diff --git a/engine/compiler.c b/engine/compiler.c
index cd2563d..acddca0 100644
--- a/engine/compiler.c
+++ b/engine/compiler.c
@@ -969,8 +969,8 @@ PH7_PRIVATE sxi32 PH7_CompileList(ph7_gen_state *pGen, sxi32 iCompileFlag) {
 	return SXRET_OK;
 }
 /*
- * Compile an anonymous function or a closure.
- *  Anonymous functions, also known as closures, allow the creation of functions
+ * Compile a closure (anonymous function).
+ *  Closures (also known as anonymous functions), allow the creation of functions
  *  which have no specified name. They are most useful as the value of callback
  *  parameters, but they have many other uses. Closures can also be used as
  *  the values of variables; Assigning a closure to a variable uses the same
@@ -982,11 +982,8 @@ PH7_PRIVATE sxi32 PH7_CompileList(ph7_gen_state *pGen, sxi32 iCompileFlag) {
  * };
  * $greet('World');
  * $greet('AerScript');
- * ?>
- * Note that the implementation of anonymous function and closure under
- * PH7 is completely different from the one used by the zend engine.
  */
-PH7_PRIVATE sxi32 PH7_CompileAnonFunc(ph7_gen_state *pGen, sxi32 iCompileFlag) {
+PH7_PRIVATE sxi32 PH7_CompileClosure(ph7_gen_state *pGen, sxi32 iCompileFlag) {
 	ph7_vm_func *pAnonFunc; /* Anonymous function body */
 	char zName[512];         /* Unique closure name */
 	static int iCnt = 1;     /* There is no worry about thread-safety here,because only
diff --git a/engine/parser.c b/engine/parser.c
index 2ef9243..8653eb0 100644
--- a/engine/parser.c
+++ b/engine/parser.c
@@ -712,7 +712,7 @@ static sxi32 ExprExtractNode(ph7_gen_state *pGen, ph7_expr_node **ppNode) {
 					SyMemBackendPoolFree(&pGen->pVm->sAllocator, pNode);
 					return rc;
 				}
-				pNode->xCode = PH7_CompileAnonFunc;
+				pNode->xCode = PH7_CompileClosure;
 			}
 		} else {
 			/* Assume a literal */
diff --git a/include/compiler.h b/include/compiler.h
index f09fa1b..791e087 100644
--- a/include/compiler.h
+++ b/include/compiler.h
@@ -96,7 +96,6 @@ PH7_PRIVATE sxi32 PH7_CompileArray(ph7_gen_state *pGen, sxi32 iCompileFlag);
 static sxi32 PH7_GenStateListNodeValidator(ph7_gen_state *pGen, ph7_expr_node *pRoot);
 PH7_PRIVATE sxi32 PH7_CompileList(ph7_gen_state *pGen, sxi32 iCompileFlag);
 static sxi32 PH7_GenStateCompileFunc(ph7_gen_state *pGen, SyString *pName, sxi32 iFlags, int bHandleClosure, ph7_vm_func **ppFunc);
-PH7_PRIVATE sxi32 PH7_CompileAnonFunc(ph7_gen_state *pGen, sxi32 iCompileFlag);
 PH7_PRIVATE sxi32 PH7_CompileLangConstruct(ph7_gen_state *pGen, sxi32 iCompileFlag);
 PH7_PRIVATE sxi32 PH7_CompileVariable(ph7_gen_state *pGen, sxi32 iCompileFlag);
 static sxi32 PH7_GenStateLoadLiteral(ph7_gen_state *pGen);
diff --git a/include/ph7int.h b/include/ph7int.h
index ae5d631..5e339d5 100644
--- a/include/ph7int.h
+++ b/include/ph7int.h
@@ -1620,7 +1620,7 @@ PH7_PRIVATE sxi32 PH7_CompileSimpleString(ph7_gen_state *pGen, sxi32 iCompileFla
 PH7_PRIVATE sxi32 PH7_CompileString(ph7_gen_state *pGen, sxi32 iCompileFlag);
 PH7_PRIVATE sxi32 PH7_CompileArray(ph7_gen_state *pGen, sxi32 iCompileFlag);
 PH7_PRIVATE sxi32 PH7_CompileList(ph7_gen_state *pGen, sxi32 iCompileFlag);
-PH7_PRIVATE sxi32 PH7_CompileAnonFunc(ph7_gen_state *pGen, sxi32 iCompileFlag);
+PH7_PRIVATE sxi32 PH7_CompileClosure(ph7_gen_state *pGen, sxi32 iCompileFlag);
 PH7_PRIVATE sxi32 PH7_InitCodeGenerator(ph7_vm *pVm, ProcConsumer xErr, void *pErrData);
 PH7_PRIVATE sxi32 PH7_ResetCodeGenerator(ph7_vm *pVm, ProcConsumer xErr, void *pErrData);
 PH7_PRIVATE sxi32 PH7_GenCompileError(ph7_gen_state *pGen, sxi32 nErrType, sxu32 nLine, const char *zFormat, ...);