## List of php.ini directives

This list includes the php.ini directives that can be used to configure PHP.

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_url_fopen | `"1"` | `INI_SYSTEM` |
allow_url_include | `"0"` | `INI_SYSTEM` | Deprecated as of PHP 7.4.0.
arg_separator.input | `"&"` | `INI_PERDIR` |
arg_separator.output | `"&"` | `INI_ALL` |
assert.active | `"1"` | `INI_ALL` |
assert.bail | `"0"` | `INI_ALL` |
assert.callback | `null` | `INI_ALL` |
assert.exception | `"0"` | `INI_ALL` |
assert.quiet_eval | `"0"` | `INI_ALL` | Removed as of PHP 8.0.0
assert.warning | `"1"` | `INI_ALL` |
auto_append_file | `null` | `INI_PERDIR` |
auto_detect_line_endings | `"0"` | `INI_ALL` |
auto_globals_jit | `"1"` | `INI_PERDIR` |
auto_prepend_file | `null` | `INI_PERDIR` |
bcmath.scale | "0" | `INI_ALL` |
browscap | `null` | `INI_SYSTEM` |
cgi.check_shebang_line | `"1"` | `INI_SYSTEM` |
cgi.discard_path | `"0"` | `INI_SYSTEM` |
cgi.fix_pathinfo | `"1"` | `INI_SYSTEM` |
cgi.force_redirect | `"1"` | `INI_SYSTEM` |
cgi.nph | `"0"` | `INI_ALL` |
cgi.redirect_status_env | `null` | `INI_SYSTEM` |
cgi.rfc2616_headers | `"0"` | `INI_ALL` |
child_terminate | `"0"` | `INI_ALL` |
cli.pager | "" | `INI_ALL` |
cli.prompt | "\\b \\> " | `INI_ALL` |
cli_server.color | "0" | `INI_ALL` |
com.allow_dcom | "0" | `INI_SYSTEM` |
com.autoregister_typelib | "0" | `INI_ALL` |
com.autoregister_verbose | "0" | `INI_ALL` |
com.autoregister_casesensitive | "1" | `INI_ALL` |
com.code_page | "" | `INI_ALL` |
com.dotnet_version | "" | `INI_SYSTEM` | As of PHP 8.0.0
com.typelib_file | "" | `INI_SYSTEM` |
curl.cainfo | NULL | `INI_SYSTEM` |
date.default_latitude | "31.7667" | `INI_ALL` |
date.default_longitude | "35.2333" | `INI_ALL` |
date.sunrise_zenith | "90.833333" | `INI_ALL` | Prior to PHP 8.0.0, the default was "90.583333"
date.sunset_zenith | "90.833333" | `INI_ALL` | Prior to PHP 8.0.0, the default was "90.583333"
date.timezone | "UTC" | `INI_ALL` | From PHP 8.2, a warning is emitted when setting this to an invalid value or an empty string.
dba.default_handler | DBA_DEFAULT | `INI_ALL` |
default_charset | `"UTF-8"` | `INI_ALL` |
input_encoding | `""` | `INI_ALL` |
output_encoding | `""` | `INI_ALL` |
internal_encoding | `""` | `INI_ALL` |
default_mimetype | `"text/html"` | `INI_ALL` |
default_socket_timeout | `"60"` | `INI_ALL` |
disable_classes | `""` | php.ini only |
disable_functions | `""` | php.ini only |
display_errors | `"1"` | `INI_ALL` |
display_startup_errors | `"1"` | `INI_ALL` | Prior to PHP 8.0.0, the default value was `"0"`.
docref_ext | `""` | `INI_ALL` |
docref_root | `""` | `INI_ALL` |
doc_root | `null` | `INI_SYSTEM` |
enable_dl | `"1"` | `INI_SYSTEM` | This deprecated feature will certainly be removed in the future.
enable_post_data_reading | `"On"` | `INI_PERDIR` |
engine | `"1"` | `INI_ALL` |
error_append_string | `null` | `INI_ALL` |
error_log | `null` | `INI_ALL` |
error_log_mode | `0o644` | `INI_ALL` | Available as of PHP 8.2.0
error_prepend_string | `null` | `INI_ALL` |
error_reporting | `null` | `INI_ALL` |
exif.encode_unicode | "ISO-8859-15" | `INI_ALL` |
exif.decode_unicode_motorola | "UCS-2BE" | `INI_ALL` |
exif.decode_unicode_intel | "UCS-2LE" | `INI_ALL` |
exif.encode_jis | "" | `INI_ALL` |
exif.decode_jis_motorola | "JIS" | `INI_ALL` |
exif.decode_jis_intel | "JIS" | `INI_ALL` |
exit_on_timeout | `""` | `INI_ALL` |
expect.timeout | "10" | `INI_ALL` |
expect.loguser | "1" | `INI_ALL` |
expect.logfile | "" | `INI_ALL` |
expect.match_max | "" | `INI_ALL` |
expose_php | `"1"` | php.ini only |
extension | `null` | php.ini only |
extension_dir | `"/path/to/php"` | `INI_SYSTEM` |
fastcgi.impersonate | `"0"` | `INI_SYSTEM` |
fastcgi.logging | `"1"` | `INI_SYSTEM` |
file_uploads | `"1"` | `INI_SYSTEM` |
filter.default | "unsafe_raw" | `INI_PERDIR` | Deprecated as of PHP 8.1.0.
filter.default_flags | NULL | `INI_PERDIR` |
from | `""` | `INI_ALL` |
gd.jpeg_ignore_warning | "1" | `INI_ALL` |
geoip.custom_directory | "" | `INI_ALL` |
hard_timeout | `"2"` | `INI_SYSTEM` | Available as of PHP 7.1.0.
highlight.comment | `"#FF8000"` | `INI_ALL` |
highlight.default | `"#0000BB"` | `INI_ALL` |
highlight.html | `"#000000"` | `INI_ALL` |
highlight.keyword | `"#007700"` | `INI_ALL` |
highlight.string | `"#DD0000"` | `INI_ALL` |
html_errors | `"1"` | `INI_ALL` |
ibase.allow_persistent | "1" | `INI_SYSTEM` |
ibase.max_persistent | "-1" | `INI_SYSTEM` |
ibase.max_links | "-1" | `INI_SYSTEM` |
ibase.default_db | NULL | `INI_SYSTEM` |
ibase.default_user | NULL | `INI_ALL` |
ibase.default_password | NULL | `INI_ALL` |
ibase.default_charset | NULL | `INI_ALL` |
ibase.timestampformat | "%Y-%m-%d %H:%M:%S" | `INI_ALL` |
ibase.dateformat | "%Y-%m-%d" | `INI_ALL` |
ibase.timeformat | "%H:%M:%S" | `INI_ALL` |
ibm_db2.binmode | "1" | `INI_ALL` |
ibm_db2.i5_all_pconnect | "0" | `INI_SYSTEM` | Available as of ibm_db2 1.6.5.
ibm_db2.i5_allow_commit | "0" | `INI_SYSTEM` | Available as of ibm_db2 1.4.9.
ibm_db2.i5_blank_userid | "0" | `INI_SYSTEM` | Available as of ibm_db2 1.9.7.
ibm_db2.i5_char_trim | "0" | `INI_SYSTEM` | Available as of ibm_db2 2.1.0.
ibm_db2.i5_dbcs_alloc | "0" | `INI_SYSTEM` | Available as of ibm_db2 1.5.0.
ibm_db2.i5_guard_profile | "0" | `INI_SYSTEM` | Available as of ibm_db2 1.9.7.
ibm_db2.i5_ignore_userid | "0" | `INI_SYSTEM` | Available as of ibm_db2 1.8.0.
ibm_db2.i5_job_sort | "0" | `INI_SYSTEM` | Available as of ibm_db2 1.8.4.
ibm_db2.i5_log_verbose | "0" | `INI_SYSTEM` | Available as of ibm_db2 1.9.7.
ibm_db2.i5_max_pconnect | "0" | `INI_SYSTEM` | Available as of ibm_db2 1.9.7.
ibm_db2.i5_override_ccsid | "0" | `INI_SYSTEM` | Available as of ibm_db2 1.9.7.
ibm_db2.i5_servermode_subsystem | NULL | `INI_SYSTEM` | Available as of ibm_db2 1.9.7.
ibm_db2.i5_sys_naming | "0" | `INI_SYSTEM` | Available as of ibm_db2 1.9.7.
ibm_db2.instance_name | NULL | `INI_SYSTEM` | Available as of ibm_db2 1.0.2.
iconv.input_encoding | "" | `INI_ALL` | Deprecated in PHP 5.6.0.
iconv.output_encoding | "" | `INI_ALL` | Deprecated in PHP 5.6.0.
iconv.internal_encoding | "" | `INI_ALL` | Deprecated in PHP 5.6.0.
ignore_repeated_errors | `"0"` | `INI_ALL` |
ignore_repeated_source | `"0"` | `INI_ALL` |
ignore_user_abort | `"0"` | `INI_ALL` |
implicit_flush | `"0"` | `INI_ALL` |
include_path | `".:/path/to/php/pear"` | `INI_ALL` |
intl.default_locale |  | `INI_ALL` |
intl.error_level | 0 | `INI_ALL` |
intl.use_exceptions | 0 | `INI_ALL` | Available since PECL 3.0.0a1
last_modified | `"0"` | `INI_ALL` |
ldap.max_links | "-1" | `INI_SYSTEM` |
log_errors | `"0"` | `INI_ALL` |
log_errors_max_len | `"1024"` | `INI_ALL` |
mail.add_x_header | `"0"` | `INI_PERDIR` |
mail.force_extra_parameters | `null` | `INI_SYSTEM` |
mail.log | `""` | `INI_PERDIR` |
max_execution_time | `"30"` | `INI_ALL` |
max_input_nesting_level | `"64"` | `INI_PERDIR` |
max_input_vars | `1000` | `INI_PERDIR` |
max_input_time | `"-1"` | `INI_PERDIR` |
mbstring.language | "neutral" | `INI_ALL` |
mbstring.detect_order | NULL | `INI_ALL` |
mbstring.http_input | "pass" | `INI_ALL` | Deprecated
mbstring.http_output | "pass" | `INI_ALL` | Deprecated
mbstring.internal_encoding | NULL | `INI_ALL` | Deprecated
mbstring.substitute_character | NULL | `INI_ALL` |
mbstring.func_overload | "0" | `INI_SYSTEM` | Deprecated as of PHP 7.2.0; removed as of PHP 8.0.0.
mbstring.encoding_translation | "0" | `INI_PERDIR` |
mbstring.http_output_conv_mimetypes | "^(text/|application/xhtml\+xml)" | `INI_ALL` |
mbstring.strict_detection | "0" | `INI_ALL` |
mbstring.regex_retry_limit | "1000000" | `INI_ALL` | Available as of PHP 7.4.0.
mbstring.regex_stack_limit | "100000" | `INI_ALL` | Available as of PHP 7.3.5.
mcrypt.algorithms_dir | `null` | `INI_ALL` |
mcrypt.modes_dir | `null` | `INI_ALL` |
memcache.allow_failover | "1" | `INI_ALL` | Available since memcache 2.0.2.
memcache.max_failover_attempts | "20" | `INI_ALL` | Available since memcache 2.1.0.
memcache.chunk_size | "8192" | `INI_ALL` | Available since memcache 2.0.2.
memcache.default_port | "11211" | `INI_ALL` | Available since memcache 2.0.2.
memcache.hash_strategy | "standard" | `INI_ALL` | Available since memcache 2.2.0.
memcache.hash_function | "crc32" | `INI_ALL` | Available since memcache 2.2.0.
memcache.protocol | ascii | `INI_ALL` | Supported since memcache 3.0.0
memcache.redundancy | 1 | `INI_ALL` | Supported since memcache 3.0.0
memcache.session_redundancy | 2 | `INI_ALL` | Supported since memcache 3.0.0
memcache.compress_threshold | 20000 | `INI_ALL` | Supported since memcache 3.0.3
memcache.lock_timeout | 15 | `INI_ALL` | Supported since memcache 3.0.4
memory_limit | `"128M"` | `INI_ALL` |
mysql.allow_local_infile | "1" | `INI_SYSTEM` |
mysql.allow_persistent | "1" | `INI_SYSTEM` |
mysql.max_persistent | "-1" | `INI_SYSTEM` |
mysql.max_links | "-1" | `INI_SYSTEM` |
mysql.trace_mode | "0" | `INI_ALL` |
mysql.default_port | NULL | `INI_ALL` |
mysql.default_socket | NULL | `INI_ALL` |
mysql.default_host | NULL | `INI_ALL` |
mysql.default_user | NULL | `INI_ALL` |
mysql.default_password | NULL | `INI_ALL` |
mysql.connect_timeout | "60" | `INI_ALL` |
mysqli.allow_local_infile | "0" | `INI_SYSTEM` | Before PHP 7.2.16 and 7.3.3 the default was "1".
mysqli.local_infile_directory |  | `INI_SYSTEM` | Available as of PHP 8.1.0.
mysqli.allow_persistent | "1" | `INI_SYSTEM` |
mysqli.max_persistent | "-1" | `INI_SYSTEM` |
mysqli.max_links | "-1" | `INI_SYSTEM` |
mysqli.default_port | "3306" | `INI_ALL` |
mysqli.default_socket | NULL | `INI_ALL` |
mysqli.default_host | NULL | `INI_ALL` |
mysqli.default_user | NULL | `INI_ALL` |
mysqli.default_pw | NULL | `INI_ALL` |
mysqli.reconnect | "0" | `INI_SYSTEM` | Removed as of PHP 8.2.0
mysqli.rollback_on_cached_plink | "0" | `INI_SYSTEM` |
mysqlnd.collect_statistics | "1" | `INI_SYSTEM` |
mysqlnd.collect_memory_statistics | "0" | `INI_SYSTEM` |
mysqlnd.debug | "" | `INI_SYSTEM` |
mysqlnd.log_mask | 0 | `INI_ALL` |
mysqlnd.mempool_default_size | 16000 | `INI_ALL` |
mysqlnd.net_read_timeout | "86400" | `INI_ALL` | Before PHP 7.2.0 the default value was "31536000" and the changeability was `INI_SYSTEM`
mysqlnd.net_cmd_buffer_size | "4096" | `INI_SYSTEM` |
mysqlnd.net_read_buffer_size | "32768" | `INI_SYSTEM` |
mysqlnd.sha256_server_public_key | "" | `INI_PERDIR` |
mysqlnd.trace_alloc | "" | `INI_SYSTEM` |
mysqlnd.fetch_data_copy | 0 | `INI_ALL` | Removed as of PHP 8.1.0
oci8.connection_class | "" | `INI_ALL` |
oci8.default_prefetch | "100" | `INI_SYSTEM` |
oci8.events | Off | `INI_SYSTEM` |
oci8.max_persistent | "-1" | `INI_SYSTEM` |
oci8.old_oci_close_semantics | Off | `INI_SYSTEM` | Deprecated as of PHP 8.1.0.
oci8.persistent_timeout | "-1" | `INI_SYSTEM` |
oci8.ping_interval | "60" | `INI_SYSTEM` |
oci8.prefetch_lob_size | "0" | `INI_SYSTEM` | Available since PECL OCI8 3.2.
oci8.privileged_connect | Off | `INI_SYSTEM` |
oci8.statement_cache_size | "20" | `INI_SYSTEM` |
odbc.allow_persistent | "1" | `INI_SYSTEM` |
odbc.check_persistent | "1" | `INI_SYSTEM` |
odbc.max_persistent | "-1" | `INI_SYSTEM` |
odbc.max_links | "-1" | `INI_SYSTEM` |
odbc.defaultlrl | "4096" | `INI_ALL` |
odbc.defaultbinmode | "1" | `INI_ALL` |
odbc.default_cursortype | "3" | `INI_ALL` |
opcache.enable | 1 | `INI_ALL` |
opcache.enable_cli | 0 | `INI_SYSTEM` | Between PHP 7.1.2 and 7.1.6 inclusive, the default was `1`
opcache.memory_consumption | 128 | `INI_SYSTEM` |
opcache.interned_strings_buffer | 8 | `INI_SYSTEM` |
opcache.max_accelerated_files | 10000 | `INI_SYSTEM` |
opcache.max_wasted_percentage | 5 | `INI_SYSTEM` |
opcache.use_cwd | 1 | `INI_SYSTEM` |
opcache.validate_timestamps | 1 | `INI_ALL` |
opcache.revalidate_freq | 2 | `INI_ALL` |
opcache.revalidate_path | 0 | `INI_ALL` |
opcache.save_comments | 1 | `INI_SYSTEM` |
opcache.fast_shutdown | 0 | `INI_SYSTEM` | Removed in PHP 7.2.0
opcache.enable_file_override | 0 | `INI_SYSTEM` |
opcache.optimization_level | 0x7FFEBFFF | `INI_SYSTEM` | Changed from `0x7FFFBFFF` in PHP 7.3.0
opcache.inherited_hack | 1 | `INI_SYSTEM` | Removed in PHP 7.3.0
opcache.dups_fix | 0 | `INI_ALL` |
opcache.blacklist_filename | "" | `INI_SYSTEM` |
opcache.max_file_size | 0 | `INI_SYSTEM` |
opcache.consistency_checks | 0 | `INI_ALL` | Disabled as of 8.1.18 and 8.2.5. Removed as of PHP 8.3.0.
opcache.force_restart_timeout | 180 | `INI_SYSTEM` |
opcache.error_log | "" | `INI_SYSTEM` |
opcache.log_verbosity_level | 1 | `INI_SYSTEM` |
opcache.record_warnings | 0 | `INI_SYSTEM` | Available as of PHP 8.0.0
opcache.preferred_memory_model | "" | `INI_SYSTEM` |
opcache.protect_memory | 0 | `INI_SYSTEM` |
opcache.mmap_base | `null` | `INI_SYSTEM` | Windows only.
opcache.restrict_api | "" | `INI_SYSTEM` |
opcache.file_update_protection | 2 | `INI_ALL` |
opcache.huge_code_pages | 0 | `INI_SYSTEM` |
opcache.lockfile_path | "/tmp" | `INI_SYSTEM` |
opcache.opt_debug_level | 0 | `INI_SYSTEM` | Available as of PHP 7.1.0
opcache.file_cache | `null` | `INI_SYSTEM` |
opcache.file_cache_only | 0 | `INI_SYSTEM` |
opcache.file_cache_consistency_checks | 1 | `INI_SYSTEM` |
opcache.file_cache_fallback | 1 | `INI_SYSTEM` | Windows only.
opcache.validate_permission | 0 | `INI_SYSTEM` | Available as of PHP 7.0.14
opcache.validate_root | 0 | `INI_SYSTEM` | Available as of PHP 7.0.14
opcache.preload | "" | `INI_SYSTEM` | Available as of PHP 7.4.0
opcache.preload_user | "" | `INI_SYSTEM` | Available as of PHP 7.4.0
opcache.cache_id | "" | `INI_SYSTEM` | Windows only. Available as of PHP 7.4.0
opcache.jit | "disable" | `INI_ALL` | Available as of PHP 8.0.0. Prior to PHP 8.4.0, the default value was "tracing".
opcache.jit_buffer_size | 64M | `INI_SYSTEM` | Available as of PHP 8.0.0. Prior to PHP 8.4.0, the default value was 0.
opcache.jit_debug | 0 | `INI_ALL` | Available as of PHP 8.0.0
opcache.jit_bisect_limit | 0 | `INI_ALL` | Available as of PHP 8.0.0
opcache.jit_prof_threshold | 0.005 | `INI_ALL` | Available as of PHP 8.0.0
opcache.jit_max_root_traces | 1024 | `INI_SYSTEM` | Available as of PHP 8.0.0
opcache.jit_max_side_traces | 128 | `INI_SYSTEM` | Available as of PHP 8.0.0
opcache.jit_max_exit_counters | 8192 | `INI_SYSTEM` | Available as of PHP 8.0.0
opcache.jit_hot_loop | 64 | `INI_SYSTEM` | Available as of PHP 8.0.0
opcache.jit_hot_func | 127 | `INI_SYSTEM` | Available as of PHP 8.0.0
opcache.jit_hot_return | 8 | `INI_SYSTEM` | Available as of PHP 8.0.0
opcache.jit_hot_side_exit | 8 | `INI_SYSTEM` | Available as of PHP 8.0.0
opcache.jit_blacklist_root_trace | 16 | `INI_ALL` | Available as of PHP 8.0.0
opcache.jit_blacklist_side_trace | 8 | `INI_ALL` | Available as of PHP 8.0.0
opcache.jit_max_loop_unrolls | 8 | `INI_ALL` | Available as of PHP 8.0.0
opcache.jit_max_recursive_calls | 2 | `INI_ALL` | Available as of PHP 8.0.0
opcache.jit_max_recursive_returns | 2 | `INI_ALL` | Available as of PHP 8.0.0
opcache.jit_max_polymorphic_calls | 2 | `INI_ALL` | Available as of PHP 8.0.0
open_basedir | `null` | `INI_ALL` |
output_buffering | `"0"` | `INI_PERDIR` |
output_handler | `null` | `INI_PERDIR` |
pcre.backtrack_limit | "1000000" | `INI_ALL` |
pcre.recursion_limit | "100000" | `INI_ALL` |
pcre.jit | "1" | `INI_ALL` |
pdo.dsn.* |  | php.ini only |
pdo_odbc.connection_pooling | "strict" | `INI_ALL` |
pdo_odbc.db2_instance_name | NULL | `INI_SYSTEM` | This deprecated feature will certainly be removed in the future.
pgsql.allow_persistent | "1" | `INI_SYSTEM` |
pgsql.max_persistent | "-1" | `INI_SYSTEM` |
pgsql.max_links | "-1" | `INI_SYSTEM` |
pgsql.auto_reset_persistent | "0" | `INI_SYSTEM` |
pgsql.ignore_notice | "0" | `INI_ALL` |
pgsql.log_notice | "0" | `INI_ALL` |
phar.readonly | "1" | `INI_ALL` |
phar.require_hash | "1" | `INI_ALL` |
phar.cache_list | "" | `INI_SYSTEM` |
post_max_size | `"8M"` | `INI_PERDIR` |
precision | `"14"` | `INI_ALL` |
realpath_cache_size | `"16K"` | `INI_SYSTEM` |
realpath_cache_ttl | `"120"` | `INI_SYSTEM` |
register_argc_argv | `"1"` | `INI_PERDIR` |
report_memleaks | `"1"` | `INI_ALL` |
report_zend_debug | `"1"` | `INI_ALL` |
request_order | `""` | `INI_PERDIR` |
runkit.superglobal | "" | `INI_PERDIR` |
runkit.internal_override | "0" | `INI_SYSTEM` |
sendmail_from | `null` | `INI_ALL` |
sendmail_path | `"/usr/sbin/sendmail -t -i"` | `INI_SYSTEM` |
serialize_precision | `"-1"` | `INI_ALL` | Prior to PHP 7.1.0, the default value was `17`.
session.save_path | "" | `INI_ALL` |
session.name | "PHPSESSID" | `INI_ALL` |
session.save_handler | "files" | `INI_ALL` |
session.auto_start | "0" | `INI_PERDIR` |
session.gc_probability | "1" | `INI_ALL` |
session.gc_divisor | "100" | `INI_ALL` |
session.gc_maxlifetime | "1440" | `INI_ALL` |
session.serialize_handler | "php" | `INI_ALL` |
session.cookie_lifetime | "0" | `INI_ALL` |
session.cookie_path | "/" | `INI_ALL` |
session.cookie_domain | "" | `INI_ALL` |
session.cookie_secure | "0" | `INI_ALL` | Prior to PHP 7.2.0, the default was `""`.
session.cookie_httponly | "0" | `INI_ALL` | Prior to PHP 7.2.0, the default was `""`.
session.cookie_samesite | "" | `INI_ALL` | Available as of PHP 7.3.0.
session.use_strict_mode | "0" | `INI_ALL` |
session.use_cookies | "1" | `INI_ALL` |
session.use_only_cookies | "1" | `INI_ALL` |
session.referer_check | "" | `INI_ALL` |
session.cache_limiter | "nocache" | `INI_ALL` |
session.cache_expire | "180" | `INI_ALL` |
session.use_trans_sid | "0" | `INI_ALL` |
session.trans_sid_tags | "a=href,area=href,frame=src,form=" | `INI_ALL` | Available as of PHP 7.1.0.
session.trans_sid_hosts | `$_SERVER['HTTP_HOST']` | `INI_ALL` | Available as of PHP 7.1.0.
session.sid_length | "32" | `INI_ALL` | Available as of PHP 7.1.0. Deprecated as of PHP 8.4.0.
session.sid_bits_per_character | "4" | `INI_ALL` | Available as of PHP 7.1.0. Deprecated as of PHP 8.4.0.
session.upload_progress.enabled | "1" | `INI_PERDIR` |
session.upload_progress.cleanup | "1" | `INI_PERDIR` |
session.upload_progress.prefix | "upload_progress_" | `INI_PERDIR` |
session.upload_progress.name | "PHP_SESSION_UPLOAD_PROGRESS" | `INI_PERDIR` |
session.upload_progress.freq | "1%" | `INI_PERDIR` |
session.upload_progress.min_freq | "1" | `INI_PERDIR` |
session.lazy_write | "1" | `INI_ALL` |
session.hash_function | "0" | `INI_ALL` | Removed as of PHP 7.1.0.
session.hash_bits_per_character | "4" | `INI_ALL` | Removed as of PHP 7.1.0.
session.entropy_file | "" | `INI_ALL` | Removed as of PHP 7.1.0.
session.entropy_length | "0" | `INI_ALL` | Removed as of PHP 7.1.0.
short_open_tag | `"1"` | `INI_PERDIR` |
SMTP | `"localhost"` | `INI_ALL` |
smtp_port | `"25"` | `INI_ALL` |
soap.wsdl_cache_enabled | 1 | `INI_ALL` |
soap.wsdl_cache_dir | /tmp | `INI_ALL` |
soap.wsdl_cache_ttl | 86400 | `INI_ALL` |
soap.wsdl_cache | 1 | `INI_ALL` |
soap.wsdl_cache_limit | 5 | `INI_ALL` |
sql.safe_mode | `"0"` | `INI_SYSTEM` | Removed as of PHP 7.2.0
sqlite3.extension_dir | "" | `INI_SYSTEM` |
sqlite3.defensive | 1 | `INI_USER` | Available as of PHP 7.2.17 and 7.3.4 for libsqlite ≥ 3.26.0. Prior to PHP 8.2.0 this setting was changeable only as `INI_SYSTEM`.
syslog.facility | `"LOG_USER"` | `INI_SYSTEM` | Available as of PHP 7.3.0.
syslog.filter | `"no-ctrl"` | `INI_ALL` | Available as of PHP 7.3.0.
syslog.ident | `"php"` | `INI_SYSTEM` | Available as of PHP 7.3.0.
sys_temp_dir | `""` | `INI_SYSTEM` |
sysvshm.init_mem | 10000 | `INI_SYSTEM` |
tidy.default_config | "" | `INI_SYSTEM` |
tidy.clean_output | "0" | `INI_USER` |
track_errors | `"0"` | `INI_ALL` | Deprecated as of PHP 7.2.0, removed as of PHP 8.0.0
unserialize_callback_func | `null` | `INI_ALL` |
unserialize_max_depth | "4096" | `INI_ALL` | Available as of PHP 7.4.0.
uploadprogress.file.filename_template | `"/tmp/upt_%s.txt"` | `INI_ALL` |
upload_max_filesize | `"2M"` | `INI_PERDIR` |
max_file_uploads | `20` | `INI_SYSTEM` |
upload_tmp_dir | `null` | `INI_SYSTEM` |
url_rewriter.hosts | `""` | `INI_ALL` | Available as of PHP 7.1.0.
url_rewriter.tags | `"form="` | `INI_ALL` | Prior to PHP 7.1.0, the default value was `"a=href,area=href,frame=src,form=,fieldset="`.
user_agent | `null` | `INI_ALL` |
user_dir | `null` | `INI_SYSTEM` |
user_ini.cache_ttl | `"300"` | `INI_SYSTEM` |
user_ini.filename | `".user.ini"` | `INI_SYSTEM` |
uopz.disable | "0" | `INI_SYSTEM` | Available as of uopz 5.0.2
uopz.exit | "0" | `INI_SYSTEM` | Available as of uopz 6.0.1
uopz.overloads | "1" | `INI_SYSTEM` | Available as of uopz 2.0.2. Removed as of uopz 5.0.0.
variables_order | `"EGPCS"` | `INI_PERDIR` |
windows.show_crt_warning | `"0"` | `INI_ALL` |
xbithack | `"0"` | `INI_ALL` |
xmlrpc_errors | `"0"` | `INI_SYSTEM` |
xmlrpc_error_number | `"0"` | `INI_ALL` |
yaz.keepalive | `"120"` | `INI_ALL` |
yaz.log_mask | `null` | `INI_ALL` | Available as of yaz 1.0.3.
zend.assertions | `"1"` | `INI_ALL` |
zend.detect_unicode | `"1"` | `INI_ALL` |
zend.enable_gc | `"1"` | `INI_ALL` |
zend.max_allowed_stack_size | `"0"` | `INI_SYSTEM` | Available as of PHP 8.3.0
fiber.stack_size |  | `INI_ALL` | Available as of PHP 8.1.0
zend.multibyte | `"0"` | `INI_PERDIR` |
zend.reserved_stack_size | `"0"` | `INI_SYSTEM` | Available as of PHP 8.3.0
zend.script_encoding | `null` | `INI_ALL` |
zend.signal_check | `"0"` | `INI_SYSTEM` |
zend_extension | `null` | php.ini only |
zlib.output_compression | "0" | `INI_ALL` |
zlib.output_compression_level | "-1" | `INI_ALL` |
zlib.output_handler | "" | `INI_ALL` |

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