/**
* Performs validation
*
* The whole rule chain is executed. Note that the side effect of this
* method is setting the error message on element if validation fails
*
* @return boolean Whether the element is valid
*/
public function validate()
{
$globalValid = false;
$localValid = $this->checkValue($this->owner->getValue());
foreach ($this->chainedRules as $item) {
foreach ($item as $multiplier) {
if (!$localValid) {
break;
}
$localValid = $localValid && $multiplier->validate();
}
$globalValid = $globalValid || $localValid;
if ($globalValid) {
break;
}
$localValid = true;
}
if (!$globalValid && strlen($this->message) && !$this->owner->getError()) {
$this->owner->setError($this->message);
}
return $globalValid;
}
/**
* Sets the error message on the owner element
*/
protected function setOwnerError()
{
if (strlen($this->getMessage()) && !$this->owner->getError()) {
$this->owner->setError($this->getMessage());
}
}