Add Php::is_a implementation.

Add is, isSubClassOf for Php::Value.
Add Php::is_a implementation.
Add Php::is_subclass_of implementation.

2 files changed, 39 insertions, 0 deletions

diff --git a/include/fastcall.h b/include/fastcall.h
new file mode 100644
index 0000000..778a9b2
--- /dev/null
+++ b/include/fastcall.h
@@ -0,0 +1,18 @@
+/**
+ *  fastcall.h
+ *
+ *  This file holds some PHP functions implementation in C directly.
+ *
+ */
+
+namespace Php {
+
+    inline bool is_a(const Value &obj, const std::string classname, bool allow_string = false) {
+        return obj.is(classname, allow_string);
+    }
+    inline bool is_subclass_of(const Value &obj, const std::string classname, bool allow_string = true) {
+        return obj.isSubClassOf(classname, allow_string);
+    }
+
+}
+
diff --git a/include/value.h b/include/value.h
index f72304c..b3c288c 100644
--- a/include/value.h
+++ b/include/value.h
@@ -965,7 +965,28 @@ public:
         return dynamic_cast<T*>(base);
     }
 
+    /**
+     *  Checks if this object is of the class or has the class as one of its parents
+     *  @param classname
+     *  @param allow_string
+     *  @return bool
+     */
+    inline bool is(const std::string &classname, bool allow_string=false) const {
+        return isImpl(classname, allow_string, false);
+    }
+
+    /**
+     *  Checks if this object has the class as one of its parents
+     *  @param classname
+     *  @return bool
+     */
+    inline bool isSubClassOf(const std::string &classname, bool allow_string=true) const {
+        return isImpl(classname, allow_string, true);
+    }
+
 private:
+
+    bool isImpl(const std::string &classname, bool allow_string, bool only_subclass) const;
     /**
      *  Call function with a number of parameters
      *  @param  argc        Number of parameters