1 files changed, 27 insertions, 0 deletions
diff --git a/lib/exTpl/BinaryExpression.php b/lib/exTpl/BinaryExpression.php
new file mode 100644
index 0000000..1c82730
--- /dev/null
+++ b/lib/exTpl/BinaryExpression.php
@@ -0,0 +1,27 @@
+<?php
+
+namespace exTpl;
+
+/**
+ * BinaryExpression represents a binary operator.
+ */
+abstract class BinaryExpression implements Expression
+{
+    protected Expression $left;
+    protected Expression $right;
+    protected mixed $operator;
+
+    /**
+     * Initializes a new Expression instance.
+     *
+     * @param Expression $left left operand
+     * @param Expression $right right operand
+     * @param mixed $operator operator token
+     */
+    public function __construct(Expression $left, Expression $right, mixed $operator)
+    {
+        $this->left     = $left;
+        $this->right    = $right;
+        $this->operator = $operator;
+    }
+}