diff --git a/node/expr/post_dec.go b/node/expr/post_dec.go
new file mode 100644
index 0000000..eb217fa
--- /dev/null
+++ b/node/expr/post_dec.go
@@ -0,0 +1,29 @@
+package expr
+
+import (
+	"fmt"
+	"io"
+
+	"github.com/z7zmey/php-parser/node"
+)
+
+type PostDec struct {
+	node.SimpleNode
+	variable node.Node
+}
+
+func NewPostDec(variableession node.Node) node.Node {
+	return PostDec{
+		node.SimpleNode{Name: "PostDec", Attributes: make(map[string]string)},
+		variableession,
+	}
+}
+
+func (n PostDec) Print(out io.Writer, indent string) {
+	fmt.Fprintf(out, "\n%v%v [- -]", indent, n.Name)
+
+	if n.variable != nil {
+		fmt.Fprintf(out, "\n%vvariable:", indent+"  ")
+		n.variable.Print(out, indent+"    ")
+	}
+}
diff --git a/node/expr/post_inc.go b/node/expr/post_inc.go
new file mode 100644
index 0000000..89652b7
--- /dev/null
+++ b/node/expr/post_inc.go
@@ -0,0 +1,29 @@
+package expr
+
+import (
+	"fmt"
+	"io"
+
+	"github.com/z7zmey/php-parser/node"
+)
+
+type PostInc struct {
+	node.SimpleNode
+	variable node.Node
+}
+
+func NewPostInc(variableession node.Node) node.Node {
+	return PostInc{
+		node.SimpleNode{Name: "PostInc", Attributes: make(map[string]string)},
+		variableession,
+	}
+}
+
+func (n PostInc) Print(out io.Writer, indent string) {
+	fmt.Fprintf(out, "\n%v%v [- -]", indent, n.Name)
+
+	if n.variable != nil {
+		fmt.Fprintf(out, "\n%vvariable:", indent+"  ")
+		n.variable.Print(out, indent+"    ")
+	}
+}
diff --git a/node/expr/pre_dec.go b/node/expr/pre_dec.go
new file mode 100644
index 0000000..ff2f3fd
--- /dev/null
+++ b/node/expr/pre_dec.go
@@ -0,0 +1,29 @@
+package expr
+
+import (
+	"fmt"
+	"io"
+
+	"github.com/z7zmey/php-parser/node"
+)
+
+type PreDec struct {
+	node.SimpleNode
+	variable node.Node
+}
+
+func NewPreDec(variableession node.Node) node.Node {
+	return PreDec{
+		node.SimpleNode{Name: "PreDec", Attributes: make(map[string]string)},
+		variableession,
+	}
+}
+
+func (n PreDec) Print(out io.Writer, indent string) {
+	fmt.Fprintf(out, "\n%v%v [- -]", indent, n.Name)
+
+	if n.variable != nil {
+		fmt.Fprintf(out, "\n%vvariable:", indent+"  ")
+		n.variable.Print(out, indent+"    ")
+	}
+}
diff --git a/node/expr/pre_inc.go b/node/expr/pre_inc.go
new file mode 100644
index 0000000..735575a
--- /dev/null
+++ b/node/expr/pre_inc.go
@@ -0,0 +1,29 @@
+package expr
+
+import (
+	"fmt"
+	"io"
+
+	"github.com/z7zmey/php-parser/node"
+)
+
+type PreInc struct {
+	node.SimpleNode
+	variable node.Node
+}
+
+func NewPreInc(variableession node.Node) node.Node {
+	return PreInc{
+		node.SimpleNode{Name: "PreInc", Attributes: make(map[string]string)},
+		variableession,
+	}
+}
+
+func (n PreInc) Print(out io.Writer, indent string) {
+	fmt.Fprintf(out, "\n%v%v [- -]", indent, n.Name)
+
+	if n.variable != nil {
+		fmt.Fprintf(out, "\n%vvariable:", indent+"  ")
+		n.variable.Print(out, indent+"    ")
+	}
+}
diff --git a/parser/parser.go b/parser/parser.go
index c935dbc..bf05bd0 100644
--- a/parser/parser.go
+++ b/parser/parser.go
@@ -3903,25 +3903,25 @@ yydefault:
 		yyDollar = yyS[yypt-2 : yypt+1]
 		//line parser/parser.y:841
 		{
-			yyVAL.node = node.NewSimpleNode("PostIncrement").Append(yyDollar[1].node)
+			yyVAL.node = expr.NewPostInc(yyDollar[1].node)
 		}
 	case 311:
 		yyDollar = yyS[yypt-2 : yypt+1]
 		//line parser/parser.y:842
 		{
-			yyVAL.node = node.NewSimpleNode("PreIncrement").Append(yyDollar[2].node)
+			yyVAL.node = expr.NewPreInc(yyDollar[2].node)
 		}
 	case 312:
 		yyDollar = yyS[yypt-2 : yypt+1]
 		//line parser/parser.y:843
 		{
-			yyVAL.node = node.NewSimpleNode("PostDecrement").Append(yyDollar[1].node)
+			yyVAL.node = expr.NewPostDec(yyDollar[1].node)
 		}
 	case 313:
 		yyDollar = yyS[yypt-2 : yypt+1]
 		//line parser/parser.y:844
 		{
-			yyVAL.node = node.NewSimpleNode("PreDecrement").Append(yyDollar[2].node)
+			yyVAL.node = expr.NewPreDec(yyDollar[2].node)
 		}
 	case 314:
 		yyDollar = yyS[yypt-3 : yypt+1]
diff --git a/parser/parser.y b/parser/parser.y
index 37f557f..144298d 100644
--- a/parser/parser.y
+++ b/parser/parser.y
@@ -838,10 +838,10 @@ expr_without_variable:
     |   variable T_XOR_EQUAL expr                       { $$ = assign_op.NewBitwiseXor($1, $3) }
     |   variable T_SL_EQUAL expr                        { $$ = assign_op.NewShiftLeft($1, $3) }
     |   variable T_SR_EQUAL expr                        { $$ = assign_op.NewShiftRight($1, $3) }
-    |   variable T_INC                                  { $$ = node.NewSimpleNode("PostIncrement").Append($1) }
-    |   T_INC variable                                  { $$ = node.NewSimpleNode("PreIncrement").Append($2) }
-    |   variable T_DEC                                  { $$ = node.NewSimpleNode("PostDecrement").Append($1) }
-    |   T_DEC variable                                  { $$ = node.NewSimpleNode("PreDecrement").Append($2) }
+    |   variable T_INC                                  { $$ = expr.NewPostInc($1) }
+    |   T_INC variable                                  { $$ = expr.NewPreInc($2) }
+    |   variable T_DEC                                  { $$ = expr.NewPostDec($1) }
+    |   T_DEC variable                                  { $$ = expr.NewPreDec($2) }
     |   expr T_BOOLEAN_OR expr                          { $$ = binary_op.NewBooleanOr($1, $3) }
     |   expr T_BOOLEAN_AND expr                         { $$ = binary_op.NewBooleanAnd($1, $3) }
     |   expr T_LOGICAL_OR expr                          { $$ = binary_op.NewLogicalOr($1, $3) }