Merge branch 'PHP-7.3' into PHP-7.4

Author: nikic

ext/intl/dateformat/dateformat_create.cpp

@@ -70,7 +70,7 @@ static int datefmt_ctor(INTERNAL_FUNCTION_PARAMETERS, zend_bool is_constructor)
 	intl_error_reset(NULL);
 	object = return_value;
 	/* Parse parameters. */
-	if (zend_parse_parameters_ex(zpp_flags, ZEND_NUM_ARGS(), "sll|zzs",
+	if (zend_parse_parameters_ex(zpp_flags, ZEND_NUM_ARGS(), "s!ll|zzs",
 			&locale_str, &locale_len, &date_type, &time_type, &timezone_zv,
 			&calendar_zv, &pattern_str, &pattern_str_len) == FAILURE) {
 		intl_error_set( NULL, U_ILLEGAL_ARGUMENT_ERROR,	"datefmt_create: "

ext/intl/tests/bug77895.phpt

@@ -0,0 +1,13 @@
+--TEST--
+Bug #77895: IntlDateFormatter::create fails in strict mode if $locale = null 
+--FILE--
+<?php
+
+declare(strict_types=1);
+
+var_dump(IntlDateFormatter::create(null, IntlDateFormatter::NONE, IntlDateFormatter::NONE));
+
+?>
+--EXPECT--
+object(IntlDateFormatter)#1 (0) {
+}