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<?php
namespace exTpl;
/**
* BooleanExpression represents a boolean operator.
*/
class BooleanExpression extends BinaryExpression
{
/**
* Returns the value of this expression.
*
* @param Context $context symbol table
*/
public function value(Context $context): bool
{
$left = $this->left->value($context);
$right = $this->right->value($context);
return match ($this->operator) {
T_IS_EQUAL => $left == $right,
T_IS_NOT_EQUAL => $left != $right,
'<' => $left < $right,
T_IS_SMALLER_OR_EQUAL => $left <= $right,
'>' => $left > $right,
T_IS_GREATER_OR_EQUAL => $left >= $right,
T_BOOLEAN_AND => $left && $right,
T_BOOLEAN_OR => $left || $right,
};
}
}
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