diff --git a/Zend/tests/constant_expressions.phpt b/Zend/tests/constant_expressions.phpt
index 441b9a6f2a8..7dea0d83f74 100644
--- a/Zend/tests/constant_expressions.phpt
+++ b/Zend/tests/constant_expressions.phpt
@@ -14,12 +14,26 @@ This is a test string
 ENDOFSTRING;
 const T_9 = ~-1;
 const T_10 = (-1?:1) + (0?2:3);
+const T_11 = 1 && 0;
+const T_12 = 1 and 1;
+const T_13 = 0 || 0;
+const T_14 = 1 or 0;
+const T_15 = 1 xor 1;
+const T_16 = 1 xor 0;
+const T_17 = 1 < 0;
+const T_18 = 0 <= 0;
+const T_19 = 1 > 0;
+const T_20 = 1 >= 0;
+const T_21 = 1 === 1;
+const T_22 = 1 !== 1;
+const T_23 = 0 != "0";
+const T_24 = 1 == "1";
 
 // Test order of operations
-const T_11 = 1 + 2 * 3;
+const T_25 = 1 + 2 * 3;
 
 // Test for memory leaks
-const T_12 = "1" + 2 + "3";
+const T_26 = "1" + 2 + "3";
 
 var_dump(T_1);
 var_dump(T_2);
@@ -33,6 +47,20 @@ var_dump(T_9);
 var_dump(T_10);
 var_dump(T_11);
 var_dump(T_12);
+var_dump(T_13);
+var_dump(T_14);
+var_dump(T_15);
+var_dump(T_16);
+var_dump(T_17);
+var_dump(T_18);
+var_dump(T_19);
+var_dump(T_20);
+var_dump(T_21);
+var_dump(T_22);
+var_dump(T_23);
+var_dump(T_24);
+var_dump(T_25);
+var_dump(T_26);
 ?>
 --EXPECT--
 int(2)
@@ -45,5 +73,19 @@ int(8)
 string(21) "This is a test string"
 int(0)
 int(2)
+bool(false)
+bool(true)
+bool(false)
+bool(true)
+bool(false)
+bool(true)
+bool(false)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(false)
+bool(false)
+bool(true)
 int(7)
 int(6)
diff --git a/Zend/zend_compile.h b/Zend/zend_compile.h
index bbc6e473837..b80a7cb84fc 100644
--- a/Zend/zend_compile.h
+++ b/Zend/zend_compile.h
@@ -722,6 +722,10 @@ int zend_add_literal(zend_op_array *op_array, const zval *zv TSRMLS_DC);
 
 #define ZEND_OP_DATA				137
 
+/* Pseudo-opcodes for internal object overloading */
+#define ZEND_BOOL_AND				-1
+#define ZEND_BOOL_OR				-2
+
 /* END: OPCODES */
 
 /* class fetches */
diff --git a/Zend/zend_language_parser.y b/Zend/zend_language_parser.y
index af00f2ef4a8..65e3e0ce3c5 100644
--- a/Zend/zend_language_parser.y
+++ b/Zend/zend_language_parser.y
@@ -970,23 +970,36 @@ static_scalar_value:
 
 static_operation:
 		static_scalar_value '+' static_scalar_value { zend_ast_add_binary(&$$.u.constant, add_function, &$1.u.constant, &$3.u.constant TSRMLS_CC); }
-	| 	static_scalar_value '-' static_scalar_value { zend_ast_add_binary(&$$.u.constant, sub_function, &$1.u.constant, &$3.u.constant TSRMLS_CC); }
+	|	static_scalar_value '-' static_scalar_value { zend_ast_add_binary(&$$.u.constant, sub_function, &$1.u.constant, &$3.u.constant TSRMLS_CC); }
 	|	static_scalar_value '*' static_scalar_value { zend_ast_add_binary(&$$.u.constant, mul_function, &$1.u.constant, &$3.u.constant TSRMLS_CC); }
-	| 	static_scalar_value '/' static_scalar_value { zend_ast_add_binary(&$$.u.constant, div_function, &$1.u.constant, &$3.u.constant TSRMLS_CC); }
-	| 	static_scalar_value '%' static_scalar_value { zend_ast_add_binary(&$$.u.constant, mod_function, &$1.u.constant, &$3.u.constant TSRMLS_CC); }
-	| 	'!' static_scalar_value { zend_ast_add_unary(&$$.u.constant, boolean_not_function, &$2.u.constant TSRMLS_CC); }
-	| 	'~' static_scalar_value { zend_ast_add_unary(&$$.u.constant, bitwise_not_function, &$2.u.constant TSRMLS_CC); }
-	| 	static_scalar_value '|' static_scalar_value { zend_ast_add_binary(&$$.u.constant, bitwise_or_function, &$1.u.constant, &$3.u.constant TSRMLS_CC); }
-	| 	static_scalar_value '&' static_scalar_value { zend_ast_add_binary(&$$.u.constant, bitwise_and_function, &$1.u.constant, &$3.u.constant TSRMLS_CC); }
-	| 	static_scalar_value '^' static_scalar_value { zend_ast_add_binary(&$$.u.constant, bitwise_xor_function, &$1.u.constant, &$3.u.constant TSRMLS_CC); }
-	| 	static_scalar_value T_SL static_scalar_value { zend_ast_add_binary(&$$.u.constant, shift_left_function, &$1.u.constant, &$3.u.constant TSRMLS_CC); }
-	| 	static_scalar_value T_SR static_scalar_value { zend_ast_add_binary(&$$.u.constant, shift_right_function, &$1.u.constant, &$3.u.constant TSRMLS_CC); }
-	| 	static_scalar_value '.' static_scalar_value { zend_ast_add_binary(&$$.u.constant, concat_function, &$1.u.constant, &$3.u.constant TSRMLS_CC); }
+	|	static_scalar_value '/' static_scalar_value { zend_ast_add_binary(&$$.u.constant, div_function, &$1.u.constant, &$3.u.constant TSRMLS_CC); }
+	|	static_scalar_value '%' static_scalar_value { zend_ast_add_binary(&$$.u.constant, mod_function, &$1.u.constant, &$3.u.constant TSRMLS_CC); }
+	|	'!' static_scalar_value { zend_ast_add_unary(&$$.u.constant, boolean_not_function, &$2.u.constant TSRMLS_CC); }
+	|	'~' static_scalar_value { zend_ast_add_unary(&$$.u.constant, bitwise_not_function, &$2.u.constant TSRMLS_CC); }
+	|	static_scalar_value '|' static_scalar_value { zend_ast_add_binary(&$$.u.constant, bitwise_or_function, &$1.u.constant, &$3.u.constant TSRMLS_CC); }
+	|	static_scalar_value '&' static_scalar_value { zend_ast_add_binary(&$$.u.constant, bitwise_and_function, &$1.u.constant, &$3.u.constant TSRMLS_CC); }
+	|	static_scalar_value '^' static_scalar_value { zend_ast_add_binary(&$$.u.constant, bitwise_xor_function, &$1.u.constant, &$3.u.constant TSRMLS_CC); }
+	|	static_scalar_value T_SL static_scalar_value { zend_ast_add_binary(&$$.u.constant, shift_left_function, &$1.u.constant, &$3.u.constant TSRMLS_CC); }
+	|	static_scalar_value T_SR static_scalar_value { zend_ast_add_binary(&$$.u.constant, shift_right_function, &$1.u.constant, &$3.u.constant TSRMLS_CC); }
+	|	static_scalar_value '.' static_scalar_value { zend_ast_add_binary(&$$.u.constant, concat_function, &$1.u.constant, &$3.u.constant TSRMLS_CC); }
+	|	static_scalar_value T_LOGICAL_XOR static_scalar_value { zend_ast_add_binary(&$$.u.constant, boolean_xor_function, &$1.u.constant, &$3.u.constant TSRMLS_CC); }
+	|	static_scalar_value T_LOGICAL_AND static_scalar_value { zend_ast_add_binary(&$$.u.constant, boolean_and_function, &$1.u.constant, &$3.u.constant TSRMLS_CC); }
+	|	static_scalar_value T_LOGICAL_OR static_scalar_value { zend_ast_add_binary(&$$.u.constant, boolean_or_function, &$1.u.constant, &$3.u.constant TSRMLS_CC); }
+	|	static_scalar_value T_BOOLEAN_AND static_scalar_value { zend_ast_add_binary(&$$.u.constant, boolean_and_function, &$1.u.constant, &$3.u.constant TSRMLS_CC); }
+	|	static_scalar_value T_BOOLEAN_OR static_scalar_value { zend_ast_add_binary(&$$.u.constant, boolean_or_function, &$1.u.constant, &$3.u.constant TSRMLS_CC); }
+	|	static_scalar_value T_IS_IDENTICAL static_scalar_value { zend_ast_add_binary(&$$.u.constant, is_identical_function, &$1.u.constant, &$3.u.constant TSRMLS_CC); }
+	|	static_scalar_value T_IS_NOT_IDENTICAL static_scalar_value { zend_ast_add_binary(&$$.u.constant, is_not_identical_function, &$1.u.constant, &$3.u.constant TSRMLS_CC); }
+	|	static_scalar_value T_IS_EQUAL static_scalar_value { zend_ast_add_binary(&$$.u.constant, is_equal_function, &$1.u.constant, &$3.u.constant TSRMLS_CC); }
+	|	static_scalar_value T_IS_NOT_EQUAL static_scalar_value { zend_ast_add_binary(&$$.u.constant, is_not_equal_function, &$1.u.constant, &$3.u.constant TSRMLS_CC); }
+	|	static_scalar_value '<' static_scalar_value { zend_ast_add_binary(&$$.u.constant, is_smaller_function, &$1.u.constant, &$3.u.constant TSRMLS_CC); }
+	|	static_scalar_value '>' static_scalar_value { zend_ast_add_binary(&$$.u.constant, is_smaller_function, &$3.u.constant, &$1.u.constant TSRMLS_CC); }
+	|	static_scalar_value T_IS_SMALLER_OR_EQUAL static_scalar_value { zend_ast_add_binary(&$$.u.constant, is_smaller_or_equal_function, &$1.u.constant, &$3.u.constant TSRMLS_CC); }
+	|	static_scalar_value T_IS_GREATER_OR_EQUAL static_scalar_value { zend_ast_add_binary(&$$.u.constant, is_smaller_or_equal_function, &$3.u.constant, &$1.u.constant TSRMLS_CC); }
 	|	static_scalar_value '?' ':' static_scalar_value { zend_ast_add_ternary(&$$.u.constant, ternary_function, &$1.u.constant, NULL, &$4.u.constant TSRMLS_CC); }
 	|	static_scalar_value '?' static_scalar_value ':' static_scalar_value { zend_ast_add_ternary(&$$.u.constant, ternary_function, &$1.u.constant, &$3.u.constant, &$5.u.constant TSRMLS_CC); }
 	|	'+' static_scalar_value { ZVAL_LONG(&$1.u.constant, 0); zend_ast_add_binary(&$$.u.constant, add_function, &$1.u.constant, &$2.u.constant TSRMLS_CC); }
 	|	'-' static_scalar_value { ZVAL_LONG(&$1.u.constant, 0); zend_ast_add_binary(&$$.u.constant, sub_function, &$1.u.constant, &$2.u.constant TSRMLS_CC); }
-	| 	'(' static_scalar_value ')' { $$ = $2; }
+	|	'(' static_scalar_value ')' { $$ = $2; }
 ;
 
 
diff --git a/Zend/zend_operators.c b/Zend/zend_operators.c
index 53a84de155e..8c083542f02 100644
--- a/Zend/zend_operators.c
+++ b/Zend/zend_operators.c
@@ -1082,6 +1082,46 @@ ZEND_API int boolean_xor_function(zval *result, zval *op1, zval *op2 TSRMLS_DC)
 }
 /* }}} */
 
+ZEND_API int boolean_and_function(zval *result, zval *op1, zval *op2 TSRMLS_DC) /* {{{ */
+{
+	zval op1_copy, op2_copy;
+	long op1_lval;
+
+	if (Z_TYPE_P(op1) != IS_BOOL || Z_TYPE_P(op2) != IS_BOOL) {
+		ZEND_TRY_BINARY_OBJECT_OPERATION(ZEND_BOOL_AND);
+
+		zendi_convert_to_boolean(op1, op1_copy, result);
+		op1_lval = Z_LVAL_P(op1);
+		zendi_convert_to_boolean(op2, op2_copy, result);
+	} else {
+		op1_lval = Z_LVAL_P(op1);
+	}
+
+	ZVAL_BOOL(result, op1_lval & Z_LVAL_P(op2));
+	return SUCCESS;
+}
+/* }}} */
+
+ZEND_API int boolean_or_function(zval *result, zval *op1, zval *op2 TSRMLS_DC) /* {{{ */
+{
+	zval op1_copy, op2_copy;
+	long op1_lval;
+
+	if (Z_TYPE_P(op1) != IS_BOOL || Z_TYPE_P(op2) != IS_BOOL) {
+		ZEND_TRY_BINARY_OBJECT_OPERATION(ZEND_BOOL_OR);
+
+		zendi_convert_to_boolean(op1, op1_copy, result);
+		op1_lval = Z_LVAL_P(op1);
+		zendi_convert_to_boolean(op2, op2_copy, result);
+	} else {
+		op1_lval = Z_LVAL_P(op1);
+	}
+
+	ZVAL_BOOL(result, op1_lval | Z_LVAL_P(op2));
+	return SUCCESS;
+}
+/* }}} */
+
 ZEND_API int boolean_not_function(zval *result, zval *op1 TSRMLS_DC) /* {{{ */
 {
 	zval op1_copy;
diff --git a/Zend/zend_operators.h b/Zend/zend_operators.h
index 79ede573205..3f0fc2ef6a0 100644
--- a/Zend/zend_operators.h
+++ b/Zend/zend_operators.h
@@ -50,6 +50,8 @@ ZEND_API int mul_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
 ZEND_API int div_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
 ZEND_API int mod_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
 ZEND_API int boolean_xor_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
+ZEND_API int boolean_and_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
+ZEND_API int boolean_or_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
 ZEND_API int boolean_not_function(zval *result, zval *op1 TSRMLS_DC);
 ZEND_API int bitwise_not_function(zval *result, zval *op1 TSRMLS_DC);
 ZEND_API int bitwise_or_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);