function callback_func($control,$param) {...}
where $control refers to the control being visited and $param
is the parameter that is passed originally when calling this traverse function. | protected traverseChildControls ( $param, $preCallback = null, $postCallback = null ) |
protected function traverseChildControls($param, $preCallback = null, $postCallback = null)
{
if ($preCallback !== null) {
call_user_func($preCallback, $this, $param);
}
if ($this->getHasControls()) {
foreach ($this->_rf[self::RF_CONTROLS] as $control) {
if ($control instanceof TControl) {
$control->traverseChildControls($param, $preCallback, $postCallback);
}
}
}
if ($postCallback !== null) {
call_user_func($postCallback, $this, $param);
}
}