1 files changed, 38 insertions, 0 deletions
diff --git a/lib/exTpl/ConditionExpression.php b/lib/exTpl/ConditionExpression.php
new file mode 100644
index 0000000..657ee31
--- /dev/null
+++ b/lib/exTpl/ConditionExpression.php
@@ -0,0 +1,38 @@
+<?php
+
+namespace exTpl;
+
+/**
+ * ConditionExpression represents the conditional operator ('?:').
+ */
+class ConditionExpression implements Expression
+{
+    protected Expression $condition;
+    protected Expression $left;
+    protected Expression $right;
+
+    /**
+     * Initializes a new Expression instance.
+     *
+     * @param Expression $condition expression
+     * @param Expression $left left alternative
+     * @param Expression $right right alternative
+     */
+    public function __construct(Expression $condition, Expression $left, Expression $right)
+    {
+        $this->condition = $condition;
+        $this->left      = $left;
+        $this->right     = $right;
+    }
+
+    /**
+     * Returns the value of this expression.
+     *
+     * @param Context $context symbol table
+     */
+    public function value(Context $context): mixed
+    {
+        return $this->condition->value($context) ?
+            $this->left->value($context) : $this->right->value($context);
+    }
+}