## List of php.ini directives

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

The "Changeable" column shows the modes determining when and where a directive may be set. See the Changeable mode values section for their definitions.

Configuration options
Name | Default | Changeable | Changelog
--- | --- | --- | ---
allow_call_time_pass_reference | "1" | PHP_INI_PERDIR | Removed in PHP 5.4.0.
allow_url_fopen | "1" | PHP_INI_SYSTEM |
allow_url_include | "0" | PHP_INI_SYSTEM | Available since PHP 5.2.0. Deprecated as of PHP 7.4.0.
always_populate_raw_post_data | "0" | PHP_INI_PERDIR |
arg_separator.input | "&" | PHP_INI_PERDIR |
arg_separator.output | "&" | PHP_INI_ALL |
asp_tags | "0" | PHP_INI_PERDIR | Removed in PHP 7.0.0.
assert.active | "1" | PHP_INI_ALL |
assert.bail | "0" | PHP_INI_ALL |
assert.callback | NULL | PHP_INI_ALL |
assert.exception | "0" | PHP_INI_ALL | Available since PHP 7.0.0.
assert.quiet_eval | "0" | PHP_INI_ALL |
assert.warning | "1" | PHP_INI_ALL |
auto_append_file | NULL | PHP_INI_PERDIR |
auto_detect_line_endings | "0" | PHP_INI_ALL |
auto_globals_jit | "1" | PHP_INI_PERDIR |
auto_prepend_file | NULL | PHP_INI_PERDIR |
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_ALL | Available since bcompiler 0.8.
blenc.key_file | "/usr/local/etc/blenckeys" | PHP_INI_ALL |
browscap | NULL | PHP_INI_SYSTEM |
cgi.check_shebang_line | "1" | PHP_INI_SYSTEM | Available since PHP 5.2.1.
cgi.discard_path | "0" | PHP_INI_SYSTEM | Available since PHP 5.3.0.
cgi.fix_pathinfo | "1" | PHP_INI_SYSTEM | PHP_INI_ALL in PHP <= 5.2.0.
cgi.force_redirect | "1" | PHP_INI_SYSTEM | PHP_INI_ALL in PHP <= 5.2.0.
cgi.nph | "0" | PHP_INI_ALL |
cgi.redirect_status_env | NULL | PHP_INI_SYSTEM | PHP_INI_ALL in PHP <= 5.2.0.
cgi.rfc2616_headers | "0" | PHP_INI_ALL |
child_terminate | "0" | PHP_INI_ALL |
cli.pager | "" | PHP_INI_ALL | Available since PHP 5.4.0.
cli.prompt | "\\b \\> " | PHP_INI_ALL | Available since PHP 5.4.0.
cli_server.color | "0" | PHP_INI_ALL | Available since PHP 5.4.0.
coin_acceptor.autoreset | "On" | PHP_INI_ALL | Removed in coin_acceptor 0.2.
coin_acceptor.auto_initialize | "Off" | PHP_INI_ALL | Available since coin_acceptor 0.2.
coin_acceptor.auto_reset | "On" | PHP_INI_ALL | Available since coin_acceptor 0.2.
coin_acceptor.command_function | "Off" | PHP_INI_ALL | Available since coin_acceptor 0.3.
coin_acceptor.delay | "53132" | PHP_INI_ALL | Removed in coin_acceptor 0.2.
coin_acceptor.delay_coins | "53132" | PHP_INI_ALL | Available since coin_acceptor 0.2.
coin_acceptor.delay_prom | "55748" | PHP_INI_ALL | Available since coin_acceptor 0.2.
coin_acceptor.device | "/dev/ttyS1" | PHP_INI_ALL | Removed in coin_acceptor 0.2.
coin_acceptor.lock_on_close | "Off" | PHP_INI_ALL | Available since coin_acceptor 0.2.
coin_acceptor.start_unlocked | "On" | PHP_INI_ALL | Available since coin_acceptor 0.2.
com.allow_dcom | "0" | PHP_INI_SYSTEM |
com.autoregister_casesensitive | "1" | PHP_INI_ALL |
com.autoregister_typelib | "0" | PHP_INI_ALL |
com.autoregister_verbose | "0" | PHP_INI_ALL |
com.code_page | "" | PHP_INI_ALL |
com.typelib_file | "" | PHP_INI_SYSTEM |
curl.cainfo | NULL | PHP_INI_SYSTEM | Available since PHP 5.3.7.
daffodildb.default_host | "localhost" | PHP_INI_ALL |
daffodildb.default_password | "daffodil" | PHP_INI_ALL |
daffodildb.default_socket | NULL | PHP_INI_ALL |
daffodildb.default_user | "DAFFODIL" | PHP_INI_ALL |
daffodildb.port | "3456" | PHP_INI_ALL |
date.default_latitude | "31.7667" | PHP_INI_ALL |
date.default_longitude | "35.2333" | PHP_INI_ALL |
date.sunrise_zenith | "90.583333" | PHP_INI_ALL |
date.sunset_zenith | "90.583333" | PHP_INI_ALL |
date.timezone | "" | PHP_INI_ALL | Available since PHP 5.1.0.
dba.default_handler | "" | PHP_INI_ALL |
dbx.colnames_case | "unchanged" | PHP_INI_SYSTEM | Removed in PHP 5.1.0.
default_charset | "UTF-8" | PHP_INI_ALL | Default to "UTF-8" since PHP >= 5.6.0, empty for PHP < 5.6.0.
default_mimetype | "text/html" | PHP_INI_ALL |
default_socket_timeout | "60" | PHP_INI_ALL |
define_syslog_variables | "0" | PHP_INI_ALL | Removed in PHP 5.4.0.
detect_unicode | "1" | PHP_INI_ALL | Available since PHP 5.1.0. Renamed to zend.detect_unicode since PHP 5.4.0.
disable_classes | "" | php.ini only |
disable_functions | "" | php.ini only |
display_errors | "1" | PHP_INI_ALL |
display_startup_errors | "0" | PHP_INI_ALL |
docref_ext | "" | PHP_INI_ALL |
docref_root | "" | PHP_INI_ALL |
doc_root | NULL | PHP_INI_SYSTEM |
enable_dl | "1" | PHP_INI_SYSTEM | This deprecated feature will certainly be removed in the future.
enable_post_data_reading | On | PHP_INI_PERDIR | Available since PHP 5.4.0.
engine | "1" | PHP_INI_ALL |
error_append_string | NULL | PHP_INI_ALL |
error_log | NULL | PHP_INI_ALL |
error_prepend_string | NULL | PHP_INI_ALL |
error_reporting | NULL | PHP_INI_ALL |
exif.decode_jis_intel | "JIS" | PHP_INI_ALL |
exif.decode_jis_motorola | "JIS" | PHP_INI_ALL |
exif.decode_unicode_intel | "UCS-2LE" | PHP_INI_ALL |
exif.decode_unicode_motorola | "UCS-2BE" | PHP_INI_ALL |
exif.encode_jis | "" | PHP_INI_ALL |
exif.encode_unicode | "ISO-8859-15" | PHP_INI_ALL |
exit_on_timeout | "" | PHP_INI_ALL | Available since PHP 5.3.0
expect.logfile | "" | PHP_INI_ALL |
expect.loguser | "1" | PHP_INI_ALL |
expect.timeout | "10" | PHP_INI_ALL |
expose_php | "1" | php.ini only |
extension | NULL | php.ini only |
extension_dir | "/path/to/php" | PHP_INI_SYSTEM |
fastcgi.impersonate | "0" | PHP_INI_SYSTEM | PHP_INI_ALL in PHP <= 5.2.0.
fastcgi.logging | "1" | PHP_INI_SYSTEM | PHP_INI_ALL in PHP <= 5.2.0.
fbsql.allow_persistent | "1" | PHP_INI_SYSTEM |
fbsql.autocommit | "1" | PHP_INI_SYSTEM |
fbsql.batchSize | "1000" | PHP_INI_SYSTEM | Removed in PHP 5.1.0.
fbsql.batchsize | "1000" | PHP_INI_ALL | Available since PHP 5.1.0.
fbsql.default_database | "" | PHP_INI_SYSTEM |
fbsql.default_database_password | "" | PHP_INI_SYSTEM |
fbsql.default_host | NULL | PHP_INI_SYSTEM |
fbsql.default_password | "" | PHP_INI_SYSTEM |
fbsql.default_user | "_SYSTEM" | PHP_INI_SYSTEM |
fbsql.generate_warnings | "0" | PHP_INI_SYSTEM |
fbsql.max_connections | "128" | PHP_INI_SYSTEM |
fbsql.max_links | "128" | PHP_INI_SYSTEM |
fbsql.max_persistent | "-1" | PHP_INI_SYSTEM |
fbsql.max_results | "128" | PHP_INI_SYSTEM |
fbsql.show_timestamp_decimals | "0" | PHP_INI_SYSTEM | Available since PHP 5.1.5.
file_uploads | "1" | PHP_INI_SYSTEM |
filter.default | "unsafe_raw" | PHP_INI_PERDIR | PHP_INI_ALL in filter <= 0.9.4. Available since PHP 5.2.0.
filter.default_flags | NULL | PHP_INI_PERDIR | PHP_INI_ALL in filter <= 0.9.4. Available since PHP 5.2.0.
from | "" | PHP_INI_ALL |
gd.jpeg_ignore_warning | "1" | PHP_INI_ALL | Available since PHP 5.1.3.
geoip.custom_directory | NULL | PHP_INI_ALL | Available since geoip 1.0.1.
geoip.database_standard | "GeoIP.dat" | PHP_INI_ALL | Removed in geoip 1.0.1.
hard_timeout | "2" | PHP_INI_SYSTEM | Available since PHP 7.1.0.
hidef.ini_path | (char*)default_ini_path | PHP_INI_SYSTEM |
highlight.bg | "#FFFFFF" | PHP_INI_ALL | Removed in PHP 5.4.0.
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_ALL |
http.allowed_methods | "" | PHP_INI_ALL | Available since pecl_http 0.4.0. Removed in pecl_http 1.0.0.
http.allowed_methods_log | "" | PHP_INI_ALL | Available since pecl_http 0.12.0. Removed in pecl_http 1.0.0.
http.cache_log | "" | PHP_INI_ALL | Available since pecl_http 0.8.0. Removed in pecl_http 1.0.0.
http.composite_log | "" | PHP_INI_ALL | Available since pecl_http 0.12.0. Removed in pecl_http 1.0.0.
http.etag.mode | "MD5" | PHP_INI_ALL | Available since pecl_http 1.0.0.
http.etag_mode | "MD5" | PHP_INI_ALL | Available since pecl_http 0.12.0. Removed in pecl_http 1.0.0.
http.force_exit | "1" | PHP_INI_ALL | Available since pecl_http 0.18.0.
http.log.allowed_methods | "" | PHP_INI_ALL | Available since pecl_http 1.0.0.
http.log.cache | "" | PHP_INI_ALL | Available since pecl_http 1.0.0.
http.log.composite | "" | PHP_INI_ALL | Available since pecl_http 1.0.0.
http.log.not_found | "" | PHP_INI_ALL | Available since pecl_http 1.0.0.
http.log.redirect | "" | PHP_INI_ALL | Available since pecl_http 1.0.0.
http.ob_deflate_auto | "0" | PHP_INI_PERDIR | Available since pecl_http 0.21.0. Removed in pecl_http 1.0.0.
http.ob_deflate_flags | "0" | PHP_INI_ALL | Available since pecl_http 0.21.0. Removed in pecl_http 1.0.0.
http.ob_inflate_auto | "0" | PHP_INI_PERDIR | Available since pecl_http 0.21.0. Removed in pecl_http 1.0.0.
http.ob_inflate_flags | "0" | PHP_INI_ALL | Available since pecl_http 0.21.0. Removed in pecl_http 1.0.0.
http.only_exceptions | "0" | PHP_INI_ALL | Available since pecl_http 0.11.0.
http.persistent.handles.ident | "GLOBAL" | PHP_INI_ALL | Available since pecl_http 1.5.0.
http.persistent.handles.limit | "-1" | PHP_INI_SYSTEM | Available since pecl_http 1.5.0.
http.redirect_log | "" | PHP_INI_ALL | Available since pecl_http 0.12.0. Removed in pecl_http 1.0.0.
http.request.datashare.connect | "0" | PHP_INI_SYSTEM | Available since pecl_http 1.3.0.
http.request.datashare.cookie | "0" | PHP_INI_SYSTEM | Available since pecl_http 1.3.0.
http.request.datashare.dns | "1" | PHP_INI_SYSTEM | Available since pecl_http 1.3.0.
http.request.datashare.ssl | "0" | PHP_INI_SYSTEM | Available since pecl_http 1.3.0.
http.request.methods.allowed | "" | PHP_INI_ALL | Available since pecl_http 1.0.0.
http.request.methods.custom | "" | PHP_INI_PERDIR | Available since pecl_http 1.0.0.
http.send.deflate.start_auto | "0" | PHP_INI_PERDIR | Available since pecl_http 1.0.0.
http.send.deflate.start_flags | "0" | PHP_INI_ALL | Available since pecl_http 1.0.0.
http.send.inflate.start_auto | "0" | PHP_INI_PERDIR | Available since pecl_http 1.0.0.
http.send.inflate.start_flags | "0" | PHP_INI_ALL | Available since pecl_http 1.0.0.
http.send.not_found_404 | "1" | PHP_INI_ALL | Available since pecl_http 1.0.0.
ibase.allow_persistent | "1" | PHP_INI_SYSTEM |
ibase.dateformat | "%Y-%m-%d" | PHP_INI_ALL |
ibase.default_charset | NULL | PHP_INI_ALL |
ibase.default_db | NULL | PHP_INI_SYSTEM |
ibase.default_password | NULL | PHP_INI_ALL |
ibase.default_user | NULL | PHP_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_all_pconnect | "0" | PHP_INI_SYSTEM | Available since ibm_db2 1.6.5.
ibm_db2.i5_allow_commit | "0" | PHP_INI_SYSTEM | Available since ibm_db2 1.4.9.
ibm_db2.i5_dbcs_alloc | "0" | PHP_INI_SYSTEM | Available since ibm_db2 1.5.0.
ibm_db2.instance_name | NULL | PHP_INI_SYSTEM | Available since ibm_db2 1.0.2.
ibm_db2.i5_ignore_userid | "0" | PHP_INI_SYSTEM | Available since ibm_db2 1.8.0.
iconv.input_encoding | "ISO-8859-1" | PHP_INI_ALL |
iconv.internal_encoding | "ISO-8859-1" | PHP_INI_ALL |
iconv.output_encoding | "ISO-8859-1" | PHP_INI_ALL |
ignore_repeated_errors | "0" | PHP_INI_ALL |
ignore_repeated_source | "0" | PHP_INI_ALL |
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_ALL |
include_path | ".:/path/to/php/pear" | PHP_INI_ALL |
intl.default_locale | "" | PHP_INI_ALL | Available since PHP 5.3.0.
intl.error_level | "0" | PHP_INI_ALL | Available since PHP 5.3.0.
intl.use_exceptions | "0" | PHP_INI_ALL | Available since PHP 5.5.0.
ingres.allow_persistent | "1" | PHP_INI_SYSTEM | Available since ingres 1.0.0
ingres.array_index_start | "1" | PHP_INI_ALL | Available since ingres 1.4.0.
ingres.auto | "1" | PHP_INI_ALL | Available since ingres 2.0.0.
ingres.blob_segment_length | "4096" | PHP_INI_ALL | Available since ingres 1.2.0.
ingres.cursor_mode | "0" | PHP_INI_ALL | Available since ingres 1.1.0.
ingres.default_database | NULL | PHP_INI_ALL | Available since ingres 1.0.0
ingres.default_password | NULL | PHP_INI_ALL | Available since ingres 1.0.0
ingres.default_user | NULL | PHP_INI_ALL | Available since ingres 1.0.0
ingres.describe | 1 | PHP_INI_ALL | Available since ingres 2.1.0
ingres.fetch_buffer_size | 100 | PHP_INI_ALL | Available since ingres 2.1.0
ingres.max_links | "-1" | PHP_INI_SYSTEM | Available since ingres 1.0.0
ingres.max_persistent | "-1" | PHP_INI_SYSTEM | Available since ingres 1.0.0
ingres.reuse_connection | "1" | PHP_INI_ALL | Available since ingres 2.0.0
ingres.scrollable | "1" | PHP_INI_ALL | Available since ingres 2.0.0.
ingres.trace | "0" | PHP_INI_ALL | Available since ingres 2.0.0.
ingres.trace_connect | "0" | PHP_INI_ALL | Available since ingres 1.2.1.
ingres.utf8 | "1" | PHP_INI_ALL | Available since ingres 2.0.0.
last_modified | "0" | PHP_INI_ALL |
ldap.max_links | "-1" | PHP_INI_SYSTEM |
log_errors | "0" | PHP_INI_ALL |
log_errors_max_len | "1024" | PHP_INI_ALL |
magic_quotes_gpc | "1" | PHP_INI_PERDIR | Deprecated in PHP 5.3.0. Removed in PHP 5.4.0.
magic_quotes_runtime | "0" | PHP_INI_ALL | Removed in PHP 5.4.0.
mail.add_x_header | "0" | PHP_INI_PERDIR | Available since PHP 5.3.0.
mail.force_extra_parameters | NULL | php.ini only |
mail.log | "" | PHP_INI_PERDIR | Available since PHP 5.3.0 (PHP_INI_SYSTEM|PHP_INI_PERDIR)
max_execution_time | "30" | PHP_INI_ALL |
max_input_nesting_level | "64" | PHP_INI_PERDIR | Available since PHP 5.2.3.
max_input_vars | 1000 | PHP_INI_PERDIR | Available since PHP 5.3.9.
max_input_time | "-1" | PHP_INI_PERDIR |
mbstring.detect_order | NULL | PHP_INI_ALL |
mbstring.encoding_translation | "0" | PHP_INI_PERDIR |
mbstring.func_overload | "0" | PHP_INI_SYSTEM | PHP_INI_SYSTEM | PHP_INI_PERDIR PHP <= 5.2.6
mbstring.http_input | "pass" | PHP_INI_ALL |
mbstring.http_output | "pass" | PHP_INI_ALL |
mbstring.internal_encoding | NULL | PHP_INI_ALL |
mbstring.language | "neutral" | PHP_INI_ALL | PHP_INI_PERDIR in PHP <= 5.2.6
mbstring.script_encoding | NULL | PHP_INI_ALL | Removed in PHP 5.4.0. Use zend.script_encoding instead.
mbstring.http_output_conv_mimetypes | "^(text/|application/xhtml\+xml)" | PHP_INI_ALL | Available since PHP 5.3.0.
mbstring.strict_detection | "0" | PHP_INI_ALL | Available since PHP 5.1.2.
mbstring.substitute_character | NULL | PHP_INI_ALL |
mcrypt.algorithms_dir | NULL | PHP_INI_ALL |
mcrypt.modes_dir | NULL | PHP_INI_ALL |
memcache.allow_failover | "1" | PHP_INI_ALL | Available since memcache 2.0.2.
memcache.chunk_size | "8192" | PHP_INI_ALL | Available since memcache 2.0.2.
memcache.default_port | "11211" | PHP_INI_ALL | Available since memcache 2.0.2.
memcache.hash_function | "crc32" | PHP_INI_ALL | Available since memcache 2.2.0.
memcache.hash_strategy | "standard" | PHP_INI_ALL | Available since memcache 2.2.0.
memcache.max_failover_attempts | "20" | PHP_INI_ALL | Available since memcache 2.1.0.
memory_limit | "128M" | PHP_INI_ALL |
mime_magic.debug | "0" | PHP_INI_SYSTEM |
mime_magic.magicfile | "/path/to/php/magic.mime" | PHP_INI_SYSTEM |
mongo.allow_empty_keys | 0 | PHP_INI_ALL |
mongo.allow_persistent | 1 | PHP_INI_ALL | Removed in 1.2.0
mongo.chunk_size | 262144 | PHP_INI_ALL |
mongo.cmd | "$" | PHP_INI_ALL |
mongo.default_host | "localhost" | PHP_INI_ALL |
mongo.default_port | 27017 | PHP_INI_ALL |
mongo.is_master_interval | 15 | PHP_INI_ALL | Added in 1.2.10, before 1.3.0 the default value was 60.
mongo.long_as_object | 0 | PHP_INI_ALL |
mongo.native_long | 1 | PHP_INI_ALL | Before 1.5.0, the default value was 0.
mongo.ping_interval | 5 | PHP_INI_ALL | Added in 1.2.10
mongo.utf8 | 1 | PHP_INI_ALL |
mssql.allow_persistent | "1" | PHP_INI_SYSTEM |
mssql.batchsize | "0" | PHP_INI_ALL |
mssql.charset | "" | PHP_INI_ALL | Available since PHP 5.1.2.
mssql.compatability_mode | "0" | PHP_INI_ALL |
mssql.connect_timeout | "5" | PHP_INI_ALL |
mssql.datetimeconvert | "1" | PHP_INI_ALL |
mssql.max_links | "-1" | PHP_INI_SYSTEM |
mssql.max_persistent | "-1" | PHP_INI_SYSTEM |
mssql.max_procs | "-1" | PHP_INI_ALL |
mssql.min_error_severity | "10" | PHP_INI_ALL |
mssql.min_message_severity | "10" | PHP_INI_ALL |
mssql.secure_connection | "0" | PHP_INI_SYSTEM |
mssql.textlimit | "-1" | PHP_INI_ALL |
mssql.textsize | "-1" | PHP_INI_ALL |
mssql.timeout | "60" | PHP_INI_ALL |
mysql.allow_local_infile | "1" | PHP_INI_SYSTEM |
mysql.allow_persistent | "1" | PHP_INI_SYSTEM |
mysql.max_persistent | "-1" | PHP_INI_SYSTEM |
mysql.max_links | "-1" | PHP_INI_SYSTEM |
mysql.trace_mode | "0" | PHP_INI_ALL |
mysql.default_port | NULL | PHP_INI_ALL |
mysql.default_socket | NULL | PHP_INI_ALL |
mysql.default_host | NULL | PHP_INI_ALL |
mysql.default_user | NULL | PHP_INI_ALL |
mysql.default_password | NULL | PHP_INI_ALL |
mysql.connect_timeout | "60" | PHP_INI_ALL |
mysqli.allow_local_infile | "0" | PHP_INI_SYSTEM | Available as of PHP 5.2.4. Before PHP 7.2.16 and 7.3.3 the default was "1".
mysqli.local_infile_directory |  | PHP_INI_SYSTEM |
mysqli.allow_persistent | "1" | PHP_INI_SYSTEM | Available as of PHP 5.3.0.
mysqli.max_persistent | "-1" | PHP_INI_SYSTEM | Available as of PHP 5.3.0.
mysqli.max_links | "-1" | PHP_INI_SYSTEM |
mysqli.default_port | "3306" | PHP_INI_ALL |
mysqli.default_socket | NULL | PHP_INI_ALL |
mysqli.default_host | NULL | PHP_INI_ALL |
mysqli.default_user | NULL | PHP_INI_ALL |
mysqli.default_pw | NULL | PHP_INI_ALL |
mysqli.reconnect | "0" | PHP_INI_SYSTEM |
mysqli.rollback_on_cached_plink | TRUE | PHP_INI_SYSTEM | Available as of PHP 5.6.0.
mysqlnd.collect_memory_statistics | "0" | PHP_INI_SYSTEM | Available since PHP 5.3.0.
mysqlnd.collect_statistics | "1" | PHP_INI_ALL | Available since PHP 5.3.0.
mysqlnd.debug | "" | PHP_INI_SYSTEM | Available since PHP 5.3.0.
mysqlnd.log_mask | "0" | PHP_INI_ALL | Available since PHP 5.4.0.
mysqlnd.mempool_default_size | "16000" | PHP_INI_ALL | Available since PHP 5.4.0.
mysqlnd.net_cmd_buffer_size | "4096" | PHP_INI_ALL | Available since PHP 5.4.0.
mysqlnd.net_read_buffer_size | "32768" | PHP_INI_ALL | Available since PHP 5.3.0.
mysqlnd.net_read_timeout | "31536000" | PHP_INI_SYSTEM | Available since PHP 5.4.0.
mysqlnd.sha256_server_public_key | "" | PHP_INI_PERDIR | Available since PHP 5.5.0.
mysqlnd.trace_alloc | "" | PHP_INI_SYSTEM | Available since PHP 5.5.0.
mysqlnd_memcache.enable | 1 | `PHP_INI_SYSTEM` | Available since 1.0.0
mysqlnd_ms.enable | 0 | PHP_INI_SYSTEM |
mysqlnd_ms.force_config_usage | 0 | PHP_INI_SYSTEM |
mysqlnd_ms.ini_file | "" | PHP_INI_SYSTEM |
mysqlnd_ms.config_file | "" | PHP_INI_SYSTEM |
mysqlnd_ms.collect_statistics | 0 | PHP_INI_SYSTEM |
mysqlnd_ms.multi_master | 0 | PHP_INI_SYSTEM |
mysqlnd_ms.disable_rw_split | 0 | PHP_INI_SYSTEM |
mysqlnd_mux.enable | 0 | PHP_INI_SYSTEM |
mysqlnd_qc.enable_qc | 1 | PHP_INI_SYSTEM |
mysqlnd_qc.ttl | 30 | PHP_INI_ALL |
mysqlnd_qc.cache_by_default | 0 | PHP_INI_ALL |
mysqlnd_qc.cache_no_table | 0 | PHP_INI_ALL |
mysqlnd_qc.use_request_time | 0 | PHP_INI_ALL |
mysqlnd_qc.time_statistics | 1 | PHP_INI_ALL |
mysqlnd_qc.collect_statistics | 0 | PHP_INI_ALL |
mysqlnd_qc.collect_statistics_log_file | /tmp/mysqlnd_qc.stats | PHP_INI_SYSTEM |
mysqlnd_qc.collect_query_trace | 0 | PHP_INI_SYSTEM |
mysqlnd_qc.query_trace_bt_depth | 3 | PHP_INI_SYSTEM |
mysqlnd_qc.collect_normalized_query_trace | 0 | PHP_INI_SYSTEM |
mysqlnd_qc.ignore_sql_comments | 1 | PHP_INI_ALL |
mysqlnd_qc.slam_defense | 0 | PHP_INI_SYSTEM |
mysqlnd_qc.slam_defense_ttl | 30 | PHP_INI_SYSTEM |
mysqlnd_qc.std_data_copy | 0 | PHP_INI_SYSTEM |
mysqlnd_qc.apc_prefix | qc_ | PHP_INI_ALL |
mysqlnd_qc.memc_server | 127.0.0.1 | PHP_INI_ALL |
mysqlnd_qc.memc_port | 11211 | PHP_INI_ALL |
mysqlnd_qc.sqlite_data_file | :memory: | PHP_INI_ALL |
mysqlnd_uh.enable | 1 | PHP_INI_SYSTEM |
mysqlnd_uh.report_wrong_types | 1 | PHP_INI_ALL |
nsapi.read_timeout | "60" | PHP_INI_ALL |
oci8.connection_class | "" | PHP_INI_ALL | Available since PHP 5.3 (PECL OCI8 1.3).
oci8.default_prefetch | "10" | PHP_INI_SYSTEM | Available since PHP 5.1.2.
oci8.events | Off | PHP_INI_SYSTEM | Available since PHP 5.3 (PECL OCI8 1.3).
oci8.max_persistent | "-1" | PHP_INI_SYSTEM | Available since PHP 5.1.2.
oci8.old_oci_close_semantics | "0" | PHP_INI_SYSTEM | Available since PHP 5.1.2.
oci8.persistent_timeout | "-1" | PHP_INI_SYSTEM | Available since PHP 5.1.2.
oci8.ping_interval | "60" | PHP_INI_SYSTEM | Available since PHP 5.1.2.
oci8.privileged_connect | "0" | PHP_INI_SYSTEM | Available since PHP 5.1.2.
oci8.statement_cache_size | "20" | PHP_INI_SYSTEM | Available 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_db | NULL | PHP_INI_ALL |
odbc.default_cursortype | "3" | PHP_INI_ALL | Available since PHP 5.3.0.
odbc.default_pw | NULL | PHP_INI_ALL |
odbc.default_user | NULL | PHP_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_ALL | Available since odbtp 1.1.3.
odbtp.interface_file | "/usr/local/share/odbtp.conf" | PHP_INI_ALL |
odbtp.truncation_errors | "1" | PHP_INI_ALL |
opcache.enable | "1" | PHP_INI_ALL |
opcache.enable_cli | "0" | PHP_INI_SYSTEM | Between PHP 7.1.2 and 7.1.6 inclusive, the default was "1"
opcache.memory_consumption | "128" | PHP_INI_SYSTEM |
opcache.interned_strings_buffer | "8" | PHP_INI_SYSTEM |
opcache.max_accelerated_files | "10000" | PHP_INI_SYSTEM |
opcache.max_wasted_percentage | "5" | PHP_INI_SYSTEM |
opcache.use_cwd | "1" | PHP_INI_SYSTEM |
opcache.validate_timestamps | "1" | PHP_INI_ALL |
opcache.revalidate_freq | "2" | PHP_INI_ALL |
opcache.revalidate_path | "0" | PHP_INI_ALL |
opcache.save_comments | "1" | PHP_INI_SYSTEM |
opcache.fast_shutdown | "0" | PHP_INI_SYSTEM | Removed in PHP 7.2.0
opcache.enable_file_override | "0" | PHP_INI_SYSTEM |
opcache.optimization_level | "0x7FFEBFFF" | PHP_INI_SYSTEM | Changed from 0x7FFFBFFF in PHP 7.3.0
opcache.inherited_hack | "1" | PHP_INI_SYSTEM | Removed in PHP 7.3.0
opcache.dups_fix | "0" | PHP_INI_ALL |
opcache.blacklist_filename | "" | PHP_INI_SYSTEM |
opcache.max_file_size | "0" | PHP_INI_SYSTEM |
opcache.consistency_checks | "0" | PHP_INI_ALL |
opcache.force_restart_timeout | "180" | PHP_INI_SYSTEM |
opcache.error_log | "" | PHP_INI_SYSTEM |
opcache.log_verbosity_level | "1" | PHP_INI_SYSTEM |
opcache.preferred_memory_model | "" | PHP_INI_SYSTEM |
opcache.protect_memory | "0" | PHP_INI_SYSTEM |
opcache.mmap_base | `NULL` | PHP_INI_SYSTEM |
opcache.restrict_api | "" | PHP_INI_SYSTEM |
opcache.file_update_protection | "2" | PHP_INI_ALL |
opcache.huge_code_pages | "0" | PHP_INI_SYSTEM |
opcache.lockfile_path | "/tmp" | PHP_INI_SYSTEM |
opcache.opt_debug_level | "0" | PHP_INI_SYSTEM | Available as of PHP 7.1.0
opcache.file_cache | NULL | PHP_INI_SYSTEM |
opcache.file_cache_only | "0" | PHP_INI_SYSTEM |
opcache.file_cache_consistency_checks | "1" | PHP_INI_SYSTEM |
opcache.file_cache_fallback | "1" | PHP_INI_SYSTEM | Windows only.
opcache.validate_permission | "0" | PHP_INI_SYSTEM | Available as of PHP 7.0.14
opcache.validate_root | "0" | PHP_INI_SYSTEM | Available as of PHP 7.0.14
opcache.preload | "" | PHP_INI_SYSTEM | Available as of PHP 7.4.0
opcache.preload_user | "" | PHP_INI_SYSTEM | Available as of PHP 7.4.0
opcache.cache_id | "1" | PHP_INI_SYSTEM | Windows only. Available as of PHP 7.4.0
opcache.jit | "tracing" | PHP_INI_ALL | Available as of PHP 8.0.0
opcache.jit_buffer_size | "0" | PHP_INI_SYSTEM | Available as of PHP 8.0.0
opcache.jit_debug | "0" | PHP_INI_ALL | Available as of PHP 8.0.0
opcache.jit_bisect_limit | "0" | PHP_INI_ALL | Available as of PHP 8.0.0
opcache.jit_prof_threshold | "0.005" | PHP_INI_ALL | Available as of PHP 8.0.0
opcache.jit_max_root_traces | "1024" | PHP_INI_SYSTEM | Available as of PHP 8.0.0
opcache.jit_max_side_traces | "128" | PHP_INI_SYSTEM | Available as of PHP 8.0.0
opcache.jit_max_exit_counters | "8192" | PHP_INI_SYSTEM | Available as of PHP 8.0.0
opcache.jit_hot_loop | "64" | PHP_INI_SYSTEM | Available as of PHP 8.0.0
opcache.jit_hot_func | "127" | PHP_INI_SYSTEM | Available as of PHP 8.0.0
opcache.jit_hot_return | "8" | PHP_INI_SYSTEM | Available as of PHP 8.0.0
opcache.jit_hot_side_exit | "8" | PHP_INI_SYSTEM | Available as of PHP 8.0.0
opcache.jit_blacklist_root_trace | "16" | PHP_INI_ALL | Available as of PHP 8.0.0
opcache.jit_blacklist_side_trace | "8" | PHP_INI_ALL | Available as of PHP 8.0.0
opcache.jit_max_loop_unrolls | "8" | PHP_INI_ALL | Available as of PHP 8.0.0
opcache.jit_max_recursive_calls | "2" | PHP_INI_ALL | Available as of PHP 8.0.0
opcache.jit_max_recursive_returns | "2" | PHP_INI_ALL | Available as of PHP 8.0.0
opcache.jit_max_polymorphic_calls | "2" | PHP_INI_ALL | Available as of PHP 8.0.0
opendirectory.default_separator | "/" | PHP_INI_ALL | Removed in opendirectory 0.2.2.
opendirectory.max_refs | "-1" | PHP_INI_ALL |
opendirectory.separator | "/" | PHP_INI_ALL | Available since opendirectory 0.2.2.
open_basedir | NULL | PHP_INI_ALL | PHP_INI_SYSTEM in PHP < 5.2.3.
oracle.allow_persistent | "-1" | PHP_INI_ALL | Removed in PHP 5.1.0.
oracle.max_links | "-1" | PHP_INI_ALL | Removed in PHP 5.1.0.
oracle.max_persistent | "-1" | PHP_INI_ALL | Removed in PHP 5.1.0.
output_buffering | "0" | PHP_INI_PERDIR |
output_handler | NULL | PHP_INI_PERDIR |
pam.servicename | "php" | PHP_INI_ALL |
pcre.backtrack_limit | "1000000" | PHP_INI_ALL | Available since PHP 5.2.0.
pcre.recursion_limit | "100000" | PHP_INI_ALL | Available since PHP 5.2.0.
pcre.jit | "1" | PHP_INI_ALL | Available since PHP 7.0.0.
pdo.dsn.* |  | php.ini only | Available since PHP 5.1.0.
pdo_odbc.connection_pooling | "strict" | PHP_INI_ALL | Available since PHP 5.1.0.
pdo_odbc.db2_instance_name | NULL | PHP_INI_SYSTEM | Available since PHP 5.1.1. This deprecated feature will certainly be removed in the future.
pfpro.defaulthost | "test-payflow.verisign.com" | PHP_INI_ALL | Removed in PHP 5.1.0.
pfpro.defaultport | "443" | PHP_INI_ALL | Removed in PHP 5.1.0.
pfpro.defaulttimeout | "30" | PHP_INI_ALL | Removed in PHP 5.1.0.
pfpro.proxyaddress | "" | PHP_INI_ALL | Removed in PHP 5.1.0.
pfpro.proxylogon | "" | PHP_INI_ALL | Removed in PHP 5.1.0.
pfpro.proxypassword | "" | PHP_INI_ALL | Removed in PHP 5.1.0.
pfpro.proxyport | "" | PHP_INI_ALL | Removed in PHP 5.1.0.
pgsql.allow_persistent | "1" | PHP_INI_SYSTEM |
pgsql.auto_reset_persistent | "0" | PHP_INI_SYSTEM |
pgsql.ignore_notice | "0" | PHP_INI_ALL |
pgsql.log_notice | "0" | PHP_INI_ALL |
pgsql.max_links | "-1" | PHP_INI_SYSTEM |
pgsql.max_persistent | "-1" | PHP_INI_SYSTEM |
phar.cache_list | "" | PHP_INI_SYSTEM | Available since PHP 5.4.0.
phar.extract_list | "" | PHP_INI_ALL | Available since phar 1.1.0.
phar.readonly | "1" | PHP_INI_ALL |
phar.require_hash | "1" | PHP_INI_ALL |
post_max_size | "8M" | PHP_INI_PERDIR |
precision | "14" | PHP_INI_ALL |
python.append_path | "" | PHP_INI_ALL |
python.prepend_path | "." | PHP_INI_ALL |
realpath_cache_size | "16K" | PHP_INI_SYSTEM | Available since PHP 5.1.0.
realpath_cache_ttl | "120" | PHP_INI_SYSTEM | Available since PHP 5.1.0.
register_argc_argv | "1" | PHP_INI_PERDIR |
register_globals | "0" | PHP_INI_PERDIR | Deprecated in PHP 5.3.0. Removed in PHP 5.4.0.
register_long_arrays | "1" | PHP_INI_PERDIR | Deprecated in PHP 5.3.0. Removed in PHP 5.4.0.
report_memleaks | "1" | PHP_INI_ALL |
report_zend_debug | "1" | PHP_INI_ALL |
request_order | "" | PHP_INI_PERDIR | Added in PHP 5.3.0
runkit.internal_override | "0" | PHP_INI_SYSTEM |
runkit.superglobal | "" | PHP_INI_PERDIR |
sendmail_from | NULL | PHP_INI_ALL |
sendmail_path | "/usr/sbin/sendmail -t -i" | PHP_INI_SYSTEM |
serialize_precision | "-1" | PHP_INI_ALL | Before PHP 5.3.6, the default value was 100. Before PHP 7.1.0, the default value was 17.
session.auto_start | "0" | PHP_INI_PERDIR | PHP_INI_ALL in PHP <= 5.4.19 and in PHP <= 5.5.1.
session.bug_compat_42 | "1" | PHP_INI_ALL | Removed in PHP 5.4.0.
session.bug_compat_warn | "1" | PHP_INI_ALL | Removed in PHP 5.4.0.
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_ALL | Available since PHP 5.2.0.
session.cookie_lifetime | "0" | PHP_INI_ALL |
session.cookie_path | "/" | PHP_INI_ALL |
session.cookie_secure | "" | PHP_INI_ALL |
session.entropy_file | "" | PHP_INI_ALL | Removed in PHP 7.1.0.
session.entropy_length | "0" | PHP_INI_ALL | Removed in PHP 7.1.0.
session.gc_divisor | "100" | PHP_INI_ALL |
session.gc_maxlifetime | "1440" | PHP_INI_ALL |
session.gc_probability | "1" | PHP_INI_ALL |
session.sid_bits_per_character | "4" | PHP_INI_ALL | Available since PHP 7.1.0.
session.sid_length | "32" | PHP_INI_ALL | Available since PHP 7.1.0.
session.hash_bits_per_character | "5" | PHP_INI_ALL | Removed in PHP 7.1.0.
session.hash_function | "0" | PHP_INI_ALL | Removed in PHP 7.1.0.
session.lazy_write | "1" | PHP_INI_ALL | Available since PHP 7.0.0.
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.upload_progress.cleanup | "1" | PHP_INI_PERDIR | Available since PHP 5.4.0.
session.upload_progress.enabled | "1" | PHP_INI_PERDIR | Available since PHP 5.4.0.
session.upload_progress.freq | "1%" | PHP_INI_PERDIR | Available since PHP 5.4.0.
session.upload_progress.min_freq | "1" | PHP_INI_PERDIR | Available since PHP 5.4.0.
session.upload_progress.name | "PHP_SESSION_UPLOAD_PROGRESS" | PHP_INI_PERDIR | Available since PHP 5.4.0.
session.upload_progress.prefix | "upload_progress_" | PHP_INI_PERDIR | Available since PHP 5.4.0.
session.use_strict_mode | "0" | PHP_INI_ALL | Available since PHP 5.5.2.
session.use_cookies | "1" | PHP_INI_ALL |
session.use_only_cookies | "1" | PHP_INI_ALL |
session.use_trans_sid | "0" | PHP_INI_ALL |
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_PERDIR |
SMTP | "localhost" | PHP_INI_ALL |
smtp_port | "25" | PHP_INI_ALL |
soap.wsdl_cache | "1" | PHP_INI_ALL | Available since PHP 5.1.5.
soap.wsdl_cache_dir | "/tmp" | PHP_INI_ALL |
soap.wsdl_cache_enabled | "1" | PHP_INI_ALL |
soap.wsdl_cache_limit | "5" | PHP_INI_ALL | Available since PHP 5.1.5.
soap.wsdl_cache_ttl | "86400" | PHP_INI_ALL |
sql.safe_mode | "0" | PHP_INI_SYSTEM |
sqlite3.extension_dir | "" | PHP_INI_SYSTEM | Available as of PHP 5.3.11.
sqlite3.defensive | 1 | PHP_INI_SYSTEM | Available as of PHP 7.2.17 and 7.3.4 for libsqlite ≥ 3.26.0.
syslog.facility | "LOG_USER" | PHP_INI_SYSTEM | Available as of PHP 7.3.0.
syslog.filter | "no-ctrl" | PHP_INI_ALL | Available as of PHP 7.3.0.
syslog.ident | "php" | PHP_INI_SYSTEM | Available as of PHP 7.3.0.
sys_temp_dir | "" | PHP_INI_SYSTEM | Available since PHP 5.5.0.
sysvshm.init_mem | "10000" | PHP_INI_ALL |
tidy.clean_output | "0" | PHP_INI_USER | PHP_INI_PERDIR in PHP 5.
tidy.default_config | "" | PHP_INI_SYSTEM |
track_errors | "0" | PHP_INI_ALL | Deprecated as of PHP 7.2.0.
unserialize_callback_func | NULL | PHP_INI_ALL |
uploadprogress.file.filename_template | "/tmp/upt_%s.txt" | PHP_INI_ALL |
upload_max_filesize | "2M" | PHP_INI_PERDIR |
max_file_uploads | 20 | PHP_INI_SYSTEM | Available since PHP 5.2.12.
upload_tmp_dir | NULL | PHP_INI_SYSTEM |
url_rewriter.tags | "a=href,area=href,frame=src,form=,fieldset=" | PHP_INI_ALL |
user_agent | NULL | PHP_INI_ALL |
user_dir | NULL | PHP_INI_SYSTEM |
user_ini.cache_ttl | "300" | PHP_INI_SYSTEM | Available since PHP 5.3.0.
user_ini.filename | ".user.ini" | PHP_INI_SYSTEM | Available since PHP 5.3.0.
uopz.disable | "0" | PHP_INI_SYSTEM | Available as of uopz 5.0.2
uopz.exit | "0" | PHP_INI_SYSTEM | Available as of uopz 6.0.1
uopz.overloads | "1" | PHP_INI_SYSTEM | Available as of uopz 2.0.2. Removed as of uopz 5.0.0.
valkyrie.auto_validate | "0" | PHP_INI_ALL |
valkyrie.config_path | NULL | PHP_INI_ALL |
variables_order | "EGPCS" | PHP_INI_PERDIR | PHP_INI_ALL in PHP <= 5.0.5.
vld.active | "0" | PHP_INI_SYSTEM |
vld.execute | "1" | PHP_INI_SYSTEM | Available since vld 0.8.0.
vld.skip_append | "0" | PHP_INI_SYSTEM | Available since vld 0.8.0.
vld.skip_prepend | "0" | PHP_INI_SYSTEM | Available since vld 0.8.0.
windows.show_crt_warning | "0" | PHP_INI_ALL | Available since PHP 5.4.0.
xbithack | "0" | PHP_INI_ALL |
xmlrpc_errors | "0" | PHP_INI_SYSTEM |
xmlrpc_error_number | "0" | PHP_INI_ALL |
xmms.path | "/usr/bin/xmms" | PHP_INI_ALL |
xmms.session | "0" | PHP_INI_ALL |
xsl.security_prefs | "44" | PHP_INI_ALL | Available since PHP 5.5.0.
y2k_compliance | "1" | PHP_INI_ALL | Removed in PHP 5.4.0.
yami.response.timeout | "5" | PHP_INI_ALL | Available since yami 1.0.1.
yaz.keepalive | "120" | PHP_INI_ALL |
yaz.log_mask | NULL | PHP_INI_ALL | Available since yaz 1.0.3.
zend.assertions | "1" | PHP_INI_ALL | Available since PHP 7.0.0.
zend.detect_unicode | "1" | PHP_INI_ALL | Available since PHP 5.4.0.
zend.enable_gc | "1" | PHP_INI_ALL | Available since PHP 5.3.0.
zend.multibyte | "0" | PHP_INI_PERDIR | Available since PHP 5.4.0.
zend.script_encoding | NULL | PHP_INI_ALL | Available since PHP 5.4.0
zend.signal_check | "0" | PHP_INI_SYSTEM | Available since PHP 5.4.0
zend.ze1_compatibility_mode | "0" | PHP_INI_ALL | Available since PHP 5.0.0. Removed in PHP 5.3.0.
zend_extension | NULL | php.ini only |
zend_extension_debug | NULL | php.ini only |
zend_extension_debug_ts | NULL | php.ini only |
zend_extension_ts | NULL | php.ini only |
zlib.output_compression | "0" | PHP_INI_ALL |
zlib.output_compression_level | "-1" | PHP_INI_ALL |
zlib.output_handler | "" | PHP_INI_ALL |