/**
* Check if $value is a QTI Runtime compliant value.
*
* @throws \InvalidArgumentException If $value is not a QTI Runtime compliant value.
*/
protected function checkType($value)
{
if (RuntimeUtils::isQtiScalarDatatypeCompliant($value)) {
return;
} elseif ($value instanceof MultipleContainer || $value instanceof OrderedContainer || $value instanceof RecordContainer) {
return;
} else {
$value = gettype($value) === 'object' ? get_class($value) : $value;
$msg = "The OperandsCollection only accepts QTI Runtime compliant values, '" . $value . "' given.";
throw new InvalidArgumentException($msg);
}
}
/**
* @see \qtism\common\collections\AbstractCollection::checkType()
*/
protected function checkType($value)
{
if (!RuntimeUtils::isQtiScalarDatatypeCompliant($value)) {
$displayType = PhpUtils::displayType($value);
$msg = "Cannot insert a non QTI Scalar Datatype into a QTI Container. The following Datatypes are accepted ";
$msg .= "null, QTI Identifier, QTI Boolean, QTI Integer, QTI Float, QTI String, QTI Point, QTI Pair, QTI DirectedPair, ";
$msg .= "QTI Duration, QTI File, QTI Uri, QTI IntOrIdentifier. '{$displayType}' given.";
throw new InvalidArgumentException($msg);
}
}
