form_execute_handlers

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includes/form.inc, строка 744

Версии
6
form_execute_handlers($type, &$form, &$form_state)

A helper function used to execute custom validation and submission handlers for a given form. Button-specific handlers are checked first. If none exist, the function falls back to form-level handlers.

Параметры

$type The type of handler to execute. 'validate' or 'submit' are the defaults used by Form API.

$form Ассоциативный массив, содержащий структуру формы

$form_state A keyed array containing the current state of the form. If the user submitted the form by clicking a button with custom handler functions defined, those handlers will be stored here.

Связанные темы

▾ 3 функции вызывают form_execute_handlers()

drupal_process_form in includes/form.inc
Эта функция является основной в Forms API. Предназначена для построения формы и проверки формы на соответствие требованиям и обработки результатов.
node_form_submit_build_node in modules/node/node.pages.inc
Build a node by processing submitted form values and prepare for a form rebuild.
_form_validate in includes/form.inc
Performs validation on form elements. First ensures required fields are completed, #maxlength is not exceeded, and selected options were in the list of options given to the user. Then calls user-defined validators.

Код

<?php
function form_execute_handlers($type, &$form, &$form_state) {
  $return = FALSE;
  if (isset($form_state[$type .'_handlers'])) {
    $handlers = $form_state[$type .'_handlers'];
  }
  elseif (isset($form['#'. $type])) {
    $handlers = $form['#'. $type];
  }
  else {
    $handlers = array();
  }

  foreach ($handlers as $function) {
    if (function_exists($function))  {
      // Check to see if a previous _submit handler has set a batch, but 
      // make sure we do not react to a batch that is already being processed 
      // (for instance if a batch operation performs a drupal_execute()).
      if ($type == 'submit' && ($batch =& batch_get()) && !isset($batch['current_set'])) {
        // Some previous _submit handler has set a batch. We store the call
        // in a special 'control' batch set, for execution at the correct
        // time during the batch processing workflow.
        $batch['sets'][] = array('form_submit' => $function);
      }
      else {
        $function($form, $form_state);
      }
      $return = TRUE;
    }
  }
  return $return;
}
?>
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