Fixed Bug #52063 (DateTime constructor's second argument doesn't have a null default value)

ext/date/php_date.c

@@ -2460,7 +2460,7 @@ PHP_FUNCTION(date_create)
 	char           *time_str = NULL;
 	int             time_str_len = 0;
 
-	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|sO", &time_str, &time_str_len, &timezone_object, date_ce_timezone) == FAILURE) {
+	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|sO!", &time_str, &time_str_len, &timezone_object, date_ce_timezone) == FAILURE) {
 		RETURN_FALSE;
 	}
 
@@ -2502,7 +2502,7 @@ PHP_METHOD(DateTime, __construct)
 	zend_error_handling error_handling;
 
 	zend_replace_error_handling(EH_THROW, NULL, &error_handling TSRMLS_CC);
-	if (SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|sO", &time_str, &time_str_len, &timezone_object, date_ce_timezone)) {
+	if (SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|sO!", &time_str, &time_str_len, &timezone_object, date_ce_timezone)) {
 		php_date_initialize(zend_object_store_get_object(getThis() TSRMLS_CC), time_str, time_str_len, NULL, timezone_object, 1 TSRMLS_CC);
 	}
 	zend_restore_error_handling(&error_handling TSRMLS_CC);

ext/date/tests/bug52063.phpt

@@ -0,0 +1,15 @@
+--TEST--
+Bug #52063 (DateTime constructor's second argument doesn't have a null default value)
+--FILE--
+<?php
+date_default_timezone_set("Europe/Lisbon");
+$a = new DateTime("2009-01-01", null);
+echo $a->format(DateTime::COOKIE);
+echo "\n";
+$a = date_create("2009-01-01", null);
+echo $a->format(DateTime::COOKIE);
+echo "\n";
+?>
+--EXPECTF--
+Thursday, 01-Jan-09 00:00:00 WET
+Thursday, 01-Jan-09 00:00:00 WET