Title: Hierarchical data structure Last modified: June 18, 2020 --- # Hierarchical data structure * Resolved [Fiable.biz](https://wordpress.org/support/users/fiablebiz/) * (@fiablebiz) * [5 years, 11 months ago](https://wordpress.org/support/topic/hierarchical-data-structure/) * Hello. * I’m new to pods and would like to imitate the following law site, in simpler: [legifrance: block with 1 article](https://www.legifrance.gouv.fr/affichCode.do?idSectionTA=LEGISCTA000030461892&cidTexte=LEGITEXT000006073984&dateTexte=vig), [legifrance : block with 2 articles](https://www.legifrance.gouv.fr/affichCode.do?idSectionTA=LEGISCTA000006128455&cidTexte=LEGITEXT000006073984&dateTexte=vig). At this stage, ignore the sidebar (versioning and rolling table of content). You will note a path (“chemin”, in French) at the top, and hyperlinks to children pages below the article(s). Moreover, if you click on “Code des assurances” ( after “chemin”), the legal text name (in this case “code of insurance”), you get a table of contents of the text: [table of contents](https://www.legifrance.gouv.fr/affichCode.do?cidTexte=LEGITEXT000006073984&dateTexte=vig). At the bottom, you have 2 links: “<< Bloc précédent – Bloc suivant >>”, meaning“ previous block (of articles)” and “next block”. So blocks may have their own articles, as well as children blocks. I created advanced custom content types for articles, for blocks and for legal texts, with bi-directional relationship fields between a legal text and its blocks, between a block and its articles, between a block and the next block. I will also need a bidirectional relationship between a block and its children blocks. My problem is how to manage the order? For instance, for a block, I want to list its children IN THE RIGHT ORDER (i. e. the order they have in the legal text itself). Unlike legifrance, I don’t intend to enter full legal texts inside my database, but only extracts, plus the titles of big parts, and I don’t want to renumber manually the blocks or articles each time I insert a new one between 2 ones which are already in the database. Ideally, I would like the articles and blocks to get ordered automatically according to their official legal number. For instance, L300-1 is before L364- 2 but after L127-2-1. Would you have any advice for the data structure? * Thank you in advance. Viewing 3 replies - 1 through 3 (of 3 total) * Plugin Author [Jory Hogeveen](https://wordpress.org/support/users/keraweb/) * (@keraweb) * [5 years, 11 months ago](https://wordpress.org/support/topic/hierarchical-data-structure/#post-13003526) * I’d advice to go for PHP and not Pods templates. With WP_Query parameters you can easily set custom sorting by various type of attributes/properties. More info on WP_Query: [https://developer.wordpress.org/reference/classes/wp_query/](https://developer.wordpress.org/reference/classes/wp_query/) * Cheers, Jory * Thread Starter [Fiable.biz](https://wordpress.org/support/users/fiablebiz/) * (@fiablebiz) * [5 years, 9 months ago](https://wordpress.org/support/topic/hierarchical-data-structure/#post-13183251) * Hello. I don’t understand why I was not notified when you posted. Thank you very much. Do you mean I shouldn’t use Pods at all? I need new fields and, later on, I would like to use that legal database in more than one website. So Pods advanced content type seemed to me an appropriate tool. * Plugin Author [Jory Hogeveen](https://wordpress.org/support/users/keraweb/) * (@keraweb) * [5 years, 9 months ago](https://wordpress.org/support/topic/hierarchical-data-structure/#post-13185259) * Hi [@fiablebiz](https://wordpress.org/support/users/fiablebiz/) * No you’d still need Pods for the creation and management of fields. Also, I missed that you were using advanced content types. In that case you cannot use WP_Query. Please check Pods find: [https://docs.pods.io/code/pods/find/](https://docs.pods.io/code/pods/find/) You do need some SQL knowledge to continue with this though as this will result in some more complex `where` statements. * Cheers, Jory Viewing 3 replies - 1 through 3 (of 3 total) The topic ‘Hierarchical data structure’ is closed to new replies. * ![](https://ps.w.org/pods/assets/icon.svg?rev=3286397) * [Pods - Custom Content Types and Fields](https://wordpress.org/plugins/pods/) * [Frequently Asked Questions](https://wordpress.org/plugins/pods/#faq) * [Support Threads](https://wordpress.org/support/plugin/pods/) * [Active Topics](https://wordpress.org/support/plugin/pods/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/pods/unresolved/) * [Reviews](https://wordpress.org/support/plugin/pods/reviews/) ## Tags * [bidirectional](https://wordpress.org/support/topic-tag/bidirectional/) * [cpt](https://wordpress.org/support/topic-tag/cpt/) * [data structure](https://wordpress.org/support/topic-tag/data-structure/) * [Relationship](https://wordpress.org/support/topic-tag/relationship/) * 3 replies * 2 participants * Last reply from: [Jory Hogeveen](https://wordpress.org/support/users/keraweb/) * Last activity: [5 years, 9 months ago](https://wordpress.org/support/topic/hierarchical-data-structure/#post-13185259) * Status: resolved