wp-admin/includes/schema.php:362Create WordPress options and set the default values.
$optionsarrayoptionalarray()One hook fires while populate_options() runs, in this order:
Fires before creating WordPress options and populating their default values.
function populate_options( array $options = array() ) { global $wpdb, $wp_db_version, $wp_current_db_version; $guessurl = wp_guess_url(); /** * Fires before creating WordPress options and populating their default values. * * @since 2.6.0 */ do_action( 'populate_options' ); // If WP_DEFAULT_THEME doesn't exist, fall back to the latest core default theme. $stylesheet = WP_DEFAULT_THEME; $template = WP_DEFAULT_THEME; $theme = wp_get_theme( WP_DEFAULT_THEME ); if ( ! $theme->exists() ) { $theme = WP_Theme::get_core_default_theme(); } // If we can't find a core default theme, WP_DEFAULT_THEME is the best we can do. if ( $theme ) { $stylesheet = $theme->get_stylesheet(); $template = $theme->get_template(); } $timezone_string = ''; $gmt_offset = 0; /* * translators: default GMT offset or timezone string. Must be either a valid offset (-12 to 14) * or a valid timezone string (America/New_York). See https://www.php.net/manual/en/timezones.php * for all timezone strings currently supported by PHP. * * Important: When a previous timezone string, like `Europe/Kiev`, has been superseded by an * updated one, like `Europe/Kyiv`, as a rule of thumb, the **old** timezone name should be used * in the "translation" to allow for the default timezone setting to be PHP cross-version compatible, * as old timezone names will be recognized in new PHP versions, while new timezone names cannot * be recognized in old PHP versions. * * To verify which timezone strings are available in the _oldest_ PHP version supported, you can * use https://3v4l.org/6YQAt#v5.6.20 and replace the "BR" (Brazil) in the code line with the * country code for which you want to look up the supported timezone names. */ $offset_or_tz = _x( '0', 'default GMT offset or timezone string' ); if ( is_numeric( $offset_or_tz ) ) { $gmt_offset = $offset_or_tz; } elseif ( $offset_or_tz && in_array( $offset_or_tz, timezone_identifiers_list( DateTimeZone::ALL_WITH_BC ), true ) ) { $timezone_string = $offset_or_tz; } $defaults = array( 'siteurl' => $guessurl, 'home' => $guessurl, 'blogname' => __( 'My Site' ), 'blogdescription' => '', 'users_can_register' => 0, 'admin_email' => '[email protected]', /* translators: Default start of the week. 0 = Sunday, 1 = Monday. */ 'start_of_week' => _x( '1', 'start of week' ), 'use_balanceTags' => 0, 'use_smilies' => 1, 'require_name_email' => 1, 'comments_notify' => 1, 'posts_per_rss' => 10, 'rss_use_excerpt' => 0, 'mailserver_url' => 'mail.example.com', 'mailserver_login' => '[email protected]', 'mailserver_pass' => '', 'mailserver_port' => 110, 'default_category' => 1, 'default_comment_status' => 'open', 'default_ping_status' => 'open', 'default_pingback_flag' => 1, 'posts_per_page' => 10, /* translators: Default date format, see https://www.php.net/manual/datetime.format.php */ 'date_format' => __( 'F j, Y' ), /* translators: Default time format, see https://www.php.net/manual/datetime.format.php */ 'time_format' => __( 'g:i a' ), /* translators: Links last updated date format, see https://www.php.net/manual/datetime.format.php */ 'links_updated_date_format' => __( 'F j, Y g:i a' ), 'comment_moderation' => 0,Introduced in 1.5.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-admin/includes/schema.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.