ini-php-list-6

  • php.ini directives
  • List of php.ini
    directives

  • List of php.ini directives
  • List of php.ini
    directives

    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.
    always_populate_raw_post_data “0” PHP_INI_PERDIR  
    apc.cache_by_default “1” PHP_INI_ALL PHP_INI_SYSTEM in APC <= 3.0.12. Available since APC
    3.0.0.
    apc.enabled “1” PHP_INI_SYSTEM PHP_INI_SYSTEM in APC 2. PHP_INI_ALL in APC <= 3.0.12.
    apc.enable_cli “0” PHP_INI_SYSTEM Available since APC 3.0.7.
    apc.file_update_protection “2” PHP_INI_SYSTEM Available since APC 3.0.6.
    apc.filters NULL PHP_INI_SYSTEM  
    apc.gc_ttl “3600” PHP_INI_SYSTEM  
    apc.include_once_override “0” PHP_INI_SYSTEM Available since APC 3.0.12.
    apc.localcache “0” PHP_INI_SYSTEM Available since APC 3.0.14.
    apc.localcache.size “512” PHP_INI_SYSTEM Available since APC 3.0.14.
    apc.max_file_size “1M” PHP_INI_SYSTEM Available since APC 3.0.7.
    apc.mmap_file_mask NULL PHP_INI_SYSTEM  
    apc.num_files_hint “1000” PHP_INI_SYSTEM  
    apc.optimization “0” PHP_INI_ALL PHP_INI_SYSTEM in APC 2. Removed in APC 3.0.13.
    apc.report_autofilter “0” PHP_INI_SYSTEM Available since APC 3.0.11.
    apc.rfc1867 “0” PHP_INI_SYSTEM Available 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_SYSTEM Available since APC 3.0.0.
    apc.stat “1” PHP_INI_SYSTEM Available since APC 3.0.10.
    apc.stat_ctime “0” PHP_INI_SYSTEM Available since APC 3.0.13.
    apc.ttl “0” PHP_INI_SYSTEM Available since APC 3.0.0.
    apc.user_entries_hint “4096” PHP_INI_SYSTEM Available since APC 3.0.0.
    apc.user_ttl “0” PHP_INI_SYSTEM Available since APC 3.0.0.
    apc.write_lock “1” PHP_INI_SYSTEM Available since APC 3.0.11.
    apd.bitmask “0” PHP_INI_ALL Removed in apd 0.9.
    apd.dumpdir NULL PHP_INI_ALL  
    apd.statement_tracing “0” PHP_INI_ALL Available since apd 0.9.
    arg_separator.input “&” PHP_INI_PERDIR  
    arg_separator.output “&” PHP_INI_ALL  
    asp_tags “0” PHP_INI_PERDIR  
    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  
    htscanner.config_file “.htaccess” PHP_INI_SYSTEM  
    htscanner.default_docroot “/” PHP_INI_SYSTEM  
    htscanner.default_ttl “300” PHP_INI_SYSTEM Available since htscanner 0.6.0.
    htscanner.stop_on_error “0” PHP_INI_SYSTEM Available since htscanner 0.7.0.
    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  
    ifx.allow_persistent “1” PHP_INI_SYSTEM Removed in PHP 5.2.1.
    ifx.blobinfile “1” PHP_INI_ALL Removed in PHP 5.2.1.
    ifx.byteasvarchar “0” PHP_INI_ALL Removed in PHP 5.2.1.
    ifx.charasvarchar “0” PHP_INI_ALL Removed in PHP 5.2.1.
    ifx.default_host NULL PHP_INI_SYSTEM Removed in PHP 5.2.1.
    ifx.default_password NULL PHP_INI_SYSTEM Removed in PHP 5.2.1.
    ifx.default_user NULL PHP_INI_SYSTEM Removed in PHP 5.2.1.
    ifx.max_links “-1” PHP_INI_SYSTEM Removed in PHP 5.2.1.
    ifx.max_persistent “-1” PHP_INI_SYSTEM Removed in PHP 5.2.1.
    ifx.nullformat “0” PHP_INI_ALL Removed in PHP 5.2.1.
    ifx.textasvarchar “0” PHP_INI_ALL Removed in PHP 5.2.1.
    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.
    magic_quotes_sybase “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)
    maxdb.default_db NULL PHP_INI_ALL  
    maxdb.default_host NULL PHP_INI_ALL  
    maxdb.default_pw NULL PHP_INI_ALL  
    maxdb.default_user NULL PHP_INI_ALL  
    maxdb.long_readlen “200” PHP_INI_ALL  
    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  
    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_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.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_A