Commit 06bb3d2e authored by Gábor Hojtsy's avatar Gábor Hojtsy
Browse files

#117748 by quicksketch: short fix to trim() required fields for validation, with documentation

parent a387aaee
......@@ -664,10 +664,10 @@ function _form_validate($elements, &$form_state, $form_id = NULL) {
// Validate the current input.
if (!isset($elements['#validated']) || !$elements['#validated']) {
if (isset($elements['#needs_validation'])) {
// An empty textfield returns '' so we use empty(). An empty checkbox
// and a textfield could return '0' and empty('0') returns TRUE so we
// need a special check for the '0' string.
if ($elements['#required'] && empty($elements['#value']) && $elements['#value'] !== '0') {
// We only check for trimmed string length being zero. 0 might be
// a possible value with some field types, such as radio buttons, so
// empty() is not usable here.
if ($elements['#required'] && strlen(trim($elements['#value'])) == 0) {
form_error($elements, $t('!name field is required.', array('!name' => $elements['#title'])));
}
......
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