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Posts 2 Posts icon

Posts 2 Posts

v1.7.5
by scribu · 4.8 (100 reviews)

Efficient many-to-many connections between posts, pages, custom post types, users.

10K+ active installs Updated Feb 19, 2025 Tested to 6.7.2 Requires PHP 5.6
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About Posts 2 Posts

This plugin allows you to create many-to-many relationships between different types of posts, such as manually curated lists or product connections. It also allows you to create many-to-many relationships between posts and users, such as favorite posts or multiple authors per post. The plugin is no longer supported by the original developer, but you can find documentation and updates on the author's website.

Screenshots

Posts 2 Posts screenshot
Posts 2 Posts screenshot
Posts 2 Posts screenshot
Posts 2 Posts screenshot
Posts 2 Posts screenshot

Frequently asked questions

What is Posts 2 Posts?
Posts 2 Posts is a WordPress plugin that enables efficient many-to-many connections between various content types, including posts, pages, custom post types, and users.
What are some example uses for Posts 2 Posts?
Example use cases include creating manually curated lists of related posts, post series, connecting products to retailers, and implementing favorite posts for users or multiple authors per post.
Who maintains Posts 2 Posts?
AyeCode Ltd has committed to providing security and maintenance updates for the plugin. The original author, scribu, no longer offers support for the plugin.
Where can I find documentation for Posts 2 Posts?
Documentation for Posts 2 Posts is available through a dedicated link. Users can also find plugin news and visit the author's site.

Changelog

1.7.5 – 2025-02-19

  • Function _load_textdomain_just_in_time was called incorrectly – FIXED

1.7.4 – 2024-08-21

  • WordPress v6.6 compatibility check – CHANGED

1.7.3 – 2024-04-11

  • WordPress v6.5 compatibility check – CHANGED

1.7.2 – 2023-09-14

  • PHP 8.2 deprecated notices – FIXED

1.7.1 – 2023-07-31

  • PHP deprecated notice “Creation of dynamic property” – FIXED
  • Unable to delete user connection after WordPress v6.1 – FIXED

1.7 – 2023-05-23

  • Update Mustache package to support PHP 8.

1.6.6

  • AyeCode Ltd have committed to security and maintenance updates – INFO
  • Deprecated PHP notices showing with latest WordPress – FIXED

1.6.5

  • fixed error when Mustache is already loaded. props ApatheticG
  • fixed WP_User_Query warning. props PatelUtkarsh
  • added Chinese translation. props iwillhappy1314

1.6.4

  • added Danish translation. props phh
  • updated Swedish translation. props EyesX
  • fixed issue with multiple parse_query calls. props hezachenary
  • added p2p_post_admin_column_link and p2p_user_admin_column_link filters. props PareshRadadiya

1.6.3

  • added Serbian translation. props Borisa Djuraskovic
  • fixed spinner in admin box. props yamablam
  • fixed JavaScript error related to Backbone. props ericandrewlewis
  • made ‘p2p_connected_title’ filter work for users too. props MZAWeb
  • added support for ‘dropdown_title’ labels. props GaryJones
  • made get_related() consider all connected items

1.6.2

  • fixed URL query handling. props ntns
  • store WP_Error instance instead of calling trigger_error(). props MZAWeb
  • fixed warning when used with Multilingual Press. props dimadin
  • introduced p2p_connected_title filter. props petitphp

1.6.1

  • fixed user column handling. props versusbassz
  • fixed PHP strict standards warnings. props meloniq
  • added Estonian translation. props RistoNiinemets
  • added Finnish translation. props danielck

1.6

  • introduced p2p_candidate_title filter
  • introduced JavaScript API
  • added Japanese translation
  • various refactorings

1.5.2

  • fixed get_prev() and get_next()
  • introduced get_adjacent_items()
  • fixed admin column titles
  • made admin column titles show up before the post date. props luk3thomas
  • added ‘help’ key to ‘from_labels’ and ‘to_labels’ arrays. props tareq1988

1.5.1

  • fix fatal error on activation. props benmay

1.5

  • added admin dropdowns
  • fixed SQL error related to user connections
  • fixed ‘labels’ handling and added ‘column_title’ subkey
  • refactor metabox JavaScript using Backbone.js
  • lazy-load connection candidates, for faster page loads
  • lazy-load PHP classes using spl_register_autoload()

1.4.3

  • various bug fixes
  • added ‘inline’ mode for shortcodes
  • replaced ‘trash’ icon with ‘minus’ icon
  • pass direction to ‘default_cb’

1.4.2

  • fixed each_connected() returning wrapped objects
  • fixed issue with user queries and get_current_screen()
  • fixed “Delete all connections” button
  • fixed bugs with reciprocal and non-reciprocal indeterminate connection types
  • added Dutch translation

1.4.1

  • fixed errors in admin box
  • fixed each_connected()

1.4

  • added ‘p2p_init’ hook
  • replaced ‘View All’ button with ‘+ Create connections’ toggle
  • improved usability of connection candidate UI
  • fixed issues related to auto-drafts
  • show columns on the admin user list screen
  • more info

1.3.1

  • sanitize connection fields values on save, preventing security exploits
  • improved connection field default value handling
  • added ‘default_cb’ as an optional key when defining connection fields
  • fixed parameter order for ‘p2p_admin_box_show’ filter
  • pass the current post ID to the ‘p2p_new_post_args’ filter

1.3

  • allow passing entire objects to get_connected(), connect() etc.
  • made get_related() work with posts-to-users connections
  • made each_connected() work with simple array of posts
  • introduced [p2p_connected] and [p2p_related] shortcodes
  • allow ‘default’ parameter in ‘fields’ array
  • more info

1.2

  • added Tools -> Connection Types admin screen
  • fixed migration script
  • made p2p_get_connections() accept arrays of ids
  • added ‘separator’ parameter to p2p_list_posts()
  • made P2P_Directed_Type->connect() return WP_Error instances instead of just false
  • when a user is deleted, delete all the associated connections
  • fixed conflict with bbPress Topics for Posts plugin
  • more info

1.1.6

  • convert “View All” tab into button
  • refresh candidate list after deleting a connection
  • fix cardinality check
  • introduce ‘p2p_connection_type_args’ filter
  • make ‘connected_type’ accept an array of connection type names
  • inadvertently remove support for queries without ‘connected_type’ parameter

1.1.5

  • added P2P_Connection_Type->replace() method
  • added ‘self_connections’ flag to p2p_register_connection_type()
  • made P2P_Connection_Type->each_connected() work for posts-to-users connections
  • made admin list table columns work for posts-to-users connections
  • fixed ‘from_labels’ and ‘to_labels’ parameters
  • fixed search being limited only to post titles

1.1.4

  • show attachment thumbnail instead of title
  • merged ‘from_object’ into ‘from’ and ‘to_object’ into ‘to’
  • made posts-to-users queries respect ‘to_query_vars’ args
  • added $prop_name parameter to P2P_Type::each_connected()
  • fixed connection field name conflict

1.1.3

  • fixed regression related to posts-to-users direction
  • fixed admin columns overwriting each other
  • fixed incorrect direction in admin column links
  • added notices when connection type is not properly defined

1.1.2

  • fixed fields not being saved for posts-to-users connections
  • fixed missing “New Post” tab in admin box
  • fixed notice when deleting post

1.1.1

  • fixed faulty scbFramework loading
  • simplified syntax for defining posts-to-users connection types

1.1

  • add p2p_type column to the wp_p2p table
  • new low-level api: p2p_create_connection(), p2p_get_connections(), p2p_delete_connections(), p2p_connection_exists()
  • support posts-to-users and users-to-posts connection types in the admin
  • add ‘from_labels’ and ‘to_labels’ args to p2p_register_connection_type()
  • more info

1.0.1

  • don’t show metabox at all if user doesn’t have the required capability
  • fix checkbox handling when there are no other input fields
  • improve metabox styling
  • rename ‘show_ui’ to ‘admin_box’
  • add ‘admin_column’ parameter

1.0

  • widget can now list related posts
  • add P2P_Connection_Type::get_related() method
  • add ‘can_create_post’ arg to p2p_register_connection_type()
  • two-box mode for 'reciprocal' => false
  • more options for ‘show_ui’
  • allow checkboxes, radio buttons and textareas as connection fields
  • allow drag & drop ordering in both directions
  • added get_previous(), get_next() and get_adjacent() methods to P2P_Connection_Type
  • more info

0.9.5

  • add ‘{from|to}_query_vars’ args to p2p_register_connection_type()
  • add ‘cardinality’ arg to p2p_register_connection_type()
  • add ‘id’ arg and p2p_type() function
  • introduce p2p_split_posts()
  • remove p2p_connect(), p2p_disconnect() and p2p_get_connected()
  • more info

0.9.2

  • fix incorrect storage when creating a connection from the other end
  • respect ‘reciprocal’ => false when ‘from’ == ‘to’
  • pass pagination numbers through number_format_i18n()

0.9.1

  • fix bug with each_connected()
  • add widget
  • allow ‘from’ and ‘to’ to be arrays again
  • improve RTL support

0.9

  • introduce dropdown connection fields
  • introduce ‘sortable’ arg to p2p_register_connection_type()
  • introduce ‘data’ arg to p2p_register_connection_type()
  • replace ‘box’ arg with hooks
  • replace p2p_each_connected() with P2P_Post_Type->each_connected()
  • allow using ‘connected_meta’ and ‘connected_orderby’ together
  • fix some translations
  • more info

0.8

  • added ability to create draft posts from the connection box. props Oren Kolker
  • show post status in the connection box. props Michael Fields
  • reduced number of queries by caching connection information
  • revamped p2p_each_connected()
  • introduced p2p_list_posts()
  • introduced ‘connected_orderby’, ‘connected_order’ and ‘connected_order_num’ query vars
  • more info

0.7

  • improved UI. props Alex Ciobica
  • added ‘fields’, ‘context’ and ‘prevent_duplicates’ args to p2p_register_connection_type()
  • more info

0.6

  • added p2p_each_connected()
  • fixed p2p_is_connected()
  • made p2p_get_connected() return p2p_ids even with $direction = 'any'
  • made compatible with Proper Network Activation
  • more info

0.5.1

  • fixed fatal error on Menus screen

0.5

  • added ‘connected_meta’ var to WP_Query
  • attach p2p_id to each post found via WP_Query
  • ‘connected_to’ => ‘any’ etc.
  • $data parameter can also be a meta_query
  • metabox bugfixes
  • fixed l10n loading
  • more info

0.4

  • introduced ‘connected_from’, ‘connected_to’, ‘connected’ vars to WP_Query
  • replaced $reciprocal with $data as the third argument
  • p2p_register_connection_type() accepts an associative array as arguments
  • removed p2p_list_connected()
  • added p2p_delete_connection()
  • more info

0.3

  • store connections using a taxonomy instead of postmeta
  • more info

0.2

  • UI that supports multiple related posts. props Patrik Bón
  • added p2p_list_connected() template tag
  • more info

0.1

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