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      php.ini directives
      Appendices
      PHP Manual

      php.ini directives

      Table of Contents

      List of php.ini directives

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

      Configuration options
      Name Default Changeable Changelog
      allow_call_time_pass_reference "1" PHP_INI_PERDIR PHP_INI_ALL in PHP <= 4.0.0. Removed in PHP 6.0.0.
      allow_url_fopen "1" PHP_INI_ALL PHP_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_ALL PHP_INI_SYSTEM in PHP 5. Available since PHP 5.2.0.
      always_populate_raw_post_data "0" PHP_INI_PERDIR PHP_INI_ALL in PHP <= 4.2.3. Available since PHP 4.1.0.
      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 "&" PHP_INI_ALL Removed in PHP 4.0.6.
      arg_separator.input "&" PHP_INI_PERDIR Available since PHP 4.0.5.
      arg_separator.output "&" PHP_INI_ALL Available since PHP 4.0.5.
      asp_tags "0" PHP_INI_PERDIR PHP_INI_ALL in PHP <= 4.0.0.
      assert.active "1" PHP_INI_ALL  
      assert.bail "0" PHP_INI_ALL  
      assert.callback NULL PHP_INI_ALL  
      assert.quiet_eval "0" PHP_INI_ALL  
      assert.warning "1" PHP_INI_ALL  
      async_send "0" PHP_INI_ALL Available since PHP 4.2.0. Removed in PHP 4.3.0.
      auto_append_file NULL PHP_INI_PERDIR PHP_INI_ALL in PHP <= 4.2.3.
      auto_detect_line_endings "0" PHP_INI_ALL Available since PHP 4.3.0.
      auto_globals_jit "1" PHP_INI_PERDIR Available since PHP 5.0.0.
      auto_prepend_file NULL PHP_INI_PERDIR PHP_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_ALL Available since bcompiler 0.8.
      birdstep.max_links "-1" PHP_INI_ALL Available since PHP 4.2.0.
      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. Available since PHP 4.3.0.
      cgi.force_redirect "1" PHP_INI_SYSTEM PHP_INI_ALL in PHP <= 5.2.0. Available since PHP 4.2.0.
      cgi.nph "0" PHP_INI_ALL Available since PHP 4.3.5.
      cgi.redirect_status_env NULL PHP_INI_SYSTEM PHP_INI_ALL in PHP <= 5.2.0. Available since PHP 4.2.0.
      cgi.rfc2616_headers "0" PHP_INI_ALL Available since PHP 4.3.0.
      child_terminate "0" PHP_INI_ALL Available since PHP 4.0.5.
      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 Available since PHP 4.0.5.
      com.autoregister_casesensitive "1" PHP_INI_ALL PHP_INI_SYSTEM in PHP 4. Available since PHP 4.1.0.
      com.autoregister_typelib "0" PHP_INI_ALL PHP_INI_SYSTEM in PHP 4. Available since PHP 4.1.0.
      com.autoregister_verbose "0" PHP_INI_ALL PHP_INI_SYSTEM in PHP 4. Available since PHP 4.1.0.
      com.code_page "" PHP_INI_ALL Available since PHP 5.0.0.
      com.typelib_file "" PHP_INI_SYSTEM Available since PHP 4.0.5.
      crack.default_dictionary NULL PHP_INI_PERDIR PHP_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_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 Available since PHP 5.0.0.
      date.default_longitude "35.2333" PHP_INI_ALL Available since PHP 5.0.0.
      date.sunrise_zenith "90.583333" PHP_INI_ALL Available since PHP 5.0.0.
      date.sunset_zenith "90.583333" PHP_INI_ALL Available since PHP 5.0.0.
      date.timezone "" PHP_INI_ALL Available since PHP 5.1.0.
      dba.default_handler "" PHP_INI_ALL Available since PHP 4.3.3.
      dbx.colnames_case "unchanged" PHP_INI_SYSTEM Available 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_ALL Available since PHP 4.3.0.
      define_syslog_variables "0" PHP_INI_ALL  
      detect_unicode "1" PHP_INI_ALL Available since PHP 5.1.0. Removed in PHP 6.0.0.
      disable_classes "" php.ini only Available since PHP 4.3.2.
      disable_functions "" php.ini only Available since PHP 4.0.1.
      display_errors "1" PHP_INI_ALL  
      display_startup_errors "0" PHP_INI_ALL Available since PHP 4.0.3.
      docref_ext "" PHP_INI_ALL Available since PHP 4.3.2.
      docref_root "" PHP_INI_ALL Available since PHP 4.3.0.
      doc_root NULL PHP_INI_SYSTEM  
      enable_dl "1" PHP_INI_SYSTEM Removed in PHP 6.0.0.
      engine "1" PHP_INI_ALL Available since PHP 4.0.5.
      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  
      etpan.default.charset "utf-8" PHP_INI_ALL  
      etpan.default.protocol "imap" PHP_INI_ALL  
      exif.decode_jis_intel "JIS" PHP_INI_ALL Available since PHP 4.3.0.
      exif.decode_jis_motorola "JIS" PHP_INI_ALL Available since PHP 4.3.0.
      exif.decode_unicode_intel "UCS-2LE" PHP_INI_ALL Available since PHP 4.3.0.
      exif.decode_unicode_motorola "UCS-2BE" PHP_INI_ALL Available since PHP 4.3.0.
      exif.encode_jis "" PHP_INI_ALL Available since PHP 4.3.0.
      exif.encode_unicode "ISO-8859-15" PHP_INI_ALL Available 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_SYSTEM PHP_INI_ALL in PHP <= 5.2.0. Available since PHP 4.3.0.
      fastcgi.logging "1" PHP_INI_SYSTEM PHP_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_SYSTEM Available since PHP 4.0.6. Removed in PHP 4.2.0.
      fbsql.allow_persistent "1" PHP_INI_SYSTEM Available since PHP 4.2.0.
      fbsql.autocommit "1" PHP_INI_SYSTEM Available since PHP 4.0.6.
      fbsql.batchSize "1000" PHP_INI_SYSTEM Available since PHP 4.2.0. Removed in PHP 5.1.0.
      fbsql.batchsize "1000" PHP_INI_ALL Available since PHP 5.1.0.
      fbsql.default_database "" PHP_INI_SYSTEM Available since PHP 4.0.6.
      fbsql.default_database_password "" PHP_INI_SYSTEM Available since PHP 4.0.6.
      fbsql.default_host NULL PHP_INI_SYSTEM Available since PHP 4.0.6.
      fbsql.default_password "" PHP_INI_SYSTEM Available since PHP 4.0.6.
      fbsql.default_user "_SYSTEM" PHP_INI_SYSTEM Available since PHP 4.0.6.
      fbsql.generate_warnings "0" PHP_INI_SYSTEM Available since PHP 4.0.6.
      fbsql.max_connections "128" PHP_INI_SYSTEM Available since PHP 4.0.6.
      fbsql.max_links "128" PHP_INI_SYSTEM Available since PHP 4.0.6.
      fbsql.max_persistent "-1" PHP_INI_SYSTEM Available since PHP 4.0.6.
      fbsql.max_results "128" PHP_INI_SYSTEM Available since PHP 4.0.6.
      fbsql.mbatchSize "1000" PHP_INI_SYSTEM Available since PHP 4.0.6. Removed in PHP 4.2.0.
      fbsql.show_timestamp_decimals "0" PHP_INI_SYSTEM Available since PHP 5.1.5.
      file_uploads "1" PHP_INI_SYSTEM PHP_INI_ALL in PHP <= 4.2.3. Available since PHP 4.0.3.
      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 "0" 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.
      gpc_order "GPC" PHP_INI_ALL Removed in PHP 5.0.0.
      hidef.ini_path (char*)default_ini_path PHP_INI_SYSTEM  
      highlight.bg "#FFFFFF" PHP_INI_ALL Removed 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_ALL PHP_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_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 Avai

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