Use the following constants to manage important settings of your WordPress installation in the wp-config.php file. Learn more about here.

Info	Example
WP Language:	define( ‘WPLANG’, ‘de_DE’ );
WP Force SSL Admin:	define( ‘FORCE_SSL_ADMIN’, true );
WP PHP Memory Limit:	define( ‘WP_MEMORY_LIMIT’, ’64M’ );
WP PHP Max Memory Limit:	define( ‘WP_MAX_MEMORY_LIMIT’, ‘256M’ );
WP Post Revisions:	define( ‘WP_POST_REVISIONS’, false );
WP Autosave Interval:	define( ‘AUTOSAVE_INTERVAL’, 160 );
WP Mail Interval:	define( ‘WP_MAIL_INTERVAL’, 60 );
WP Empty Trash:	define( ‘EMPTY_TRASH_DAYS’, 30 );
WP Media Trash:	define( ‘MEDIA_TRASH’, true );
WP Cleanup Image Edits:	define( ‘IMAGE_EDIT_OVERWRITE’, true );
WP Multisite:	define( ‘WP_ALLOW_MULTISITE’, true );
WP Main Site Domain:	define( ‘DOMAIN_CURRENT_SITE’, ‘www.domain.com‘ );
WP Main Site Path:	define( ‘PATH_CURRENT_SITE’, ‘/path/to/wordpress/’ );
WP Main Site ID:	define( ‘SITE_ID_CURRENT_SITE’, 1 );
WP Main Site Blog ID:	define( ‘BLOG_ID_CURRENT_SITE’, 1 );
WP Allow Subdomain Install:	define( ‘SUBDOMAIN_INSTALL’, true );
WP Allow Subdirectory Install:	define( ‘ALLOW_SUBDIRECTORY_INSTALL’, true );
WP Site Specific Upload Directory:	define( ‘BLOGUPLOADDIR’, ” );
WP Upload Base Directory:	define( ‘UPLOADBLOGSDIR’, ‘wp-content/blogs.dir’ );
WP Load Sunrise:	define( ‘SUNRISE’, true );
WP Debug Mode:	define( ‘WP_DEBUG’, true );
WP Debug Log:	define( ‘WP_DEBUG_LOG’, true );
WP Debug Display:	define( ‘WP_DEBUG_DISPLAY’, true );
WP Script Debug:	define( ‘SCRIPT_DEBUG’, true );
WP Save Queries:	define( ‘SAVEQUERIES’, true );
WP Automatic Updates:	define( ‘AUTOMATIC_UPDATER_DISABLED’, true );
WP Core Updates:	define( ‘WP_AUTO_UPDATE_CORE’, false );
WP Default Theme Updates:	define( ‘CORE_UPGRADE_SKIP_NEW_BUNDLED’, true );
WP Plugin and Theme Editor:	define( ‘DISALLOW_FILE_EDIT’, true );
WP Plugin and Theme Updates:	define( ‘DISALLOW_FILE_MODS’, true );
WP Default Theme:	define( ‘WP_DEFAULT_THEME’, ‘default-theme-folder-name’ );
WP Alternate Cron:	define( ‘ALTERNATE_WP_CRON’, true );
WP Cron:	define( ‘DISABLE_WP_CRON’, true );
WP Cron Lock Timeout:	define( ‘WP_CRON_LOCK_TIMEOUT’, 60 );
WP Cache:	define( ‘WP_CACHE’, true );
WP Concatenate Admin JS/CSS:	define( ‘CONCATENATE_SCRIPTS’, false );
WP Compress Admin JS:	define( ‘COMPRESS_SCRIPTS’, false );
WP Compress Admin CSS:	define( ‘COMPRESS_CSS’, false );
WP Enforce GZip Admin JS/CSS:	define( ‘ENFORCE_GZIP’, true );
WP Allow unfiltered HTML:	define( ‘DISALLOW_UNFILTERED_HTML’, true );
WP Allow unfiltered Uploads:	define( ‘ALLOW_UNFILTERED_UPLOADS’, true );
WP Block External URL Requests:	define( ‘WP_HTTP_BLOCK_EXTERNAL’, true );
WP Redirect Nonexistent Blogs:	define( ‘NOBLOGREDIRECT’, ‘http://example.com‘ );
WP Cookie Domain:	define( ‘COOKIE_DOMAIN’, ‘www.example.com‘ );
WP Cookie Hash:	define( ‘COOKIEHASH’, ” );
WP Auth Cookie:	define( ‘AUTH_COOKIE’, ” );
WP Secure Auth Cookie:	define( ‘SECURE_AUTH_COOKIE’, ” );
WP Cookie Path:	define( ‘COOKIEPATH’, ” );
WP Site Cookie Path:	define( ‘SITECOOKIEPATH’, ” );
WP Admin Cookie Path:	define( ‘ADMIN_COOKIE_PATH’, ” );
WP Plugins Cookie Path:	define( ‘PLUGINS_COOKIE_PATH’, ” );
WP Logged In Cookie:	define( ‘LOGGED_IN_COOKIE’, ” );
WP Test Cookie:	define( ‘TEST_COOKIE’, ” );
WP User Cookie:	define( ‘USER_COOKIE’, ” );
WP Directory Permission:	define( ‘FS_CHMOD_DIR’, ( 0755 & ~ umask() ) );
WP File Permission:	define( ‘FS_CHMOD_FILE’, ( 0644 & ~ umask() ) );
WP FTP Method:	define( ‘FS_METHOD’, ‘ftpext’ );
WP FTP Base:	define( ‘FTP_BASE’, ‘/path/to/wordpress/’ );
WP FTP Content Dir:	define( ‘FTP_CONTENT_DIR’, ‘/path/to/wordpress/wp-content/’ );
WP FTP Plugin Dir:	define( ‘FTP_PLUGIN_DIR ‘, ‘/path/to/wordpress/wp-content/plugins/’ );
WP SSH Public Key:	define( ‘FTP_PUBKEY’, ‘/home/username/.ssh/id_rsa.pub’ );
WP SSH Private Key:	define( ‘FTP_PRIKEY’, ‘/home/username/.ssh/id_rsa’ );
WP FTP Username:	define( ‘FTP_USER’, ‘username’ );
WP FTP Password:	define( ‘FTP_PASS’, ‘password’ );
WP FTP Host:	define( ‘FTP_HOST’, ‘ftp.example.org‘ );
WP FTP SSL:	define( ‘FTP_SSL’, false );
WP Site URL:	define( ‘WP_SITEURL’, ‘http://example.com/wordpress‘ );
WP Home:	define( ‘WP_HOME’, ‘http://example.com‘ );
WP Uploads Path:	define( ‘UPLOADS’, dirname(__FILE__) . ‘wp-content/media’ );
WP Template Path:	define( ‘TEMPLATEPATH’, dirname(__FILE__) . ‘wp-content/themes/theme-folder’ );
WP Stylesheet Path:	define( ‘STYLESHEETPATH’, dirname(__FILE__) . ‘wp-content/themes/theme-folder’ );
WP Content Path:	define( ‘WP_CONTENT_DIR’, dirname(__FILE__) . ‘/blog/wp-content’ );
WP Content URL:	define( ‘WP_CONTENT_URL’, ‘http://example/blog/wp-content‘ );
WP Plugin Path:	define( ‘WP_PLUGIN_DIR’, dirname(__FILE__) . ‘/blog/wp-content/plugins’ );
WP Plugin URL:	define( ‘WP_PLUGIN_URL’, ‘http://example/blog/wp-content/plugins‘ );
WP Language Path:	define( ‘WP_LANG_DIR’, dirname(__FILE__) . ‘/wordpress/languages’ );
WP Temporary Files Path:	define( ‘WP_TEMP_DIR’, dirname(__FILE__) . ‘wp-content/temp’ );

Database

Use the following constants to manage important database settings of your WordPress installation in the wp-config.php file. Learn more about here.

Info	Result	Example
数据库版本:	8.0.16
DB Name:	local	define( ‘DB_NAME’, ‘MyDatabaseName’ );
DB User:	root	define( ‘DB_USER’, ‘MyUserName’ );
DB Host:	localhost	define( ‘DB_HOST’, ‘MyDatabaseHost’ );
DB Password:	***	define( ‘DB_PASSWORD’, ‘MyPassWord’ );
DB Charset:	utf8	define( ‘DB_CHARSET’, ‘utf8’ );
DB Collate:	Not defined	define( ‘DB_COLLATE’, ‘utf8_general_ci’ );
WP Allow DB Repair:	Disabled	define( ‘WP_ALLOW_REPAIR’, true );
WP Disallow Upgrade Global Tables:	Disabled	define( ‘DO_NOT_UPGRADE_GLOBAL_TABLES’, true );
WP Custom User Table:	Not defined	define( ‘CUSTOM_USER_TABLE’, $table_prefix.’my_users’ );
WP Custom User Meta Table:	Not defined	define( ‘CUSTOM_USER_META_TABLE’, $table_prefix.’my_usermeta’ );
WP Display Database Errors:	Disabled	define( ‘DIEONDBERROR’, true );
WP Database Error Log File:	Not defined	define( ‘ERRORLOGFILE’, ‘/absolute-path-to-file/’ );
Table Prefix:	wp_
Table Base Prefix:	wp_ (defined)

Security Keys

Use the following constants to set the security keys for your WordPress installation in the wp-config.php file. Learn more about here.

Info	Result	Example
WP Auth Key:	Defined	define( ‘AUTH_KEY’, ‘MyKey’ );
WP Secure Auth Key:	Defined	define( ‘SECURE_AUTH_KEY’, ‘MyKey’ );
WP Logged In Key:	Defined	define( ‘LOGGED_IN_KEY’, ‘MyKey’ );
WP Nonce Key:	Defined	define( ‘NONCE_KEY’, ‘MyKey’ );
WP Auth Salt:	Defined	define( ‘AUTH_SALT’, ‘MyKey’ );
WP Secure Auth Salt:	Defined	define( ‘SECURE_AUTH_SALT’, ‘MyKey’ );
WP Logged In Auth Salt:	Defined	define( ‘LOGGED_IN_SALT’, ‘MyKey’ );
WP Nonce Salt:	Defined	define( ‘NONCE_SALT’, ‘MyKey’ );