_form_set_class

Versions
4.7 – 7
_form_set_class(&$element, $class = array())

Sets a form element's class attribute.

Adds 'required' and 'error' classes as needed.

Parameters

&$element The form element.

$name Array of new class names to be added.

Related topics

▾ 7 functions call _form_set_class()

theme_checkbox in includes/form.inc
Theme a checkbox form element.
theme_file in includes/form.inc
Theme a file upload form element.
theme_password in includes/form.inc
Theme a password form element.
theme_radio in includes/form.inc
Theme a radio button form element.
theme_select in includes/form.inc
Theme select form element.
theme_textarea in includes/form.inc
Theme a textarea form element.
theme_textfield in includes/form.inc
Theme a textfield form element.

Code

includes/form.inc, line 2868

<?php
function _form_set_class(&$element, $class = array()) {
  if (!empty($class)) {
    if (!isset($element['#attributes']['class'])) {
      $element['#attributes']['class'] = array();
    }
    $element['#attributes']['class'] = array_merge($element['#attributes']['class'], $class);
  }
  if ($element['#required']) {
    $element['#attributes']['class'][] = 'required';
  }
  if (form_get_error($element)) {
    $element['#attributes']['class'][] = 'error';
  }
}
?>
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