diff --git a/ext/date/php_date.c b/ext/date/php_date.c
index 96cd22129c1..7ac02bf733c 100644
--- a/ext/date/php_date.c
+++ b/ext/date/php_date.c
@@ -1430,6 +1430,7 @@ PHP_FUNCTION(getdate)
 #define PHP_DATE_TIMEZONE_PER_COUNTRY      0x1000
 
 #define PHP_DATE_PERIOD_EXCLUDE_START_DATE 0x0001
+#define PHP_DATE_PERIOD_INCLUDE_END_DATE   0x0002
 
 
 /* define an overloaded iterator structure */
@@ -1470,7 +1471,11 @@ static int date_period_it_has_more(zend_object_iterator *iter)
 	php_period_obj *object   = Z_PHPPERIOD_P(&iterator->intern.data);
 
 	if (object->end) {
-		return object->current->sse < object->end->sse ? SUCCESS : FAILURE;
+		if (object->include_end_date) {
+			return object->current->sse <= object->end->sse ? SUCCESS : FAILURE;
+		} else {
+			return object->current->sse < object->end->sse ? SUCCESS : FAILURE;
+		}
 	} else {
 		return (iterator->current_index < object->recurrences) ? SUCCESS : FAILURE;
 	}
@@ -1734,6 +1739,7 @@ static void date_register_classes(void) /* {{{ */
 	zend_declare_class_constant_long(date_ce_period, const_name, sizeof(const_name)-1, value);
 
 	REGISTER_PERIOD_CLASS_CONST_STRING("EXCLUDE_START_DATE", PHP_DATE_PERIOD_EXCLUDE_START_DATE);
+	REGISTER_PERIOD_CLASS_CONST_STRING("INCLUDE_END_DATE", PHP_DATE_PERIOD_INCLUDE_END_DATE);
 } /* }}} */
 
 static zend_object *date_object_new_date(zend_class_entry *class_type) /* {{{ */
@@ -4567,9 +4573,10 @@ PHP_METHOD(DatePeriod, __construct)
 
 	/* options */
 	dpobj->include_start_date = !(options & PHP_DATE_PERIOD_EXCLUDE_START_DATE);
+	dpobj->include_end_date = options & PHP_DATE_PERIOD_INCLUDE_END_DATE;
 
 	/* recurrrences */
-	dpobj->recurrences = recurrences + dpobj->include_start_date;
+	dpobj->recurrences = recurrences + dpobj->include_start_date + dpobj->include_end_date;
 
 	dpobj->initialized = 1;
 }
diff --git a/ext/date/php_date.h b/ext/date/php_date.h
index d18529f10d3..aa6883a5e46 100644
--- a/ext/date/php_date.h
+++ b/ext/date/php_date.h
@@ -93,6 +93,7 @@ struct _php_period_obj {
 	int               recurrences;
 	bool              initialized;
 	bool              include_start_date;
+	int               include_end_date;
 	zend_object       std;
 };
 
diff --git a/ext/date/tests/date_period_include_end.phpt b/ext/date/tests/date_period_include_end.phpt
new file mode 100644
index 00000000000..c96e2794653
--- /dev/null
+++ b/ext/date/tests/date_period_include_end.phpt
@@ -0,0 +1,19 @@
+--TEST--
+DatePeriod::INCLUDE_END_DATE
+--FILE--
+<?php
+date_default_timezone_set('UTC');
+$start = new DateTime('2010-06-07');
+$end = new DateTime('2010-06-10');
+$interval = new DateInterval('P1D');
+
+foreach (new DatePeriod($start, $interval, $end, DatePeriod::INCLUDE_END_DATE) as $day) {
+    echo $day->format('Y-m-d') . "\n";
+}
+?>
+--EXPECT--
+2010-06-07
+2010-06-08
+2010-06-09
+2010-06-10
+