Gravity prerender taxonomy

我试图在重力表单中预填充一个类别字段或发布下拉列表。以下是我所拥有的：

<?php

add_filter("gform_pre_render", "gform_prepopluate_populate_books");

//Note: when changing drop down values, we also need to use the gform_admin_pre_render so that the right values are displayed when editing the entry.
add_filter("gform_admin_pre_render", "gform_prepopluate_populate_books");

function gform_prepopluate_populate_books($form){
    $posttype = \'books\';
    $taxtype = \'genres\';
    $formid = 5;
    $fieldid = 14);

    //only populating drop down for form id 5
    if($form["id"] != $formid)
       return $form;

    //Reading posts for "Business" category;
    //$posts = query_posts(array(\'post_type\' => array(\'post\', \'movies\')));
   // $posts = query_posts( array( \'post_type\' => $querytype ) );


    $taxonomies=get_taxonomies(array(\'name\' => $taxtype ), \'names\'); 
   // if ( have_posts() ) : while ( have_posts() ) : the_post();

    //Creating drop down item array.
    $items = array();

    //Adding initial blank value.
    $items[] = array("text" => "", "value" => "");

    //Adding post titles to the items array
    if ( $taxonomies ) {
        foreach($taxonomies  as $taxonomy) {
            $items[] = array("value" => $taxonomy->slug, "text" => $taxonomy->name);
        }
    }

    //Adding items to field id 8. Replace 8 with your actual field id. You can get the field id by looking at the input name in the markup.
    foreach($form["fields"] as &$field)
        if($field["id"] == $fieldid ) {            
            $field["choices"] = $items;
    }

}

似乎无法将分类法值填充到下拉列表中。有什么想法吗？

<?php add_filter("gform_pre_render", "gform_prepopluate_populate_books"); add_filter("gform_admin_pre_render", "gform_prepopluate_populate_books"); function gform_prepopluate_populate_books($form){ //Grab all Terms Associated with a Specific Taxonomy; global $post; $taxonomy = \'genres\'; $formid = 5; $fieldid = 14; if($form["id"] != $formid) return $form; $terms = get_terms($taxonomy, \'hide_empty=0&orderby=none\'); //Creating drop down item array. $items = array(); //Adding initial blank value. $items[] = array("text" => "", "value" => ""); //Adding term names to the items array foreach($terms as $term){ $is_selected = $term->name == "testing" ? true : false; $items[] = array("value" => $term->name, "text" => $term->name, "isSelected"=> $is_selected); } //Adding items to field id 1. Replace 1 with your actual field id. You can get the field id by looking at the input name in the markup. foreach($form["fields"] as &$field) if($field["id"] == $fieldid){ $field["type"] = "select"; $field["choices"] = $items; } return $form; }

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