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The WordPress coreCore Core is the set of software required to run WordPress. The Core Development Team builds WordPress. development team builds WordPress! Follow this site for general updates, status reports, and the occasional code debate. There’s lots of ways to contribute:

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      Tag Archives: post meta

      Boone Gorges 9:32 pm on March 30, 2015
      Tags: 4.2 ( 67 ), dev-notes ( 505 ), post meta, query ( 8 )   

      Query improvements in WP 4.2: ‘orderby’ and ‘meta_query’

      WP 4.2 will include a number of improvements in the way query classes handle ‘orderby’, particularly when used in connection with the ‘meta_query’ parameter.

      WP_Query has long supported the sorting of results by postmeta, using the following syntaxes:

      $q1 = new WP_Query( array(
          'meta_key' => 'foo',
          'orderby' => 'meta_value',
      ) );
      
      $q2 = new WP_Query( array(
          'meta_key' => 'foo',
          'orderby' => 'foo',
      ) );
      

      These arguments have always operated more or less independently from ‘meta_query’. Internally, ‘meta_key’ and ‘meta_value’ are converted to the first clause in a ‘meta_query’, but this conversion is opaque as far as ‘orderby’ is concerned.

      WP 4.2 will address this shortcoming with a new syntax for ordering by specific clauses of a ‘meta_query’ array. When building the ‘meta_query’ parameter, use explicit array indexes for the metaMeta Meta is a term that refers to the inside workings of a group. For us, this is the team that works on internal WordPress sites like WordCamp Central and Make WordPress. query clauses. These indexes will be used as handles, which can be referenced from the ‘orderby’ param. For example:

      $q = new WP_Query( array(
          'meta_query' => array(
              'relation' => 'AND',
              'state_clause' => array(
                  'key' => 'state',
                  'value' => 'Wisconsin',
              ),
              'city_clause' => array(
                  'key' => 'city',
                  'compare' => 'EXISTS',
              ), 
          ),
          'orderby' => 'city_clause', // Results will be ordered by 'city' meta values.
      ) );
      

      This new syntax can be used in conjunction with complex ‘orderby’ parameters:

      // ...
          'orderby' => array(
              'city_clause' => 'ASC',
              'state_clause' => 'DESC',
          ),
      // ...
      

      See #31045 for more background.

      We’ve also done a sweep through WP’s primary query classes – WP_Query, WP_User_Query, and WP_Comment_Query – to ensure that ‘orderby’ can be used in the same way everywhere. As of 4.2, ‘orderby’ syntax – including multidimensional arrays, ‘meta_value_num’, and the meta query index references described above – is the same in each of these three query classes. See #31265.

      #4-2, #dev-notes, #post-meta, #query

          Eric Andrew Lewis 2:43 am on January 15, 2014
          Tags: post meta   

          Metadata changes weekly meeting to office hours

          At this point, a weekly planning meeting is not applicable. Ticketticket Created for both bug reports and feature development on the bug tracker. scrubs of open issues will be more useful to make sure discussions are moving along at a good pace.

          Metadata team’s weekly meeting every Tuesday at 1900-2000 UTC will from now on take an “office hours” format, accompanied by another office hours every Friday at 1900-2000 UTC.

          #post-meta

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