function convertBoolean($booleanstring)
{
return str_bool($booleanstring);
}
function checkbox($path, $value = null, $options = array())
{
$result = '';
$name = _get_complete_bind_path($path);
$bindStatus =& new BindStatus(_get_bind_path($path));
$boundValue = $bindStatus->getValue();
$valueType = $bindStatus->getValueType();
if (str_equals_icase($valueType, 'boolean')) {
if (is_string($boundValue)) {
$boundValue = str_bool($boundValue);
}
$booleanValue = $boundValue != null ? $boundValue : false;
$result .= checkbox_tag($name, 'true', $booleanValue, $options);
} else {
assert_not_null($value, "Attribute 'value' is required when binding to non-boolean values");
$result .= checkbox_tag($name, specialchars($value, true), SelectedValueComparator::isSelected($bindStatus, $value), $options);
}
if (!isset($options['disabled']) || $options['disabled'] != 'disabled') {
$result .= input_hidden_tag('_' . $name, '1');
}
return $result;
}
function str_is_bool($text)
{
return str_bool($text) !== null;
}
function getBooleanParameters(&$request, $parameterName)
{
$values = $request->getParameter($parameterName);
if (!is_array($values)) {
return array(RequestUtils::getBooleanParameter($request, $parameterName));
}
$result = array();
foreach ((array) $values as $key => $value) {
if ($value === null || !str_is_bool($value)) {
show_error('Error', "Parameter '{$parameterName}[{$key}]' with value of '{$value}' is not a valid boolean expression.");
}
$result[$key] = str_bool($value);
}
return $result;
}