Update page 'P# 1.0 Draft Specification'

P%23-1.0-Draft-Specification.md

@@ -162,6 +162,16 @@ P# have standardized integers, which are stored in 8 bytes (64 bits) regardless
 ### 5.6. Mixed Values
 Mixed pseudo-type indicates that a variable might accept multiple (but not necessarily all) types. It is not a primitive, and thus it cannot be used as typehints.
 
+    <%
+        mixed $var;
+        $var = NULL;
+        var_dump($var); // NULL
+        $var = 'Test';
+        var_dump($var); // string(4) "Test"
+        $var = 7;
+        var_dump($var); // int(7)
+    %>
+
 ### 5.7. Object Values
 An object pseudo type is used for storing a pointer to the object.