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root / drupal7 / sites / all / modules / webform / webform.api.php @ ca0757b9

       <?php
       /**
        * @file
        * Sample hooks demonstrating usage in Webform.
        */
       /**
        * @defgroup webform_hooks Webform Module Hooks
        * @{
        * Webform's hooks enable other modules to intercept events within Webform, such
        * as the completion of a submission or adding validation. Webform's hooks also
        * allow other modules to provide additional components for use within forms.
        */
       /**
        * Define callbacks that can be used as select list options.
+       *
        * When users create a select component, they may select a pre-built list of
        * certain options. Webform core provides a few of these lists such as the
        * United States, countries of the world, and days of the week. This hook
        * provides additional lists that may be utilized.
+       *
        * @see webform_options_example()
        * @see hook_webform_select_options_info_alter()
+       *
        * @return
        *   An array of callbacks that can be used for select list options. This array
        *   should be keyed by the "name" of the pre-defined list. The values should
        *   be an array with the following additional keys:
        *     - title: The translated title for this list.
        *     - options callback: The name of the function that will return the list.
        *     - options arguments: Any additional arguments to send to the callback.
        *     - file: Optional. The file containing the options callback, relative to
        *       the module root.
        */
       function hook_webform_select_options_info() {
         $items = array();
         $items['days'] = array(
           'title' => t('Days of the week'),
           'options callback' => 'webform_options_days',
           'file' => 'includes/webform.options.inc',
         );
         return $items;
+      }
       /**
        * Alter the list of select list options provided by Webform and other modules.
+       *
        * @see hook_webform_select_options_info().
        */
       function hook_webform_select_options_info_alter(&$items) {
         // Remove the days of the week options.
         unset($items['days']);
+      }
       /**
        * This is an example function to demonstrate a webform options callback.
+       *
        * This function returns a list of options that Webform may use in a select
        * component. In order to be called, the function name
        * ("webform_options_example" in this case), needs to be specified as a callback
        * in hook_webform_select_options_info().
+       *
        * @param $component
        *   The Webform component array for the select component being displayed.
        * @param $flat
        *   Boolean value indicating whether the returned list needs to be a flat array
        *   of key => value pairs. Select components support up to one level of
        *   nesting, but when results are displayed, the list needs to be returned
        *   without the nesting.
        * @param $filter
        *   Boolean value indicating whether the included options should be passed
        *   through the _webform_filter_values() function for token replacement (only)
        *   needed if your list contains tokens).
        * @param $arguments
        *   The "options arguments" specified in hook_webform_select_options_info().
        * @return
        *   An array of key => value pairs suitable for a select list's #options
        *   FormAPI property.
        */
       function webform_options_example($component, $flat, $filter, $arguments) {
         $options = array(
           'one' => t('Pre-built option one'),
           'two' => t('Pre-built option two'),
           'three' => t('Pre-built option three'),
         );
         return $options;
+      }
       /**
        * Respond to the loading of Webform submissions.
+       *
        * @param $submissions
        *   An array of Webform submissions that are being loaded, keyed by the
        *   submission ID. Modifications to the submissions are done by reference.
        */
       function hook_webform_submission_load(&$submissions) {
         foreach ($submissions as $sid => $submission) {
           $submissions[$sid]->new_property = 'foo';
+        }
+      }
       /**
        * Modify a Webform submission, prior to saving it in the database.
+       *
        * @param $node
        *   The Webform node on which this submission was made.
        * @param $submission
        *   The Webform submission that is about to be saved to the database.
        */
       function hook_webform_submission_presave($node, &$submission) {
         // Update some component's value before it is saved.
         $component_id = 4;
         $submission->data[$component_id]['value'][0] = 'foo';
+      }
       /**
        * Respond to a Webform submission being inserted.
+       *
        * Note that this hook is called after a submission has already been saved to
        * the database. If needing to modify the submission prior to insertion, use
        * hook_webform_submission_presave().
+       *
        * @param $node
        *   The Webform node on which this submission was made.
        * @param $submission
        *   The Webform submission that was just inserted into the database.
        */
       function hook_webform_submission_insert($node, $submission) {
         // Insert a record into a 3rd-party module table when a submission is added.
         db_insert('mymodule_table')
           ->fields(array(
             'nid' => $node->nid,
             'sid' => $submission->sid,
             'foo' => 'foo_data',
           ))
           ->execute();
+      }
       /**
        * Respond to a Webform submission being updated.
+       *
        * Note that this hook is called after a submission has already been saved to
        * the database. If needing to modify the submission prior to updating, use
        * hook_webform_submission_presave().
+       *
        * @param $node
        *   The Webform node on which this submission was made.
        * @param $submission
        *   The Webform submission that was just updated in the database.
        */
       function hook_webform_submission_update($node, $submission) {
         // Update a record in a 3rd-party module table when a submission is updated.
         db_update('mymodule_table')
           ->fields(array(
             'foo' => 'foo_data',
           ))
           ->condition('nid', $node->nid)
           ->condition('sid', $submission->sid)
           ->execute();
+      }
       /**
        * Respond to a Webform submission being deleted.
+       *
        * @param $node
        *   The Webform node on which this submission was made.
        * @param $submission
        *   The Webform submission that was just deleted from the database.
        */
       function hook_webform_submission_delete($node, $submission) {
         // Delete a record from a 3rd-party module table when a submission is deleted.
         db_delete('mymodule_table')
           ->condition('nid', $node->nid)
           ->condition('sid', $submission->sid)
           ->execute();
+      }
       /**
        * Provide a list of actions that can be executed on a submission.
+       *
        * Some actions are displayed in the list of submissions such as edit, view, and
        * delete. All other actions are displayed only when viewing the submission.
        * These additional actions may be specified in this hook. Examples included
        * directly in the Webform module include PDF, print, and resend e-mails. Other
        * modules may extend this list by using this hook.
+       *
        * @param $node
        *   The Webform node on which this submission was made.
        * @param $submission
        *   The Webform submission on which the actions may be performed.
        */
       function hook_webform_submission_actions($node, $submission) {
         if (webform_results_access($node)) {
           $actions['myaction'] = array(
             'title' => t('Do my action'),
             'href' => 'node/' . $node->nid . '/submission/' . $submission->sid . '/myaction',
             'query' => drupal_get_destination(),
           );
+        }
         return $actions;
+      }
       /**
        * Alter the display of a Webform submission.
+       *
        * This function applies to both e-mails sent by Webform and normal display of
        * submissions when viewing through the adminsitrative interface.
+       *
        * @param $renderable
        *   The Webform submission in a renderable array, similar to FormAPI's
        *   structure. This variable must be passed in by-reference. Important
        *   properties of this array include #node, #submission, #email, and #format,
        *   which can be used to find the context of the submission that is being
        *   rendered.
        */
       function hook_webform_submission_render_alter(&$renderable) {
         // Remove page breaks from sent e-mails.
         if (isset($renderable['#email'])) {
           foreach (element_children($renderable) as $key) {
             if ($renderable[$key]['#component']['type'] == 'pagebreak') {
               unset($renderable[$key]);
+            }
+          }
+        }
+      }
       /**
        * Modify a loaded Webform component.
+       *
        * IMPORTANT: This hook does not actually exist because components are loaded
        * in bulk as part of webform_node_load(). Use hook_node_load() to modify loaded
        * components when the node is loaded. This example is provided merely to point
        * to hook_node_load().
+       *
        * @see hook_nodeapi()
        * @see webform_node_load()
        */
       function hook_webform_component_load() {
         // This hook does not exist. Instead use hook_node_load().
+      }
       /**
        * Modify a Webform component before it is saved to the database.
+       *
        * Note that most of the time this hook is not necessary, because Webform will
        * automatically add data to the component based on the component form. Using
        * hook_form_alter() will be sufficient in most cases.
+       *
        * @see hook_form_alter()
        * @see webform_component_edit_form()
+       *
        * @param $component
        *   The Webform component being saved.
        */
       function hook_webform_component_presave(&$component) {
         $component['extra']['new_option'] = 'foo';
+      }
       /**
        * Respond to a Webform component being inserted into the database.
        */
       function hook_webform_component_insert($component) {
         // Insert a record into a 3rd-party module table when a component is inserted.
         db_insert('mymodule_table')
           ->fields(array(
             'nid' => $component['nid'],
             'cid' => $component['cid'],
             'foo' => 'foo_data',
           ))
           ->execute();
+      }
       /**
        * Respond to a Webform component being updated in the database.
        */
       function hook_webform_component_update($component) {
         // Update a record in a 3rd-party module table when a component is updated.
         db_update('mymodule_table')
           ->fields(array(
             'foo' => 'foo_data',
           ))
           ->condition('nid', $component['nid'])
           ->condition('cid', $component['cid'])
           ->execute();
+      }
       /**
        * Respond to a Webform component being deleted.
        */
       function hook_webform_component_delete($component) {
         // Delete a record in a 3rd-party module table when a component is deleted.
         db_delete('mymodule_table')
           ->condition('nid', $component['nid'])
           ->condition('cid', $component['cid'])
           ->execute();
+      }
       /**
        * Alter a Webform submission's header when exported.
        */
       function hook_webform_csv_header_alter(&$header, $component) {
         // Use the machine name for component headers, but only for the webform
         // with node 5 and components that are text fields.
         if ($component['nid'] == 5 && $component['type'] == 'textfield') {
           $header[2] = $component['form_key'];
+        }
+      }
       /**
        * Alter a Webform submission's data when exported.
        */
       function hook_webform_csv_data_alter(&$data, $component, $submission) {
         // If a value of a field was left blank, use the value from another
         // field.
         if ($component['cid'] == 1 && empty($data)) {
           $data = $submission->data[2]['value'][0];
+        }
+      }
       /**
        * Define components to Webform.
+       *
        * @return
        *   An array of components, keyed by machine name. Required properties are
        *   "label" and "description". The "features" array defines which capabilities
        *   the component has, such as being displayed in e-mails or csv downloads.
        *   A component like "markup" for example would not show in these locations.
        *   The possible features of a component include:
+       *
        *     - csv
        *     - email
        *     - email_address
        *     - email_name
        *     - required
        *     - conditional
        *     - spam_analysis
        *     - group
+       *
        *   Note that most of these features do not indicate the default state, but
        *   determine if the component can have this property at all. Setting
        *   "required" to TRUE does not mean that a component's fields will always be
        *   required, but instead give the option to the administrator to choose the
        *   requiredness. See the example implementation for details on how these
        *   features may be set.
+       *
        *   An optional "file" may be specified to be loaded when the component is
        *   needed. A set of callbacks will be established based on the name of the
        *   component. All components follow the pattern:
+       *
        *   _webform_[callback]_[component]
+       *
        *   Where [component] is the name of the key of the component and [callback] is
        *   any of the following:
+       *
        *     - defaults
        *     - edit
        *     - render
        *     - display
        *     - submit
        *     - delete
        *     - help
        *     - theme
        *     - analysis
        *     - table
        *     - csv_headers
        *     - csv_data
+       *
        * See the sample component implementation for details on each one of these
        * callbacks.
+       *
        * @see webform_components()
        */
       function hook_webform_component_info() {
         $components = array();
         $components['textfield'] = array(
           'label' => t('Textfield'),
           'description' => t('Basic textfield type.'),
           'features' => array(
             // Add content to CSV downloads. Defaults to TRUE.
             'csv' => TRUE,
             // This component supports default values. Defaults to TRUE.
             'default_value' => FALSE,
             // This component supports a description field. Defaults to TRUE.
             'description' => FALSE,
             // Show this component in e-mailed submissions. Defaults to TRUE.
             'email' => TRUE,
             // Allow this component to be used as an e-mail FROM or TO address.
             // Defaults to FALSE.
             'email_address' => FALSE,
             // Allow this component to be used as an e-mail SUBJECT or FROM name.
             // Defaults to FALSE.
             'email_name' => TRUE,
             // This component may be toggled as required or not. Defaults to TRUE.
             'required' => TRUE,
             // This component supports a title attribute. Defaults to TRUE.
             'title' => FALSE,
             // This component has a title that can be toggled as displayed or not.
             'title_display' => TRUE,
             // This component has a title that can be displayed inline.
             'title_inline' => TRUE,
             // If this component can be used as a conditional SOURCE. All components
             // may always be displayed conditionally, regardless of this setting.
             // Defaults to TRUE.
             'conditional' => TRUE,
             // If this component allows other components to be grouped within it
             // (like a fieldset or tabs). Defaults to FALSE.
             'group' => FALSE,
             // If this component can be used for SPAM analysis, usually with Mollom.
             'spam_analysis' => FALSE,
             // If this component saves a file that can be used as an e-mail
             // attachment. Defaults to FALSE.
             'attachment' => FALSE,
           ),
           'file' => 'components/textfield.inc',
         );
         return $components;
+      }
       /**
        * Alter the list of available Webform components.
+       *
        * @param $components
        *   A list of existing components as defined by hook_webform_component_info().
+       *
        * @see hook_webform_component_info()
        */
       function hook_webform_component_info_alter(&$components) {
         // Completely remove a component.
         unset($components['grid']);
         // Change the name of a component.
         $components['textarea']['label'] = t('Text box');
+      }
       /**
        * Alter the list of Webform component default values.
+       *
        * @param $defaults
        *   A list of component defaults as defined by _webform_defaults_COMPONENT().
        * @param $type
        *   The component type whose defaults are being provided.
+       *
        * @see _webform_defaults_component()
        */
       function hook_webform_component_defaults_alter(&$defaults, $type) {
         // Alter a default for all component types.
         $defaults['required'] = 1;
         // Add a default for a new field added via hook_form_alter() or
         // hook_form_FORM_ID_alter() for all component types.
         $defaults['extra']['added_field'] = t('Added default value');
         // Add or alter defaults for specific component types:
         switch ($type) {
           case 'select':
             $defaults['extra']['optrand'] = 1;
             break;
           case 'textfield':
           case 'textarea':
             $defaults['extra']['another_added_field'] = t('Another added default value');
+        }
+      }
       /**
        * Alter access to a Webform submission.
+       *
        * @param $node
        *   The Webform node on which this submission was made.
        * @param $submission
        *   The Webform submission.
        * @param $op
        *   The operation to be performed on the submission. Possible values are:
        *   - "view"
        *   - "edit"
        *   - "delete"
        *   - "list"
        * @param $account
        *   A user account object.
        * @return
        *   TRUE if the current user has access to submission,
        *   or FALSE otherwise.
        */
       function hook_webform_submission_access($node, $submission, $op = 'view', $account = NULL) {
         switch ($op) {
           case 'view':
             return TRUE;
             break;
           case 'edit':
             return FALSE;
             break;
           case 'delete':
             return TRUE;
             break;
           case 'list':
             return TRUE;
             break;
+        }
+      }
       /**
        * Determine if a user has access to see the results of a webform.
+       *
        * Note in addition to the view access to the results granted here, the $account
        * must also have view access to the Webform node in order to see results.
+       *
        * @see webform_results_access().
+       *
        * @param $node
        *   The Webform node to check access on.
        * @param $account
        *   The user account to check access on.
        * @return
        *   TRUE or FALSE if the user can access the webform results.
        */
       function hook_webform_results_access($node, $account) {
         // Let editors view results of unpublished webforms.
         if ($node->status == 0 && in_array('editor', $account->roles)) {
           return TRUE;
+        }
         else {
           return FALSE;
+        }
+      }
       /**
        * Return an array of files associated with the component.
+       *
        * The output of this function will be used to attach files to e-mail messages.
+       *
        * @param $component
        *   A Webform component array.
        * @param $value
        *   An array of information containing the submission result, directly
        *   correlating to the webform_submitted_data database schema.
        * @return
        *   An array of files, each file is an array with following keys:
        *     - filepath: The relative path to the file.
        *     - filename: The name of the file including the extension.
        *     - filemime: The mimetype of the file.
        *   This will result in an array looking something like this:
        *   @code
        *   array[0] => array(
        *     'filepath' => '/sites/default/files/attachment.txt',
        *     'filename' => 'attachment.txt',
        *     'filemime' => 'text/plain',
        *   );
        *   @endcode
        */
       function _webform_attachments_component($component, $value) {
         $files = array();
         $files[] = (array) file_load($value[0]);
         return $files;
+      }
       /**
        * @}
        */
       /**
        * @defgroup webform_component Sample Webform Component
        * @{
        * In each of these examples, the word "component" should be replaced with the,
        * name of the component type (such as textfield or select). These are not
        * actual hooks, but instead samples of how Webform integrates with its own
        * built-in components.
        */
       /**
        * Specify the default properties of a component.
+       *
        * @return
        *   An array defining the default structure of a component.
        */
       function _webform_defaults_component() {
         return array(
           'name' => '',
           'form_key' => NULL,
           'mandatory' => 0,
           'pid' => 0,
           'weight' => 0,
           'extra' => array(
             'options' => '',
             'questions' => '',
             'optrand' => 0,
             'qrand' => 0,
             'description' => '',
           ),
         );
+      }
       /**
        * Generate the form for editing a component.
+       *
        * Create a set of form elements to be displayed on the form for editing this
        * component. Use care naming the form items, as this correlates directly to the
        * database schema. The component "Name" and "Description" fields are added to
        * every component type and are not necessary to specify here (although they
        * may be overridden if desired).
+       *
        * @param $component
        *   A Webform component array.
        * @return
        *   An array of form items to be displayed on the edit component page
        */
       function _webform_edit_component($component) {
         $form = array();
         // Disabling the description if not wanted.
         $form['description'] = array();
         // Most options are stored in the "extra" array, which stores any settings
         // unique to a particular component type.
         $form['extra']['options'] = array(
           '#type' => 'textarea',
           '#title' => t('Options'),
           '#default_value' => $component['extra']['options'],
           '#description' => t('Key-value pairs may be entered separated by pipes. i.e. safe_key|Some readable option') . theme('webform_token_help'),
           '#cols' => 60,
           '#rows' => 5,
           '#weight' => -3,
           '#required' => TRUE,
         );
         return $form;
+      }
       /**
        * Render a Webform component to be part of a form.
+       *
        * @param $component
        *   A Webform component array.
        * @param $value
        *   If editing an existing submission or resuming a draft, this will contain
        *   an array of values to be shown instead of the default in the component
        *   configuration. This value will always be an array, keyed numerically for
        *   each value saved in this field.
        * @param $filter
        *   Whether or not to filter the contents of descriptions and values when
        *   rendering the component. Values need to be unfiltered to be editable by
        *   Form Builder.
+       *
        * @see _webform_client_form_add_component()
        */
       function _webform_render_component($component, $value = NULL, $filter = TRUE) {
         $form_item = array(
           '#type' => 'textfield',
           '#title' => $filter ? _webform_filter_xss($component['name']) : $component['name'],
           '#required' => $component['mandatory'],
           '#weight' => $component['weight'],
           '#description'   => $filter ? _webform_filter_descriptions($component['extra']['description']) : $component['extra']['description'],
           '#default_value' => $filter ? _webform_filter_values($component['value']) : $component['value'],
           '#prefix' => '<div class="webform-component-textfield" id="webform-component-' . $component['form_key'] . '">',
           '#suffix' => '</div>',
         );
         if (isset($value)) {
           $form_item['#default_value'] = $value[0];
+        }
         return $form_item;
+      }
       /**
        * Display the result of a submission for a component.
+       *
        * The output of this function will be displayed under the "Results" tab then
        * "Submissions". This should output the saved data in some reasonable manner.
+       *
        * @param $component
        *   A Webform component array.
        * @param $value
        *   An array of information containing the submission result, directly
        *   correlating to the webform_submitted_data database table schema.
        * @param $format
        *   Either 'html' or 'text'. Defines the format that the content should be
        *   returned as. Make sure that returned content is run through check_plain()
        *   or other filtering functions when returning HTML.
        * @return
        *   A renderable element containing at the very least these properties:
        *    - #title
        *    - #weight
        *    - #component
        *    - #format
        *    - #value
        *   Webform also uses #theme_wrappers to output the end result to the user,
        *   which will properly format the label and content for use within an e-mail
        *   (such as wrapping the text) or as HTML (ensuring consistent output).
        */
       function _webform_display_component($component, $value, $format = 'html') {
         return array(
           '#title' => $component['name'],
           '#weight' => $component['weight'],
           '#theme' => 'webform_display_textfield',
           '#theme_wrappers' => $format == 'html' ? array('webform_element') : array('webform_element_text'),
           '#post_render' => array('webform_element_wrapper'),
           '#field_prefix' => $component['extra']['field_prefix'],
           '#field_suffix' => $component['extra']['field_suffix'],
           '#component' => $component,
           '#format' => $format,
           '#value' => isset($value[0]) ? $value[0] : '',
         );
+      }
       /**
        * A hook for changing the input values before saving to the database.
+       *
        * Webform expects a component to consist of a single field, or a single array
        * of fields. If you have a component that requires a deeper form tree
        * you must flatten the data into a single array using this callback
        * or by setting #parents on each field to avoid data loss and/or unexpected
        * behavior.
+       *
        * Note that Webform will save the result of this function directly into the
        * database.
+       *
        * @param $component
        *   A Webform component array.
        * @param $value
        *   The POST data associated with the user input.
        * @return
        *   An array of values to be saved into the database. Note that this should be
        *   a numerically keyed array.
        */
       function _webform_submit_component($component, $value) {
         // Clean up a phone number into 123-456-7890 format.
         if ($component['extra']['phone_number']) {
           $matches = array();
           $number = preg_replace('[^0-9]', $value[0]);
           if (strlen($number) == 7) {
             $number = substr($number, 0, 3) . '-' . substr($number, 3, 4);
+          }
           else {
             $number = substr($number, 0, 3) . '-' . substr($number, 3, 3) . '-' . substr($number, 6, 4);
+          }
+        }
         $value[0] = $number;
         return $value;
+      }
       /**
        * Delete operation for a component or submission.
+       *
        * @param $component
        *   A Webform component array.
        * @param $value
        *   An array of information containing the submission result, directly
        *   correlating to the webform_submitted_data database schema.
        */
       function _webform_delete_component($component, $value) {
         // Delete corresponding files when a submission is deleted.
         if (!empty($value[0]) && ($file = webform_get_file($value[0]))) {
           file_usage_delete($file, 'webform');
           file_delete($file);
+        }
+      }
       /**
        * Module specific instance of hook_help().
+       *
        * This allows each Webform component to add information into hook_help().
        */
       function _webform_help_component($section) {
         switch ($section) {
           case 'admin/config/content/webform#grid_description':
             return t('Allows creation of grid questions, denoted by radio buttons.');
+        }
+      }
       /**
        * Module specific instance of hook_theme().
+       *
        * This allows each Webform component to add information into hook_theme(). If
        * you specify a file to include, you must define the path to the module that
        * this file belongs to.
        */
       function _webform_theme_component() {
         return array(
           'webform_grid' => array(
             'render element' => 'element',
             'file' => 'components/grid.inc',
             'path' => drupal_get_path('module', 'webform'),
           ),
           'webform_display_grid' => array(
             'render element' => 'element',
             'file' => 'components/grid.inc',
             'path' => drupal_get_path('module', 'webform'),
           ),
         );
+      }
       /**
        * Calculate and returns statistics about results for this component.
+       *
        * This takes into account all submissions to this webform. The output of this
        * function will be displayed under the "Results" tab then "Analysis".
+       *
        * @param $component
        *   An array of information describing the component, directly correlating to
        *   the webform_component database schema.
        * @param $sids
        *   An optional array of submission IDs (sid). If supplied, the analysis will
        *   be limited to these sids.
        * @param $single
        *   Boolean flag determining if the details about a single component are being
        *   shown. May be used to provided detailed information about a single
        *   component's analysis, such as showing "Other" options within a select list.
        * @return
        *   An array of data rows, each containing a statistic for this component's
        *   submissions.
        */
       function _webform_analysis_component($component, $sids = array(), $single = FALSE) {
         // Generate the list of options and questions.
         $options = _webform_select_options_from_text($component['extra']['options'], TRUE);
         $questions = _webform_select_options_from_text($component['extra']['questions'], TRUE);
         // Generate a lookup table of results.
         $query = db_select('webform_submitted_data', 'wsd')
           ->fields('wsd', array('no', 'data'))
           ->condition('nid', $component['nid'])
           ->condition('cid', $component['cid'])
           ->condition('data', '', '<>')
           ->groupBy('no')
           ->groupBy('data');
         $query->addExpression('COUNT(sid)', 'datacount');
         if (count($sids)) {
           $query->condition('sid', $sids, 'IN');
+        }
         $result = $query->execute();
         $counts = array();
         foreach ($result as $data) {
           $counts[$data->no][$data->data] = $data->datacount;
+        }
         // Create an entire table to be put into the returned row.
         $rows = array();
         $header = array('');
         // Add options as a header row.
         foreach ($options as $option) {
           $header[] = $option;
+        }
         // Add questions as each row.
         foreach ($questions as $qkey => $question) {
           $row = array($question);
           foreach ($options as $okey => $option) {
             $row[] = !empty($counts[$qkey][$okey]) ? $counts[$qkey][$okey] : 0;
+          }
           $rows[] = $row;
+        }
         $output = theme('table', array('header' => $header, 'rows' => $rows, 'attributes' => array('class' => array('webform-grid'))));
         return array(array(array('data' => $output, 'colspan' => 2)));
+      }
       /**
        * Return the result of a component value for display in a table.
+       *
        * The output of this function will be displayed under the "Results" tab then
        * "Table".
+       *
        * @param $component
        *   A Webform component array.
        * @param $value
        *   An array of information containing the submission result, directly
        *   correlating to the webform_submitted_data database schema.
        * @return
        *   Textual output formatted for human reading.
        */
       function _webform_table_component($component, $value) {
         $questions = array_values(_webform_component_options($component['extra']['questions']));
         $output = '';
         // Set the value as a single string.
         if (is_array($value)) {
           foreach ($value as $item => $value) {
             if ($value !== '') {
               $output .= $questions[$item] . ': ' . check_plain($value) . '<br />';
+            }
+          }
+        }
         else {
           $output = check_plain(!isset($value['0']) ? '' : $value['0']);
+        }
         return $output;
+      }
       /**
        * Return the header for this component to be displayed in a CSV file.
+       *
        * The output of this function will be displayed under the "Results" tab then
        * "Download".
+       *
        * @param $component
        *   A Webform component array.
        * @param $export_options
        *   An array of options that may configure export of this field.
        * @return
        *   An array of data to be displayed in the first three rows of a CSV file, not
        *   including either prefixed or trailing commas.
        */
       function _webform_csv_headers_component($component, $export_options) {
         $header = array();
         $header[0] = array('');
         $header[1] = array($component['name']);
         $items = _webform_component_options($component['extra']['questions']);
         $count = 0;
         foreach ($items as $key => $item) {
           // Empty column per sub-field in main header.
           if ($count != 0) {
             $header[0][] = '';
             $header[1][] = '';
+          }
           // The value for this option.
           $header[2][] = $item;
           $count++;
+        }
         return $header;
+      }
       /**
        * Format the submitted data of a component for CSV downloading.
+       *
        * The output of this function will be displayed under the "Results" tab then
        * "Download".
+       *
        * @param $component
        *   A Webform component array.
        * @param $export_options
        *   An array of options that may configure export of this field.
        * @param $value
        *   An array of information containing the submission result, directly
        *   correlating to the webform_submitted_data database schema.
        * @return
        *   An array of items to be added to the CSV file. Each value within the array
        *   will be another column within the file. This function is called once for
        *   every row of data.
        */
       function _webform_csv_data_component($component, $export_options, $value) {
         $questions = array_keys(_webform_select_options($component['extra']['questions']));
         $return = array();
         foreach ($questions as $key => $question) {
           $return[] = isset($value[$key]) ? $value[$key] : '';
+        }
         return $return;
+      }
       /**
        * @}
        */

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root / drupal7 / sites / all / modules / webform / webform.api.php @ ca0757b9