oik_types_pre_get_posts() – Implement "pre_get_posts" for oik-types

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Description

Implement "pre_get_posts" for oik-types

Updates the array of post types which can be displayed on the page that's showing the blog posts. i.e. The home page, as opposed to the front page. Notes:

• You can't check for main query in "pre_get_posts"
• You can't use WP_Query::is_main_query() either
• You can't check is_home() in pre_get_posts for other reasons
• Assumes that the "post" post type, for blog posts, will always be included.
• Once we've run the main query we don't need this filter any more.

Usage

$WP_Query = oik_types_pre_get_posts( $query );

Parameters

$query

( WP_Query ) required – the query object for the current query

Returns

WP_Query the updated query object

Source

File name: oik-types/oik-types.php
Lines:

function oik_types_pre_get_posts( $query ) {

  if ( is_home() && false == $query->get('suppress_filters') ) {
    $post_types = array( "post" );
    global $wp_post_types;
    foreach ( $wp_post_types as $post_type => $data ) {
      $supports = post_type_supports( $post_type, "home" );
      if ( $supports ) {
        $post_types[] = $post_type;
        if ( $post_type == "attachment" ) {
          add_filter( "posts_where", "oik_types_posts_where", 10, 2);
        }
      }
    }
    $query->set( 'post_type', $post_types );
    remove_filter( "pre_get_posts", "oik_types_pre_get_posts" );
  }
  bw_trace2( $query, "Query", false, BW_TRACE_VERBOSE );
  return( $query );
}
 

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