.0.
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_SYSTEMRemoved in PHP 6.0.0.
safe_mode_allowed_env_vars"PHP_"PHP_INI_SYSTEMRemoved in PHP 6.0.0.
safe_mode_exec_dir""PHP_INI_SYSTEMRemoved in PHP 6.0.0.
safe_mode_gid"0"PHP_INI_SYSTEMAvailable since PHP 4.1.0. Removed in PHP 6.0.0.
safe_mode_include_dirNULLPHP_INI_SYSTEMAvailable since PHP 4.1.0. Removed in PHP 6.0.0.
safe_mode_protected_env_vars"LD_LIBRARY_PATH"PHP_INI_SYSTEMRemoved in PHP 6.0.0.
sendmail_fromNULLPHP_INI_ALL 
sendmail_path"/usr/sbin/sendmail -t -i"PHP_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. Removed in PHP 6.0.0.
session.bug_compat_warn"1"PHP_INI_ALLAvailable since PHP 4.3.0. Removed in PHP 6.0.0.
session.cache_expire"180"PHP_INI_ALL 
session.cache_limiter"nocache"PHP_INI_ALL 
session.cookie_domain""PHP_INI_ALL 
session.cookie_httponly""PHP_INI_ALLAvailable since PHP 5.2.0.
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_dividend"100"PHP_INI_ALLAvailable since PHP 4.3.0. Removed in PHP 4.3.2.
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"1"PHP_INI_ALLAvailable since PHP 5.1.5.
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_limit"5"PHP_INI_ALLAvailable since PHP 5.1.5.
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.
sqlite.iso8859.locale"1"PHP_INI_ALLAvailable since PHP 6.0.0.
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.hostnameNULLPHP_INI_ALLRemoved in PHP 4.0.2.
sybase.interface_file""PHP_INI_ALL 
sybase.login_timeout"0"PHP_INI_ALLRemoved in PHP 4.0.2.
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_client_severity"10"PHP_INI_ALLRemoved in PHP 4.0.2.
sybase.min_error_severity"10"PHP_INI_ALL 
sybase.min_message_severity"10"PHP_INI_ALL 
sybase.min_server_severity"10"PHP_INI_ALLRemoved in PHP 4.0.2.
sybase.timeout"0"PHP_INI_ALLRemoved in PHP 4.0.2.
sybct.allow_persistent"1"PHP_INI_SYSTEMPHP_INI_ALL in PHP <= 4.0.2. Available since PHP 4.0.2. Removed in PHP 4.0.3.
sybct.deadlock_retry_count"0"PHP_INI_ALLAvailable since PHP 4.3.0.
sybct.hostnameNULLPHP_INI_ALLAvailable since PHP 4.0.2. Removed in PHP 4.0.3.
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. Removed in PHP 4.0.3.
sybct.max_persistent"-1"PHP_INI_SYSTEMPHP_INI_ALL in PHP <= 4.0.2. Available since PHP 4.0.2. Removed in PHP 4.0.3.
sybct.min_client_severity"10"PHP_INI_ALLAvailable since PHP 4.0.2. Removed in PHP 4.0.3.
sybct.min_server_severity"10"PHP_INI_ALLAvailable since PHP 4.0.2. Removed in PHP 4.0.3.
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_USERPHP_INI_PERDIR in PHP 5. Available since PHP 5.0.0.
tidy.default_config""PHP_INI_SYSTEMAvailable since PHP 5.0.0.
track_errors"0"PHP_INI_ALL 
track_vars"1"PHP_INI_ALLRemoved in PHP 4.0.3.
unicode.fallback_encodingNULLPHP_INI_ALLAvailable since PHP 6.0.0.
unicode.filesystem_encodingNULLPHP_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"0"PHP_INI_SYSTEMAvailable since PHP 6.0.0.
unicode.stream_encoding"UTF-8"PHP_INI_ALLAvailable since PHP 6.0.0.
unserialize_callback_funcNULLPHP_INI_ALLAvailable since PHP 4.2.0.
uploadprogress.file.filename_template"/tmp/upt_%s.txt"PHP_INI_ALL 
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 
user_ini.cache_ttl"300"PHP_INI_SYSTEMAvailable since PHP 5.3.0.
user_ini.filename".user.ini"PHP_INI_SYSTEMAvailable since PHP 5.3.0.
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.
velocis.max_links"-1"PHP_INI_ALLRemoved in PHP 4.2.0.
vld.active"0"PHP_INI_SYSTEM 
vld.execute"1"PHP_INI_SYSTEMAvailable since vld 0.8.0.
vld.skip_append"0"PHP_INI_SYSTEMAvailable since vld 0.8.0.
vld.skip_prepend"0"PHP_INI_SYSTEMAvailable since vld 0.8.0.
xbithack"0"PHP_INI_ALLAvailable since PHP 4.0.5.
xdebug.auto_profile"0"PHP_INI_ALLRemoved in Xdebug 2.0.0.
xdebug.auto_profile_mode"0"PHP_INI_ALLRemoved in Xdebug 2.0.0.
xdebug.auto_trace"0"PHP_INI_ALL 
xdebug.collect_includes"1"PHP_INI_ALLAvailable since Xdebug 2.0.0.
xdebug.collect_params"0"PHP_INI_ALL 
xdebug.collect_return"0"PHP_INI_ALLAvailable since Xdebug 2.0.0.
xdebug.collect_vars"0"PHP_INI_ALLAvailable since Xdebug 2.0.0.
xdebug.default_enable"1"PHP_INI_ALLPHP_INI_SYSTEM in Xdebug 1.
xdebug.dump.COOKIENULLPHP_INI_ALL 
xdebug.dump.ENVNULLPHP_INI_ALL 
xdebug.dump.FILESNULLPHP_INI_ALL 
xdebug.dump.GETNULLPHP_INI_ALL 
xdebug.dump.POSTNULLPHP_INI_ALL 
xdebug.dump.REQUESTNULLPHP_INI_ALL 
xdebug.dump.SERVERNULLPHP_INI_ALL 
xdebug.dump.SESSIONNULLPHP_INI_ALL 
xdebug.dump_globals"1"PHP_INI_ALLAvailable since Xdebug 2.0.0.
xdebug.dump_once"1"PHP_INI_ALL 
xdebug.dump_undefined"0"PHP_INI_ALL 
xdebug.extended_info"1"PHP_INI_SYSTEMAvailable since Xdebug 2.0.0.
xdebug.idekey""PHP_INI_ALLAvailable since Xdebug 2.0.0.
xdebug.manual_url"http://www.php.net"PHP_INI_ALL 
xdebug.max_nesting_level"100"PHP_INI_ALL 
xdebug.output_dir"/tmp"PHP_INI_PERDIRPHP_INI_SYSTEM in Xdebug <= 1.2.0. Removed in Xdebug 2.0.0.
xdebug.profiler_aggregate"0"PHP_INI_PERDIRAvailable since Xdebug 2.0.0.
xdebug.profiler_append"0"PHP_INI_PERDIRAvailable since Xdebug 2.0.0.
xdebug.profiler_enable"0"PHP_INI_PERDIRAvailable since Xdebug 2.0.0.
xdebug.profiler_enable_trigger"0"PHP_INI_PERDIRAvailable since Xdebug 2.0.0.
xdebug.profiler_output_dir"/tmp"PHP_INI_PERDIRAvailable since Xdebug 2.0.0.
xdebug.profiler_output_name"cachegrind.out.%p"PHP_INI_PERDIRAvailable since Xdebug 2.0.0.
xdebug.remote_autostart"0"PHP_INI_ALLAvailable since Xdebug 2.0.0.
xdebug.remote_enable"0"PHP_INI_PERDIR 
xdebug.remote_handler"dbgp"PHP_INI_ALL 
xdebug.remote_host"localhost"PHP_INI_ALL 
xdebug.remote_log""PHP_INI_ALLAvailable since Xdebug 2.0.0.
xdebug.remote_mode"req"PHP_INI_ALL 
xdebug.remote_port"9000"PHP_INI_ALL 
xdebug.show_exception_trace"0"PHP_INI_ALLAvailable since Xdebug 2.0.0.
xdebug.show_local_vars"0"PHP_INI_ALLAvailable since Xdebug 2.0.0.
xdebug.show_mem_delta"0"PHP_INI_ALLAvailable since Xdebug 2.0.0.
xdebug.trace_format"0"PHP_INI_ALLAvailable since Xdebug 2.0.0.
xdebug.trace_options"0"PHP_INI_ALLAvailable since Xdebug 2.0.0.
xdebug.trace_output_dir"/tmp"PHP_INI_ALLAvailable since Xdebug 2.0.0.
xdebug.trace_output_name"trace.%c"PHP_INI_ALLAvailable since Xdebug 2.0.0.
xdebug.var_display_max_children"128"PHP_INI_ALLAvailable since Xdebug 2.0.0.
xdebug.var_display_max_data"512"PHP_INI_ALLAvailable since Xdebug 2.0.0.
xdebug.var_display_max_depth"3"PHP_INI_ALLAvailable since Xdebug 2.0.0.
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 
yami.response.timeout"5"PHP_INI_ALLAvailable since yami 1.0.1.
yaz.keepalive"120"PHP_INI_ALL 
yaz.log_fileNULLPHP_INI_ALLAvailable since PHP 4.3.0. Removed in PHP 5.0.0.
yaz.log_maskNULLPHP_INI_ALLAvailable since yaz 1.0.3.
yaz.max_links"100"PHP_INI_ALLAvailable since PHP 4.3.0. Removed in PHP 5.0.0.
zend.ze1_compatibility_mode"0"PHP_INI_ALLAvailable since PHP 5.0.0. Removed in PHP 6.0.0.
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 I.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