wp_install_defaults( int $user_id )

178	function wp_install_defaults( $user_id ) {179		global $wpdb, $wp_rewrite, $table_prefix;180 181		// Default category.182		$cat_name = __( 'Uncategorized' );183		/* translators: Default category slug. */184		$cat_slug = sanitize_title( _x( 'Uncategorized', 'Default category slug' ) );185 186		$cat_id = 1;187 188		$wpdb->insert(189			$wpdb->terms,190			array(191				'term_id'    => $cat_id,192				'name'       => $cat_name,193				'slug'       => $cat_slug,194				'term_group' => 0,195			)196		);197		$wpdb->insert(198			$wpdb->term_taxonomy,199			array(200				'term_id'     => $cat_id,201				'taxonomy'    => 'category',202				'description' => '',203				'parent'      => 0,204				'count'       => 1,205			)206		);207		$cat_tt_id = $wpdb->insert_id;208 209		// First post.210		$now             = current_time( 'mysql' );211		$now_gmt         = current_time( 'mysql', 1 );212		$first_post_guid = get_option( 'home' ) . '/?p=1';213 214		if ( is_multisite() ) {215			$first_post = get_site_option( 'first_post' );216 217			if ( ! $first_post ) {218				$first_post = "<!-- wp:paragraph -->\n<p>" .219				/* translators: First post content. %s: Site link. */220				__( 'Welcome to %s. This is your first post. Edit or delete it, then start writing!' ) .221				"</p>\n<!-- /wp:paragraph -->";222			}223 224			$first_post = sprintf(225				$first_post,226				sprintf( '<a href="%s">%s</a>', esc_url( network_home_url() ), get_network()->site_name )227			);228 229			// Back-compat for pre-4.4.230			$first_post = str_replace( 'SITE_URL', esc_url( network_home_url() ), $first_post );231			$first_post = str_replace( 'SITE_NAME', get_network()->site_name, $first_post );232		} else {233			$first_post = "<!-- wp:paragraph -->\n<p>" .234			/* translators: First post content. %s: Site link. */235			__( 'Welcome to WordPress. This is your first post. Edit or delete it, then start writing!' ) .236			"</p>\n<!-- /wp:paragraph -->";237		}238 239		$wpdb->insert(240			$wpdb->posts,241			array(242				'post_author'           => $user_id,243				'post_date'             => $now,244				'post_date_gmt'         => $now_gmt,245				'post_content'          => $first_post,246				'post_excerpt'          => '',247				'post_title'            => __( 'Hello world!' ),248				/* translators: Default post slug. */249				'post_name'             => sanitize_title( _x( 'hello-world', 'Default post slug' ) ),250				'post_modified'         => $now,251				'post_modified_gmt'     => $now_gmt,252				'guid'                  => $first_post_guid,253				'comment_count'         => 1,254				'to_ping'               => '',255				'pinged'                => '',256				'post_content_filtered' => '',257			)