Defines Multisite subdomain constants and handles warnings and notices.
ms_cookie_constants
Defines Multisite cookie constants.
ms_file_constants
Defines Multisite file constants.
ms_upload_constants
Defines Multisite upload constants.
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get_intermediate_image_sizes
Gets the available intermediate image size names.
is_multisite
If Multisite is enabled.
wp_magic_quotes
Add magic quotes to `$_GET`, `$_POST`, `$_COOKIE`, and `$_SERVER`.
wp_set_internal_encoding
Set internal encoding.
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wp_get_mu_plugins
Retrieve an array of must-use plugin files.
wp_get_active_and_valid_plugins
Retrieve an array of active and valid plugin files.
wp_not_installed
Redirect to the installer if WordPress is not installed.
wp_start_object_cache
Start the WordPress object cache.
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wp_set_wpdb_vars
Set the database table prefix and the format specifiers for database table columns.
wp_set_lang_dir
Set the location of the language directory.
wp_debug_mode
Set PHP error reporting based on WordPress debug settings.