Limiting results to specific posts by parent ID

While there is no option to limit the results pool to posts with specific parents only, it is possible with a filter, very easily.
​What is this, and where do I put this custom code?​
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add_filter( 'asp_query_args', 'asp_include_only_parent_ids', 10, 2 );
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function asp_include_only_parent_ids( $args, $id ) {
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  /**
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   * Enter the post/cpt prent IDs here. The results will be
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   * limited to objects with these parent IDs.   
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   */     
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  $ids = array(1, 2, 3, 4, 5, 6);
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  // -- !! Do not change anything below this line !! --
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  $args['post_parent'] = $ids;
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  return $args;
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}
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..same code, but to apply only for specific search instances:
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add_filter( 'asp_query_args', 'asp_include_only_parent_ids', 10, 2 );
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function asp_include_only_parent_ids( $args, $id ) {
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  /**
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   * Enter the post/cpt prent IDs here. The results will be
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   * limited to objects with these parent IDs.   
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   */     
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  $ids = array(1, 2, 3, 4, 5, 6);
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  /**
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   * Search instance IDs you want this code to apply on.
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   */
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  $search_ids = array(1, 2);      
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  // --------------------------------------------------
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  // --------------------------------------------------
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  // -- !! Do not change anything below this line !! --
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  // --------------------------------------------------
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  if ( in_array($id, $search_ids) )
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    $args['post_parent'] = $ids;
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  return $args;
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}
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Restricting results by user Groups using the Groups plugin by itthinx

Limit results to current page children

Last modified 1yr ago

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