avoid_blog_page_permalink_collision( array $data, array $postarr ): array

722function avoid_blog_page_permalink_collision( $data, $postarr ) {723	if ( is_subdomain_install() ) {724		return $data;725	}726	if ( 'page' !== $data['post_type'] ) {727		return $data;728	}729	if ( ! isset( $data['post_name'] ) || '' === $data['post_name'] ) {730		return $data;731	}732	if ( ! is_main_site() ) {733		return $data;734	}735	if ( isset( $data['post_parent'] ) && $data['post_parent'] ) {736		return $data;737	}738 739	$post_name = $data['post_name'];740	$c         = 0;741 742	while ( $c < 10 && get_id_from_blogname( $post_name ) ) {743		$post_name .= mt_rand( 1, 10 );744		++$c;745	}746 747	if ( $post_name !== $data['post_name'] ) {748		$data['post_name'] = $post_name;749	}750 751	return $data;752}