wp_install

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Summery Summery

Installs the site.

Syntax Syntax

wp_install( string $blog_title, string $user_name, string $user_email, bool $public, string $deprecated = '', string $user_password = '', string $language = '' )

Description Description

Runs the required functions to set up and populate the database, including primary admin user and initial options.

Parameters Parameters

$blog_title

(string) (Required) Site title.

$user_name

(string) (Required) User's username.

$user_email

(string) (Required) User's email.

$public

(bool) (Required) Whether site is public.

$deprecated

(string) (Optional) Not used.

Default value: ''

$user_password

(string) (Optional) User's chosen password. Default empty (random password).

Default value: ''

$language

(string) (Optional) Language chosen.

Default value: ''

Return Return

(array) Data for the newly installed site.

  • 'url'
    (string) The URL of the site.
  • 'user_id'
    (int) The ID of the site owner.
  • 'password'
    (string) The password of the site owner, if their user account didn't already exist.
  • 'password_message'
    (string) The explanatory message regarding the password.

Source Source

File: wp-admin/includes/upgrade.php

	function wp_install( $blog_title, $user_name, $user_email, $public, $deprecated = '', $user_password = '', $language = '' ) {
		if ( ! empty( $deprecated ) ) {
			_deprecated_argument( __FUNCTION__, '2.6.0' );
		}

		wp_check_mysql_version();
		wp_cache_flush();
		make_db_current_silent();
		populate_options();
		populate_roles();

		update_option( 'blogname', $blog_title );
		update_option( 'admin_email', $user_email );
		update_option( 'blog_public', $public );

		// Freshness of site - in the future, this could get more specific about actions taken, perhaps.
		update_option( 'fresh_site', 1 );

		if ( $language ) {
			update_option( 'WPLANG', $language );
		}

		$guessurl = wp_guess_url();

		update_option( 'siteurl', $guessurl );

		// If not a public site, don't ping.
		if ( ! $public ) {
			update_option( 'default_pingback_flag', 0 );
		}

		/*
		 * Create default user. If the user already exists, the user tables are
		 * being shared among sites. Just set the role in that case.
		 */
		$user_id        = username_exists( $user_name );
		$user_password  = trim( $user_password );
		$email_password = false;
		$user_created   = false;

		if ( ! $user_id && empty( $user_password ) ) {
			$user_password = wp_generate_password( 12, false );
			$message       = __( '<strong><em>Note that password</em></strong> carefully! It is a <em>random</em> password that was generated just for you.' );
			$user_id       = wp_create_user( $user_name, $user_password, $user_email );
			update_user_option( $user_id, 'default_password_nag', true, true );
			$email_password = true;
			$user_created   = true;
		} elseif ( ! $user_id ) {
			// Password has been provided.
			$message      = '<em>' . __( 'Your chosen password.' ) . '</em>';
			$user_id      = wp_create_user( $user_name, $user_password, $user_email );
			$user_created = true;
		} else {
			$message = __( 'User already exists. Password inherited.' );
		}

		$user = new WP_User( $user_id );
		$user->set_role( 'administrator' );

		if ( $user_created ) {
			$user->user_url = $guessurl;
			wp_update_user( $user );
		}

		wp_install_defaults( $user_id );

		wp_install_maybe_enable_pretty_permalinks();

		flush_rewrite_rules();

		wp_new_blog_notification( $blog_title, $guessurl, $user_id, ( $email_password ? $user_password : __( 'The password you chose during installation.' ) ) );

		wp_cache_flush();

		/**
		 * Fires after a site is fully installed.
		 *
		 * @since 3.9.0
		 *
		 * @param WP_User $user The site owner.
		 */
		do_action( 'wp_install', $user );

		return array(
			'url'              => $guessurl,
			'user_id'          => $user_id,
			'password'         => $user_password,
			'password_message' => $message,
		);
	}

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Changelog Changelog

Changelog
Version Description
2.1.0 Introduced.

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