/**
* Performs some special handling if the operator requires a range or a
* list.
*
* @param string, array $operand
*/
protected function _validateRightOperand($operand)
{
if ($this->_operator == self::OP_BETWEEN || $this->_operator == self::OP_IN) {
/* This logic doesn't attempt to verify that the ends of a range
are valid for range comparison, as that's sort of a pain. */
if (is_array($operand)) {
if ($this->_operator == self::OP_BETWEEN) {
if (count($operand) != 2) {
throw new InvalidArgumentException('When passing an array as an operand to a range ' . 'operator, it must contain exactly two values.');
}
$operand = implode('_', $operand);
} else {
foreach ($operand as &$opComponent) {
$opComponent = \PFXUtils::escape($opComponent, '|');
}
$operand = implode('|', $operand);
}
} elseif ($this->_operator == self::OP_BETWEEN) {
$components = explode('_', $operand);
if (count($components) != 2) {
throw new InvalidArgumentException('Operands used with the <> operator must have ' . 'exactly two boundaries separated by an underscore.');
}
}
}
return parent::_validateRightOperand($operand);
}
