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Drupal example source code file (content_handler_filter_many_to_one.inc)

This example Drupal source code file (content_handler_filter_many_to_one.inc) is included in the DevDaily.com "Drupal Source Code Warehouse" project. The intent of this project is to help you "Learn Drupal by Example".

PHP - Drupal tags/keywords

array, content_allowed_values, content_allowed_values_filter_html, content_fields, else, extends, field, function, function_exists, options, php, return, var, views_handler_filter_many_to_one

The content_handler_filter_many_to_one.inc Drupal example source code

// $Id: content_handler_filter_many_to_one.inc,v 2009/08/14 19:15:10 markuspetrux Exp $

 * @file
 * The subclass simply adds properties,
 * for field-specific subclasses to use if they need to.
class content_handler_filter_many_to_one extends views_handler_filter_many_to_one {
  var $content_field;

  function construct() {
    $this->content_field = content_fields($this->definition['content_field_name']);
    $this->additional_fields = $this->definition['additional fields'];
    $field = $this->content_field;
    $this->value_title = $field['widget']['label'];

  function get_value_options() {
    $this->value_options = $this->allowed_values();

  // Get allowed values from hook_allowed_values(), if any,
  // or from content_allowed_values();
  function allowed_values() {
    $field = $this->content_field;
    $function = $field['module'] .'_allowed_values';
    if ($this->value_form_type == 'select') {
      // Select elements accept multidimensional arrays to support optgroups.
      $options = function_exists($function) ? $function($field) : content_allowed_values($field, FALSE);
      // For selects, HTML should be filtered out and entities left unencoded.
      // See content_allowed_values / content_filter_xss / filter_xss.
    else {
      $options = function_exists($function) ? $function($field) : content_allowed_values($field);
    return (array) $options;


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