bw_query_fieldref_value() – Return the field value for the given fieldref

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Description

Return the field value for the given fieldref

Lookup the noderef then access the field value for that noderef Assumptions:

• The fields are single fields
• the noderef is a noderef field for the current post
• the field_name is a value field in the target_post

Usage

$string = bw_query_fieldref_value( $fieldref, $post_id );

Parameters

$fieldref

( string ) required – in format _node_ref._field_ref

$post_id

( ID ) optional – post ID, if not the global post

Returns

string the value or null

Source

File name: oik-fields/shortcodes/oik-related.php
Lines:

function bw_query_fieldref_value( $fieldref, $post_id=null ) {
  list( $noderef_name, $field_name ) = explode( ".", $fieldref ); 
  $target_post = bw_query_field_value( $noderef_name, $post_id );
  if ( $target_post ) {
    $value = bw_query_field_value( $field_name, $target_post );
  } else {
    $value = null;
  }
  return( $value );   
}
 

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