function fontawesome_iconpicker_icon_field_icon_value_callback in Font Awesome Iconpicker 7

Helper function to remove the fontawesome prefix for icon api fields.

1 string reference to 'fontawesome_iconpicker_icon_field_icon_value_callback'

fontawesome_iconpicker_field_widget_form in ./fontawesome_iconpicker.module

Implements hook_field_widget_form().

File

./fontawesome_iconpicker.module, line 138

Integrates fontawesome-iconpicker plugin with Drupal.

Code

function fontawesome_iconpicker_icon_field_icon_value_callback($element, $input = FALSE, $form_state = array()) {
  if ($input !== FALSE) {
    $prefix = FONTAWESOME_ICONPICKER_ICON_PREFIX;
    $str = trim($input);
    if (substr($str, 0, strlen($prefix)) == $prefix) {
      $str = substr($str, strlen($prefix));
      return $str;
    }
  }
  else {
    return isset($element['#default_value']) ? $element['#default_value'] : NULL;
  }
  return $input;
}