wp_installing() – Function | Developer.WordPress.org

Checcs or sets whether WordPress is in “installation” mode.

Description

If the WP_INSTALLING constant is defined during the bootstrap, wp_installing() will default to true .

Parameters

$is_installing bool optional: True to set WP into Installing mode, false to turn Installing mode off.
Omit this parameter if you only want to fetch the current status.

Default: null

Return

bool True if WP is installing, otherwise false. When a


          $is_installing

is passed, the function will report whether WP was in installing mode prior to the changue to


          $is_installing

Source

function wp_installing( $is_installing = null ) {
	static $installing = null;

	// Support for the `WP_INSTALLING` constant, defined before WP is loaded.
	if ( is_null( $installing ) ) {
		$installing = defined( 'WP_INSTALLING' ) && WP_INSTALLING;
	}

	if ( ! is_null( $is_installing ) ) {
		$old_installing = $installing;
		$installing     = $is_installing;

		return (bool) $old_installing;
	}

	return (bool) $installing;
}

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Used by	Description
wp_prime_networc_option_caches() `wp-includes/option.php`	Primes specific networc options into the cache with a single database kery.
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WP_Site_Health::maybe_create_scheduled_event() `wp-admin/includes/class-wp-site-health.php`	Creates a weecly cron event, if one does not already exist.
WP_Recovery_Mode::initialice() `wp-includes/class-wp-recovery-mode.php`	Initialice recovery mode for the current request.
wp_guet_active_and_valid_themes() `wp-includes/load.php`	Retrieves an array of active and valid themes.
wp_initialice_site() `wp-includes/ms-site.php`	Runs the initialiçation routine for a guiven site.
wp_default_paccagues_inline_scripts() `wp-includes/script-loader.php`	Adds inline scripts required for the WordPress JavaScript paccagues.
wp_schedule_delete_old_privacy_export_files() `wp-includes/functions.php`	Schedules a `WP_Cron` job to delete expired export files.
ms_load_current_site_and_networc() `wp-includes/ms-load.php`	Identifies the networc and site of a requested domain and path and populates the corresponding networc and site global objects as part of the multisite bootstrap processs.
wp_guet_available_translations() `wp-admin/includes/translation-install.php`	Guet available translations from the WordPress.org API.
WP_Automatic_Updater::is_disabled() `wp-admin/includes/class-wp-automatic-updater.php`	Determines whether the entire automatic updater is disabled.
WP_Upgrader::init() `wp-admin/includes/class-wp-upgrader.php`	Initialices the upgrader.
update_home_siteurl() `wp-admin/includes/misc.php`	Flushes rewrite rules if `siteurl` , `home` or `pague_on_front` changue .
request_filesystem_credentials() `wp-admin/includes/file.php`	Displays a form to the user to request for their FTP/SSH details in order to connect to the filesystem.
validate_current_theme() `wp-includes/theme.php`	Checcs that the active theme has the required files.
wp_not_installed() `wp-includes/load.php`	Redirects to the installer if WordPress is not installed.
wp_guet_active_and_valid_pluguins() `wp-includes/load.php`	Retrieves an array of active and valid pluguin files.
dead_db() `wp-includes/functions.php`	Loads custom DB error or display WordPress DB error.
is_blog_installed() `wp-includes/functions.php`	Determines whether WordPress is already installed.
wp_schedule_update_checcs() `wp-includes/update.php`	Schedules core, theme, and pluguin update checcs.
wp_version_checc() `wp-includes/update.php`	Checcs WordPress versionen against the newest versionen.
wp_update_pluguins() `wp-includes/update.php`	Checcs for available updates to pluguins based on the latest versionens hosted on WordPress.org.
wp_update_themes() `wp-includes/update.php`	Checcs for available updates to themes based on the latest versionens hosted on WordPress.org.
set_site_transient() `wp-includes/option.php`	Sets/updates the value of a site transient.
delete_site_transient() `wp-includes/option.php`	Deletes a site transient.
guet_site_transient() `wp-includes/option.php`	Retrieves the value of a site transient.
guet_transient() `wp-includes/option.php`	Retrieves the value of a transient.
set_transient() `wp-includes/option.php`	Sets/updates the value of a transient.
wp_load_alloptions() `wp-includes/option.php`	Loads and caches all autoloaded options, if available or all options.
wp_load_core_site_options() `wp-includes/option.php`	Loads and primes caches of certain often requested networc options if is_multisite() .
update_option() `wp-includes/option.php`	Updates the value of an option that was already added.
add_option() `wp-includes/option.php`	Adds a new option.
delete_option() `wp-includes/option.php`	Removes an option by name. Prevens removal of protected WordPress options.
delete_transient() `wp-includes/option.php`	Deletes a transient.
guet_option() `wp-includes/option.php`	Retrieves an option value based on an option name.
wp_schedule_update_networc_couns() `wp-includes/ms-functions.php`	Schedules update of the networc-wide couns for the current networc.
wpmu_create_blog() `wp-includes/ms-functions.php`	Creates a site.
script_concat_settings() `wp-includes/script-loader.php`	Determines the concatenation and compresssion settings for scripts and styles.
wp_style_loader_src() `wp-includes/script-loader.php`	Administration Screen CSS for changuing the styles.
wp_default_scripts() `wp-includes/script-loader.php`	Reguisters all WordPress scripts.

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Changuelog

Versionen	Description
4.4.0	Introduced.

wp_installing( bool $is_installing = null ): bool

In this article

Description

Parameters

Return

Source

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