diff --git a/ext/intl/tests/dateformat_calendars_variant3.phpt b/ext/intl/tests/dateformat_calendars_variant3.phpt
index d189361bcffb6..1ad970d07d0e6 100644
--- a/ext/intl/tests/dateformat_calendars_variant3.phpt
+++ b/ext/intl/tests/dateformat_calendars_variant3.phpt
@@ -6,6 +6,7 @@ date.timezone=Atlantic/Azores
 intl
 --SKIPIF--
 <?php if (version_compare(INTL_ICU_VERSION, '54.1') < 0) die('skip for ICU >= 54.1'); ?>
+<?php if (version_compare(INTL_ICU_VERSION, '72.1') >= 0) die('skip for ICU < 72.1'); ?>
 --FILE--
 <?php
 ini_set("intl.error_level", E_WARNING);
diff --git a/ext/intl/tests/dateformat_calendars_variant_icu72-1.phpt b/ext/intl/tests/dateformat_calendars_variant_icu72-1.phpt
new file mode 100644
index 0000000000000..c63b302d8e5e9
--- /dev/null
+++ b/ext/intl/tests/dateformat_calendars_variant_icu72-1.phpt
@@ -0,0 +1,48 @@
+--TEST--
+IntlDateFormatter, calendars and time zone
+--INI--
+date.timezone=Atlantic/Azores
+--EXTENSIONS--
+intl
+--SKIPIF--
+<?php if (version_compare(INTL_ICU_VERSION, '72.1') < 0) die('skip for ICU >= 72.1'); ?>
+--FILE--
+<?php
+ini_set("intl.error_level", E_WARNING);
+
+$fmt1 = new IntlDateFormatter('en_US',
+    IntlDateFormatter::FULL,
+    IntlDateFormatter::FULL,
+    'GMT+05:12',
+    IntlDateFormatter::TRADITIONAL);
+$fmt2 = new IntlDateFormatter('en_US',
+    IntlDateFormatter::FULL,
+    IntlDateFormatter::FULL,
+    'GMT+05:12',
+    IntlDateFormatter::GREGORIAN);
+$fmt3 = new IntlDateFormatter('en_US@calendar=hebrew',
+    IntlDateFormatter::FULL,
+    IntlDateFormatter::FULL,
+    'GMT+05:12',
+    IntlDateFormatter::TRADITIONAL);
+var_dump($fmt1->format(strtotime('2012-01-01 00:00:00 +0000')));
+var_dump($fmt2->format(strtotime('2012-01-01 00:00:00 +0000')));
+var_dump($fmt3->format(strtotime('2012-01-01 00:00:00 +0000')));
+
+new IntlDateFormatter('en_US@calendar=hebrew',
+    IntlDateFormatter::FULL,
+    IntlDateFormatter::FULL,
+    'GMT+05:12',
+    -1);
+?>
+==DONE==
+--EXPECTF--
+string(49) "Sunday, January 1, 2012 at 5:12:00 AM GMT+05:12"
+string(49) "Sunday, January 1, 2012 at 5:12:00 AM GMT+05:12"
+string(46) "Sunday, 6 Tevet 5772 at 5:12:00 AM GMT+05:12"
+
+Fatal error: Uncaught IntlException: IntlDateFormatter::__construct(): datefmt_create: Invalid value for calendar type; it must be one of IntlDateFormatter::TRADITIONAL (locale's default calendar) or IntlDateFormatter::GREGORIAN. Alternatively, it can be an IntlCalendar object in %s:%d
+Stack trace:
+#0 %s(%d): IntlDateFormatter->__construct('en_US@calendar=...', 0, 0, 'GMT+05:12', -1)
+#1 {main}
+  thrown in %s on line %d
diff --git a/ext/intl/tests/dateformat_create_default.phpt b/ext/intl/tests/dateformat_create_default.phpt
index eddac36f5ea39..1479ee9a98476 100644
--- a/ext/intl/tests/dateformat_create_default.phpt
+++ b/ext/intl/tests/dateformat_create_default.phpt
@@ -4,6 +4,8 @@ IntlDateFormatter::create() with default date and time types
 intl
 --INI--
 date.timezone=UTC
+--SKIPIF--
+<?php if (version_compare(INTL_ICU_VERSION, '72.1') >= 0) die('skip for ICU < 72.1'); ?>
 --FILE--
 <?php
 
diff --git a/ext/intl/tests/dateformat_create_default_icu72-1.phpt b/ext/intl/tests/dateformat_create_default_icu72-1.phpt
new file mode 100644
index 0000000000000..35aab880ee903
--- /dev/null
+++ b/ext/intl/tests/dateformat_create_default_icu72-1.phpt
@@ -0,0 +1,26 @@
+--TEST--
+IntlDateFormatter::create() with default date and time types
+--EXTENSIONS--
+intl
+--INI--
+date.timezone=UTC
+--SKIPIF--
+<?php if (version_compare(INTL_ICU_VERSION, '72.1') < 0) die('skip for ICU >= 72.1'); ?>
+--FILE--
+<?php
+
+$ts = strtotime('2012-01-01 00:00:00 UTC');
+$fmt = IntlDateFormatter::create('en_US');
+echo $fmt->format($ts), "\n";
+
+$fmt = new IntlDateFormatter('en_US');
+echo $fmt->format($ts), "\n";
+
+$fmt = datefmt_create('en_US');
+echo $fmt->format($ts), "\n";
+
+?>
+--EXPECT--
+Sunday, January 1, 2012 at 12:00:00 AM Coordinated Universal Time
+Sunday, January 1, 2012 at 12:00:00 AM Coordinated Universal Time
+Sunday, January 1, 2012 at 12:00:00 AM Coordinated Universal Time
diff --git a/ext/intl/tests/dateformat_formatObject_calendar_variant5.phpt b/ext/intl/tests/dateformat_formatObject_calendar_variant5.phpt
index 494b66768906f..9eb9f39a917a7 100644
--- a/ext/intl/tests/dateformat_formatObject_calendar_variant5.phpt
+++ b/ext/intl/tests/dateformat_formatObject_calendar_variant5.phpt
@@ -4,6 +4,7 @@ IntlDateFormatter::formatObject(): IntlCalendar tests
 intl
 --SKIPIF--
 <?php if (version_compare(INTL_ICU_VERSION, '55.1') < 0) die('skip for ICU >= 55.1'); ?>
+<?php if (version_compare(INTL_ICU_VERSION, '72.1') >= 0) die('skip for ICU < 72.1'); ?>
 --FILE--
 <?php
 ini_set("intl.error_level", E_WARNING);
diff --git a/ext/intl/tests/dateformat_formatObject_calendar_variant_icu72-1.phpt b/ext/intl/tests/dateformat_formatObject_calendar_variant_icu72-1.phpt
new file mode 100644
index 0000000000000..fc5ddb6fc4fe4
--- /dev/null
+++ b/ext/intl/tests/dateformat_formatObject_calendar_variant_icu72-1.phpt
@@ -0,0 +1,37 @@
+--TEST--
+IntlDateFormatter::formatObject(): IntlCalendar tests
+--EXTENSIONS--
+intl
+--SKIPIF--
+<?php if (version_compare(INTL_ICU_VERSION, '72.1') < 0) die('skip for ICU >= 72.1'); ?>
+--FILE--
+<?php
+ini_set("intl.error_level", E_WARNING);
+ini_set("intl.default_locale", "pt_PT");
+ini_set("date.timezone", "Europe/Lisbon");
+
+$cal = IntlCalendar::fromDateTime('2012-01-01 00:00:00'); //Europe/Lisbon
+echo IntlDateFormatter::formatObject($cal), "\n";
+echo IntlDateFormatter::formatObject($cal, IntlDateFormatter::FULL), "\n";
+echo IntlDateFormatter::formatObject($cal, null, "en-US"), "\n";
+echo IntlDateFormatter::formatObject($cal, array(IntlDateFormatter::SHORT, IntlDateFormatter::FULL), "en-US"), "\n";
+echo IntlDateFormatter::formatObject($cal, 'E y-MM-d HH,mm,ss.SSS v', "en-US"), "\n";
+
+$cal = IntlCalendar::fromDateTime('2012-01-01 05:00:00+03:00');
+echo datefmt_format_object($cal, IntlDateFormatter::FULL), "\n";
+
+$cal = IntlCalendar::createInstance(null,'en-US@calendar=islamic-civil');
+$cal->setTime(strtotime('2012-01-01 00:00:00')*1000.);
+echo IntlDateFormatter::formatObject($cal), "\n";
+echo IntlDateFormatter::formatObject($cal, IntlDateFormatter::FULL, "en-US"), "\n";
+
+?>
+--EXPECTF--
+01/01/2012, 00:00:00
+domingo, 1 de janeiro de 2012 às 00:00:00 Hora padrão %Sda Europa Ocidental
+Jan 1, 2012, 12:00:00 AM
+1/1/12, 12:00:00 AM Western European Standard Time
+Sun 2012-01-1 00,00,00.000 Portugal Time
+domingo, 1 de janeiro de 2012 às 05:00:00 GMT+03:00
+06/02/1433, 00:00:00
+Sunday, Safar 6, 1433 at 12:00:00 AM Western European Standard Time
diff --git a/ext/intl/tests/dateformat_formatObject_datetime_variant5.phpt b/ext/intl/tests/dateformat_formatObject_datetime_variant5.phpt
index b51a46d7f3976..b3c2ecc8e7932 100644
--- a/ext/intl/tests/dateformat_formatObject_datetime_variant5.phpt
+++ b/ext/intl/tests/dateformat_formatObject_datetime_variant5.phpt
@@ -4,6 +4,7 @@ IntlDateFormatter::formatObject(): DateTime tests
 intl
 --SKIPIF--
 <?php if (version_compare(INTL_ICU_VERSION, '55.1') < 0) die('skip for ICU >= 55.1'); ?>
+<?php if (version_compare(INTL_ICU_VERSION, '72.1') >= 0) die('skip for ICU < 72.1'); ?>
 --FILE--
 <?php
 ini_set("intl.error_level", E_WARNING);
diff --git a/ext/intl/tests/dateformat_formatObject_datetime_variant_icu72-1.phpt b/ext/intl/tests/dateformat_formatObject_datetime_variant_icu72-1.phpt
new file mode 100644
index 0000000000000..fe30d1f85ac19
--- /dev/null
+++ b/ext/intl/tests/dateformat_formatObject_datetime_variant_icu72-1.phpt
@@ -0,0 +1,30 @@
+--TEST--
+IntlDateFormatter::formatObject(): DateTime tests
+--EXTENSIONS--
+intl
+--SKIPIF--
+<?php if (version_compare(INTL_ICU_VERSION, '72.1') < 0) die('skip for ICU < 72.1'); ?>
+--FILE--
+<?php
+ini_set("intl.error_level", E_WARNING);
+ini_set("intl.default_locale", "pt_PT");
+ini_set("date.timezone", "Europe/Lisbon");
+
+$dt = new DateTime('2012-01-01 00:00:00'); //Europe/Lisbon
+echo IntlDateFormatter::formatObject($dt), "\n";
+echo IntlDateFormatter::formatObject($dt, IntlDateFormatter::FULL), "\n";
+echo IntlDateFormatter::formatObject($dt, null, "en-US"), "\n";
+echo IntlDateFormatter::formatObject($dt, array(IntlDateFormatter::SHORT, IntlDateFormatter::FULL), "en-US"), "\n";
+echo IntlDateFormatter::formatObject($dt, 'E y-MM-d HH,mm,ss.SSS v', "en-US"), "\n";
+
+$dt = new DateTime('2012-01-01 05:00:00+03:00');
+echo IntlDateFormatter::formatObject($dt, IntlDateFormatter::FULL), "\n";
+
+?>
+--EXPECTF--
+01/01/2012, 00:00:00
+domingo, 1 de janeiro de 2012 às 00:00:00 Hora padrão %Sda Europa Ocidental
+Jan 1, 2012, 12:00:00 AM
+1/1/12, 12:00:00 AM Western European Standard Time
+Sun 2012-01-1 00,00,00.000 Portugal Time
+domingo, 1 de janeiro de 2012 às 05:00:00 GMT+03:00
diff --git a/ext/intl/tests/dateformat_format_parse_version2.phpt b/ext/intl/tests/dateformat_format_parse_version2.phpt
index 19e7d914adcfd..1293d29c383bf 100644
--- a/ext/intl/tests/dateformat_format_parse_version2.phpt
+++ b/ext/intl/tests/dateformat_format_parse_version2.phpt
@@ -4,6 +4,7 @@ datefmt_format_code() and datefmt_parse_code()
 intl
 --SKIPIF--
 <?php if (version_compare(INTL_ICU_VERSION, '51.2') < 0) die('skip for ICU >= 51.2'); ?>
+<?php if (version_compare(INTL_ICU_VERSION, '72.1') >= 0) die('skip for ICU < 72.1'); ?>
 --FILE--
 <?php
 
diff --git a/ext/intl/tests/dateformat_format_parse_version_icu72-1.phpt b/ext/intl/tests/dateformat_format_parse_version_icu72-1.phpt
new file mode 100644
index 0000000000000..890546fa71152
--- /dev/null
+++ b/ext/intl/tests/dateformat_format_parse_version_icu72-1.phpt
@@ -0,0 +1,296 @@
+--TEST--
+datefmt_format_code() and datefmt_parse_code()
+--EXTENSIONS--
+intl
+--SKIPIF--
+<?php if (version_compare(INTL_ICU_VERSION, '72.1') < 0) die('skip for ICU >= 72.1'); ?>
+--FILE--
+<?php
+
+/*
+ * Test for the datefmt_format  function
+ */
+
+
+function ut_main()
+{
+    $timezone = 'GMT+05:00';
+
+    $locale_arr = array (
+        'en_US'
+    );
+
+    $datetype_arr = array (
+                IntlDateFormatter::FULL,
+                IntlDateFormatter::LONG,
+                IntlDateFormatter::MEDIUM
+        );
+
+        $res_str = '';
+
+
+    $time_arr = array (
+        0,
+        -1200000,
+        1200000,
+        2200000000,
+        -2200000000,
+        90099999,
+        3600,
+        -3600
+    );
+
+    $localtime_arr1 = array (
+        'tm_sec' => 24 ,
+        'tm_min' => 3,
+        'tm_hour' => 19,
+        'tm_mday' => 3,
+        'tm_mon' => 3,
+        'tm_year' => 105,
+    );
+    $localtime_arr2 = array (
+        'tm_sec' => 21,
+        'tm_min' => 5,
+        'tm_hour' => 7,
+        'tm_mday' => 13,
+        'tm_mon' => 7,
+        'tm_year' => 205,
+    );
+    $localtime_arr3 = array (
+            'tm_sec' => 11,
+            'tm_min' => 13,
+            'tm_hour' => 0,
+            'tm_mday' => 17,
+            'tm_mon' => 11,
+            'tm_year' => -5
+        );
+
+    $localtime_arr = array (
+        $localtime_arr1,
+        $localtime_arr2,
+        $localtime_arr3
+    );
+
+    //Test format and parse with a timestamp : long
+    foreach( $time_arr as $timestamp_entry){
+        $res_str .= "\n------------\n";
+        $res_str .= "\nInput timestamp is : $timestamp_entry";
+        $res_str .= "\n------------\n";
+        foreach( $locale_arr as $locale_entry ){
+            foreach( $datetype_arr as $datetype_entry ) {
+                $res_str .= "\nIntlDateFormatter locale= $locale_entry ,datetype = $datetype_entry ,timetype =$datetype_entry ";
+                $fmt = ut_datefmt_create( $locale_entry , $datetype_entry ,$datetype_entry,$timezone);
+                $formatted = ut_datefmt_format( $fmt , $timestamp_entry);
+                $res_str .= "\nFormatted timestamp is : $formatted";
+                $parsed = ut_datefmt_parse( $fmt , $formatted);
+                if( intl_get_error_code() == U_ZERO_ERROR){
+                    $res_str .= "\nParsed timestamp is : $parsed";
+                }else{
+                    $res_str .= "\nError while parsing as: '".intl_get_error_message()."'";
+                }
+            }
+        }
+    }
+
+    //Test format and parse with a localtime :array
+    foreach( $localtime_arr as $localtime_entry){
+        $res_str .= "\n------------\n";
+        $res_str .= "\nInput localtime is : ";
+        foreach( $localtime_entry as $key => $value){
+                    $res_str .= "$key : '$value' , ";
+        }
+
+        $res_str .= "\n------------\n";
+        foreach( $locale_arr as $locale_entry ){
+            foreach( $datetype_arr as $datetype_entry ) {
+                $res_str .= "\nIntlDateFormatter locale= $locale_entry ,datetype = $datetype_entry ,timetype =$datetype_entry ";
+                $fmt = ut_datefmt_create( $locale_entry , $datetype_entry ,$datetype_entry,$timezone);
+                $formatted1 = ut_datefmt_format( $fmt , $localtime_entry);
+                if( intl_get_error_code() == U_ZERO_ERROR){
+                    $res_str .= "\nFormatted localtime_array is : $formatted1";
+                }else{
+                    $res_str .= "\nError while formatting as: '".intl_get_error_message()."'";
+                }
+                //Parsing
+                $parsed_arr = ut_datefmt_localtime( $fmt, $formatted1 );
+
+                if( $parsed_arr){
+                    $res_str .= "\nParsed array is: ";
+                    foreach( $parsed_arr as $key => $value){
+                        $res_str .= "$key : '$value' , ";
+                    }
+                }
+/*
+                else{
+                    //$res_str .= "No values found from LocaleTime parsing.";
+                    $res_str .= "\tError : '".intl_get_error_message()."'";
+                }
+*/
+            }
+        }
+    }
+
+    return $res_str;
+
+}
+
+include_once( 'ut_common.inc' );
+
+// Run the test
+ut_run();
+?>
+--EXPECT--
+------------
+
+Input timestamp is : 0
+------------
+
+IntlDateFormatter locale= en_US ,datetype = 0 ,timetype =0 
+Formatted timestamp is : Thursday, January 1, 1970 at 5:00:00 AM GMT+05:00
+Parsed timestamp is : 0
+IntlDateFormatter locale= en_US ,datetype = 1 ,timetype =1 
+Formatted timestamp is : January 1, 1970 at 5:00:00 AM GMT+5
+Parsed timestamp is : 0
+IntlDateFormatter locale= en_US ,datetype = 2 ,timetype =2 
+Formatted timestamp is : Jan 1, 1970, 5:00:00 AM
+Parsed timestamp is : 0
+------------
+
+Input timestamp is : -1200000
+------------
+
+IntlDateFormatter locale= en_US ,datetype = 0 ,timetype =0 
+Formatted timestamp is : Thursday, December 18, 1969 at 7:40:00 AM GMT+05:00
+Parsed timestamp is : -1200000
+IntlDateFormatter locale= en_US ,datetype = 1 ,timetype =1 
+Formatted timestamp is : December 18, 1969 at 7:40:00 AM GMT+5
+Parsed timestamp is : -1200000
+IntlDateFormatter locale= en_US ,datetype = 2 ,timetype =2 
+Formatted timestamp is : Dec 18, 1969, 7:40:00 AM
+Parsed timestamp is : -1200000
+------------
+
+Input timestamp is : 1200000
+------------
+
+IntlDateFormatter locale= en_US ,datetype = 0 ,timetype =0 
+Formatted timestamp is : Thursday, January 15, 1970 at 2:20:00 AM GMT+05:00
+Parsed timestamp is : 1200000
+IntlDateFormatter locale= en_US ,datetype = 1 ,timetype =1 
+Formatted timestamp is : January 15, 1970 at 2:20:00 AM GMT+5
+Parsed timestamp is : 1200000
+IntlDateFormatter locale= en_US ,datetype = 2 ,timetype =2 
+Formatted timestamp is : Jan 15, 1970, 2:20:00 AM
+Parsed timestamp is : 1200000
+------------
+
+Input timestamp is : 2200000000
+------------
+
+IntlDateFormatter locale= en_US ,datetype = 0 ,timetype =0 
+Formatted timestamp is : Monday, September 19, 2039 at 4:06:40 AM GMT+05:00
+Parsed timestamp is : 2200000000
+IntlDateFormatter locale= en_US ,datetype = 1 ,timetype =1 
+Formatted timestamp is : September 19, 2039 at 4:06:40 AM GMT+5
+Parsed timestamp is : 2200000000
+IntlDateFormatter locale= en_US ,datetype = 2 ,timetype =2 
+Formatted timestamp is : Sep 19, 2039, 4:06:40 AM
+Parsed timestamp is : 2200000000
+------------
+
+Input timestamp is : -2200000000
+------------
+
+IntlDateFormatter locale= en_US ,datetype = 0 ,timetype =0 
+Formatted timestamp is : Sunday, April 15, 1900 at 5:53:20 AM GMT+05:00
+Parsed timestamp is : -2200000000
+IntlDateFormatter locale= en_US ,datetype = 1 ,timetype =1 
+Formatted timestamp is : April 15, 1900 at 5:53:20 AM GMT+5
+Parsed timestamp is : -2200000000
+IntlDateFormatter locale= en_US ,datetype = 2 ,timetype =2 
+Formatted timestamp is : Apr 15, 1900, 5:53:20 AM
+Parsed timestamp is : -2200000000
+------------
+
+Input timestamp is : 90099999
+------------
+
+IntlDateFormatter locale= en_US ,datetype = 0 ,timetype =0 
+Formatted timestamp is : Thursday, November 9, 1972 at 12:46:39 AM GMT+05:00
+Parsed timestamp is : 90099999
+IntlDateFormatter locale= en_US ,datetype = 1 ,timetype =1 
+Formatted timestamp is : November 9, 1972 at 12:46:39 AM GMT+5
+Parsed timestamp is : 90099999
+IntlDateFormatter locale= en_US ,datetype = 2 ,timetype =2 
+Formatted timestamp is : Nov 9, 1972, 12:46:39 AM
+Parsed timestamp is : 90099999
+------------
+
+Input timestamp is : 3600
+------------
+
+IntlDateFormatter locale= en_US ,datetype = 0 ,timetype =0 
+Formatted timestamp is : Thursday, January 1, 1970 at 6:00:00 AM GMT+05:00
+Parsed timestamp is : 3600
+IntlDateFormatter locale= en_US ,datetype = 1 ,timetype =1 
+Formatted timestamp is : January 1, 1970 at 6:00:00 AM GMT+5
+Parsed timestamp is : 3600
+IntlDateFormatter locale= en_US ,datetype = 2 ,timetype =2 
+Formatted timestamp is : Jan 1, 1970, 6:00:00 AM
+Parsed timestamp is : 3600
+------------
+
+Input timestamp is : -3600
+------------
+
+IntlDateFormatter locale= en_US ,datetype = 0 ,timetype =0 
+Formatted timestamp is : Thursday, January 1, 1970 at 4:00:00 AM GMT+05:00
+Parsed timestamp is : -3600
+IntlDateFormatter locale= en_US ,datetype = 1 ,timetype =1 
+Formatted timestamp is : January 1, 1970 at 4:00:00 AM GMT+5
+Parsed timestamp is : -3600
+IntlDateFormatter locale= en_US ,datetype = 2 ,timetype =2 
+Formatted timestamp is : Jan 1, 1970, 4:00:00 AM
+Parsed timestamp is : -3600
+------------
+
+Input localtime is : tm_sec : '24' , tm_min : '3' , tm_hour : '19' , tm_mday : '3' , tm_mon : '3' , tm_year : '105' , 
+------------
+
+IntlDateFormatter locale= en_US ,datetype = 0 ,timetype =0 
+Formatted localtime_array is : Sunday, April 3, 2005 at 7:03:24 PM GMT+05:00
+Parsed array is: tm_sec : '24' , tm_min : '3' , tm_hour : '19' , tm_year : '105' , tm_mday : '3' , tm_wday : '0' , tm_yday : '93' , tm_mon : '3' , tm_isdst : '0' , 
+IntlDateFormatter locale= en_US ,datetype = 1 ,timetype =1 
+Formatted localtime_array is : April 3, 2005 at 7:03:24 PM GMT+5
+Parsed array is: tm_sec : '24' , tm_min : '3' , tm_hour : '19' , tm_year : '105' , tm_mday : '3' , tm_wday : '0' , tm_yday : '93' , tm_mon : '3' , tm_isdst : '0' , 
+IntlDateFormatter locale= en_US ,datetype = 2 ,timetype =2 
+Formatted localtime_array is : Apr 3, 2005, 7:03:24 PM
+Parsed array is: tm_sec : '24' , tm_min : '3' , tm_hour : '19' , tm_year : '105' , tm_mday : '3' , tm_wday : '0' , tm_yday : '93' , tm_mon : '3' , tm_isdst : '0' , 
+------------
+
+Input localtime is : tm_sec : '21' , tm_min : '5' , tm_hour : '7' , tm_mday : '13' , tm_mon : '7' , tm_year : '205' , 
+------------
+
+IntlDateFormatter locale= en_US ,datetype = 0 ,timetype =0 
+Formatted localtime_array is : Thursday, August 13, 2105 at 7:05:21 AM GMT+05:00
+Parsed array is: tm_sec : '21' , tm_min : '5' , tm_hour : '7' , tm_year : '205' , tm_mday : '13' , tm_wday : '4' , tm_yday : '225' , tm_mon : '7' , tm_isdst : '0' , 
+IntlDateFormatter locale= en_US ,datetype = 1 ,timetype =1 
+Formatted localtime_array is : August 13, 2105 at 7:05:21 AM GMT+5
+Parsed array is: tm_sec : '21' , tm_min : '5' , tm_hour : '7' , tm_year : '205' , tm_mday : '13' , tm_wday : '4' , tm_yday : '225' , tm_mon : '7' , tm_isdst : '0' , 
+IntlDateFormatter locale= en_US ,datetype = 2 ,timetype =2 
+Formatted localtime_array is : Aug 13, 2105, 7:05:21 AM
+Parsed array is: tm_sec : '21' , tm_min : '5' , tm_hour : '7' , tm_year : '205' , tm_mday : '13' , tm_wday : '4' , tm_yday : '225' , tm_mon : '7' , tm_isdst : '0' , 
+------------
+
+Input localtime is : tm_sec : '11' , tm_min : '13' , tm_hour : '0' , tm_mday : '17' , tm_mon : '11' , tm_year : '-5' , 
+------------
+
+IntlDateFormatter locale= en_US ,datetype = 0 ,timetype =0 
+Formatted localtime_array is : Tuesday, December 17, 1895 at 12:13:11 AM GMT+05:00
+Parsed array is: tm_sec : '11' , tm_min : '13' , tm_hour : '0' , tm_year : '-5' , tm_mday : '17' , tm_wday : '2' , tm_yday : '351' , tm_mon : '11' , tm_isdst : '0' , 
+IntlDateFormatter locale= en_US ,datetype = 1 ,timetype =1 
+Formatted localtime_array is : December 17, 1895 at 12:13:11 AM GMT+5
+Parsed array is: tm_sec : '11' , tm_min : '13' , tm_hour : '0' , tm_year : '-5' , tm_mday : '17' , tm_wday : '2' , tm_yday : '351' , tm_mon : '11' , tm_isdst : '0' , 
+IntlDateFormatter locale= en_US ,datetype = 2 ,timetype =2 
+Formatted localtime_array is : Dec 17, 1895, 12:13:11 AM
+Parsed array is: tm_sec : '11' , tm_min : '13' , tm_hour : '0' , tm_year : '-5' , tm_mday : '17' , tm_wday : '2' , tm_yday : '351' , tm_mon : '11' , tm_isdst : '0' ,
diff --git a/ext/intl/tests/dateformat_set_timezone_id3.phpt b/ext/intl/tests/dateformat_set_timezone_id3.phpt
index e0d7cd0e52607..a4952eb5a3dcb 100644
--- a/ext/intl/tests/dateformat_set_timezone_id3.phpt
+++ b/ext/intl/tests/dateformat_set_timezone_id3.phpt
@@ -6,6 +6,7 @@ date.timezone=Atlantic/Azores
 intl
 --SKIPIF--
 <?php if (version_compare(INTL_ICU_VERSION, '51.2') < 0) die('skip for ICU >= 51.2'); ?>
+<?php if (version_compare(INTL_ICU_VERSION, '72.1') >= 0) die('skip for ICU < 72.1'); ?>
 --FILE--
 <?php
 
diff --git a/ext/intl/tests/dateformat_set_timezone_id_icu72-1.phpt b/ext/intl/tests/dateformat_set_timezone_id_icu72-1.phpt
new file mode 100644
index 0000000000000..aedf886da2dd0
--- /dev/null
+++ b/ext/intl/tests/dateformat_set_timezone_id_icu72-1.phpt
@@ -0,0 +1,85 @@
+--TEST--
+datefmt_set_timezone_id_code() icu >= 4.8
+--INI--
+date.timezone=Atlantic/Azores
+--EXTENSIONS--
+intl
+--SKIPIF--
+<?php if (version_compare(INTL_ICU_VERSION, '72.1') < 0) die('skip for ICU >= 72.1'); ?>
+--FILE--
+<?php
+
+ini_set("intl.error_level", E_WARNING);
+
+/*
+ * Test for the datefmt_set_timezone_id  function
+ */
+
+
+function ut_main()
+{
+    $timezone_id_arr = array (
+        'America/New_York',
+        'America/Los_Angeles',
+        'America/Chicago',
+        'CN'
+    );
+    $timestamp_entry = 0;
+
+    $res_str = '';
+
+    $fmt = ut_datefmt_create( "en_US",  IntlDateFormatter::FULL, IntlDateFormatter::FULL, 'US/Pacific' , IntlDateFormatter::GREGORIAN  );
+    $timezone_id = ut_datefmt_get_timezone_id( $fmt );
+    $res_str .= "\nAfter creation of the dateformatter :  timezone_id= $timezone_id\n";
+
+    foreach( $timezone_id_arr as $timezone_id_entry )
+    {
+
+        $res_str .= "-----------";
+        $res_str .= "\nTrying to set timezone_id= $timezone_id_entry";
+        ut_datefmt_set_timezone_id( $fmt , $timezone_id_entry );
+        $timezone_id = ut_datefmt_get_timezone_id( $fmt );
+        $res_str .= "\nAfter call to set_timezone_id :  timezone_id= $timezone_id";
+        $formatted = ut_datefmt_format( $fmt, 0);
+        $res_str .= "\nFormatting timestamp=0 resulted in  $formatted";
+        $formatted = ut_datefmt_format( $fmt, 3600);
+        $res_str .= "\nFormatting timestamp=3600 resulted in  $formatted";
+        $res_str .= "\n";
+
+    }
+
+    return $res_str;
+
+}
+
+include_once( 'ut_common.inc' );
+
+// Run the test
+ut_run();
+?>
+--EXPECTF--
+Warning: IntlDateFormatter::setTimeZone(): datefmt_set_timezone: No such time zone: 'CN' in %sut_common.inc on line %d
+
+Warning: datefmt_set_timezone(): datefmt_set_timezone: No such time zone: 'CN' in %sut_common.inc on line %d
+
+After creation of the dateformatter :  timezone_id= US/Pacific
+-----------
+Trying to set timezone_id= America/New_York
+After call to set_timezone_id :  timezone_id= America/New_York
+Formatting timestamp=0 resulted in  Wednesday, December 31, 1969 at 7:00:00 PM Eastern Standard Time
+Formatting timestamp=3600 resulted in  Wednesday, December 31, 1969 at 8:00:00 PM Eastern Standard Time
+-----------
+Trying to set timezone_id= America/Los_Angeles
+After call to set_timezone_id :  timezone_id= America/Los_Angeles
+Formatting timestamp=0 resulted in  Wednesday, December 31, 1969 at 4:00:00 PM Pacific Standard Time
+Formatting timestamp=3600 resulted in  Wednesday, December 31, 1969 at 5:00:00 PM Pacific Standard Time
+-----------
+Trying to set timezone_id= America/Chicago
+After call to set_timezone_id :  timezone_id= America/Chicago
+Formatting timestamp=0 resulted in  Wednesday, December 31, 1969 at 6:00:00 PM Central Standard Time
+Formatting timestamp=3600 resulted in  Wednesday, December 31, 1969 at 7:00:00 PM Central Standard Time
+-----------
+Trying to set timezone_id= CN
+After call to set_timezone_id :  timezone_id= America/Chicago
+Formatting timestamp=0 resulted in  Wednesday, December 31, 1969 at 6:00:00 PM Central Standard Time
+Formatting timestamp=3600 resulted in  Wednesday, December 31, 1969 at 7:00:00 PM Central Standard Time
diff --git a/ext/intl/tests/datepatterngenerator_get_best_pattern.phpt b/ext/intl/tests/datepatterngenerator_get_best_pattern.phpt
index 9e29bc90493e9..279554123b795 100644
--- a/ext/intl/tests/datepatterngenerator_get_best_pattern.phpt
+++ b/ext/intl/tests/datepatterngenerator_get_best_pattern.phpt
@@ -2,6 +2,8 @@
 IntlDatePatternGenerator::getBestPattern()
 --EXTENSIONS--
 intl
+--SKIPIF--
+<?php if (version_compare(INTL_ICU_VERSION, '72.1') >= 0) die('skip for ICU < 72.1'); ?>
 --FILE--
 <?php
 
diff --git a/ext/intl/tests/datepatterngenerator_get_best_pattern_icu72-1.phpt b/ext/intl/tests/datepatterngenerator_get_best_pattern_icu72-1.phpt
new file mode 100644
index 0000000000000..2f4f744757caf
--- /dev/null
+++ b/ext/intl/tests/datepatterngenerator_get_best_pattern_icu72-1.phpt
@@ -0,0 +1,38 @@
+--TEST--
+IntlDatePatternGenerator::getBestPattern()
+--EXTENSIONS--
+intl
+--SKIPIF--
+<?php if (version_compare(INTL_ICU_VERSION, '72.1') < 0) die('skip for ICU >= 72.1'); ?>
+--FILE--
+<?php
+
+ini_set("intl.error_level", E_WARNING);
+ini_set("intl.default_locale", "en_US");
+
+$dtpg = new IntlDatePatternGenerator();
+$dtpg2 = new IntlDatePatternGenerator("de_DE");
+$dtpg3 = IntlDatePatternGenerator::create();
+$dtpg4 = IntlDatePatternGenerator::create("de_DE");
+
+echo $dtpg->getBestPattern("jjmm"), "\n";
+echo $dtpg2->getBestPattern("jjmm"), "\n";
+echo $dtpg3->getBestPattern("YYYYMMMdd"), "\n";
+echo $dtpg4->getBestPattern("YYYYMMMdd"), "\n";
+
+echo $dtpg->getBestPattern(""), "\n";
+
+try {
+    $dtpg->getBestPattern();
+} catch(\ArgumentCountError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+?>
+--EXPECT--
+h:mm a
+HH:mm
+MMM dd, YYYY
+dd. MMM YYYY
+
+IntlDatePatternGenerator::getBestPattern() expects exactly 1 argument, 0 given
diff --git a/ext/intl/tests/msgfmt_format_datetime.phpt b/ext/intl/tests/msgfmt_format_datetime.phpt
index 8b3e37ab30f5d..e6a7451906f77 100644
--- a/ext/intl/tests/msgfmt_format_datetime.phpt
+++ b/ext/intl/tests/msgfmt_format_datetime.phpt
@@ -4,6 +4,8 @@ MessageFormatter::format(): DateTime accepted to format dates and times
 date.timezone=Atlantic/Azores
 --EXTENSIONS--
 intl
+--SKIPIF--
+<?php if (version_compare(INTL_ICU_VERSION, '72.1') >= 0) die('skip for ICU < 72.1'); ?>
 --FILE--
 <?php
 ini_set("intl.error_level", E_WARNING);
diff --git a/ext/intl/tests/msgfmt_format_datetime_icu72-1.phpt b/ext/intl/tests/msgfmt_format_datetime_icu72-1.phpt
new file mode 100644
index 0000000000000..743b1d8b11c59
--- /dev/null
+++ b/ext/intl/tests/msgfmt_format_datetime_icu72-1.phpt
@@ -0,0 +1,29 @@
+--TEST--
+MessageFormatter::format(): DateTime accepted to format dates and times
+--INI--
+date.timezone=Atlantic/Azores
+--EXTENSIONS--
+intl
+--SKIPIF--
+<?php if (version_compare(INTL_ICU_VERSION, '72.1') < 0) die('skip for ICU >= 72.1'); ?>
+--FILE--
+<?php
+ini_set("intl.error_level", E_WARNING);
+//ini_set("intl.default_locale", "nl");
+
+$fmt = <<<EOD
+{0,date} {0,time}
+EOD;
+
+$dt = new DateTime("2012-05-06 18:00:42", new DateTimeZone("Europe/Lisbon"));
+$dti = new DateTimeImmutable("2012-05-06 18:00:42", new DateTimeZone("Europe/Lisbon"));
+
+$mf = new MessageFormatter('en_US', $fmt);
+
+var_dump($mf->format(array($dt)));
+var_dump($mf->format(array($dti)));
+
+?>
+--EXPECT--
+string(24) "May 6, 2012 5:00:42 PM"
+string(24) "May 6, 2012 5:00:42 PM"
diff --git a/ext/intl/tests/msgfmt_format_simple_types_numeric_strings.phpt b/ext/intl/tests/msgfmt_format_simple_types_numeric_strings.phpt
index 9bc38b683cd0a..f92eaa2bdb54a 100644
--- a/ext/intl/tests/msgfmt_format_simple_types_numeric_strings.phpt
+++ b/ext/intl/tests/msgfmt_format_simple_types_numeric_strings.phpt
@@ -4,6 +4,8 @@ MessageFormatter::format(): simple types handling with numeric strings
 date.timezone=Atlantic/Azores
 --EXTENSIONS--
 intl
+--SKIPIF--
+<?php if (version_compare(INTL_ICU_VERSION, '72.1') >= 0) die('skip for ICU < 72.1'); ?>
 --FILE--
 <?php
 ini_set("intl.error_level", E_WARNING);
diff --git a/ext/intl/tests/msgfmt_format_simple_types_numeric_strings_icu72-1.phpt b/ext/intl/tests/msgfmt_format_simple_types_numeric_strings_icu72-1.phpt
new file mode 100644
index 0000000000000..67093ddd86044
--- /dev/null
+++ b/ext/intl/tests/msgfmt_format_simple_types_numeric_strings_icu72-1.phpt
@@ -0,0 +1,54 @@
+--TEST--
+MessageFormatter::format(): simple types handling with numeric strings
+--INI--
+date.timezone=Atlantic/Azores
+--EXTENSIONS--
+intl
+--SKIPIF--
+<?php if (version_compare(INTL_ICU_VERSION, '72.1') < 0) die('skip for ICU >= 72.1'); ?>
+--FILE--
+<?php
+ini_set("intl.error_level", E_WARNING);
+//ini_set("intl.default_locale", "nl");
+
+$mf = new MessageFormatter('en_US',"
+    none			{a}
+    number			{b,number}
+    number integer	{c,number,integer}
+    number currency	{d,number,currency}
+    number percent	{e,number,percent}
+    date			{f,date}
+    time			{g,time}
+    spellout		{h,spellout}
+    ordinal			{i,ordinal}
+    duration		{j,duration}
+");
+
+$ex = "1336317965.5 str";
+var_dump($mf->format(array(
+'a' => $ex,
+'b' => $ex,
+'c' => $ex,
+'d' => $ex,
+'e' => $ex,
+'f' => "  1336317965.5",
+'g' => "  1336317965.5",
+'h' => $ex,
+'i' => $ex,
+'j' => $ex,
+)));
+
+?>
+--EXPECTF--
+string(%d) "
+    none			1336317965.5 str
+    number			1,336,317,965.5
+    number integer	1,336,317,965
+    number currency	$1,336,317,965.50
+    number percent	133,631,796,550%
+    date			May %d, 2012
+    time			3:26:05 PM
+    spellout		one billion three hundred thirty-six million three hundred seventeen thousand nine hundred sixty-five point five
+    ordinal			1,336,317,966th
+    duration		371,199:26:06
+"
diff --git a/ext/intl/tests/resourcebundle_null_mandatory_args_variant2.phpt b/ext/intl/tests/resourcebundle_null_mandatory_args_variant2.phpt
index 31250027184b3..5aefcf268dff5 100644
--- a/ext/intl/tests/resourcebundle_null_mandatory_args_variant2.phpt
+++ b/ext/intl/tests/resourcebundle_null_mandatory_args_variant2.phpt
@@ -6,6 +6,7 @@ date.timezone=Atlantic/Azores
 intl
 --SKIPIF--
 <?php if (version_compare(INTL_ICU_VERSION, '51.2') < 0) die('skip for ICU >= 51.2'); ?>
+<?php if (version_compare(INTL_ICU_VERSION, '72.1') >= 0) die('skip for ICU < 72.1'); ?>
 --FILE--
 <?php
 ini_set("intl.error_level", E_WARNING);
diff --git a/ext/intl/tests/resourcebundle_null_mandatory_args_variant_icu72-1.phpt b/ext/intl/tests/resourcebundle_null_mandatory_args_variant_icu72-1.phpt
new file mode 100644
index 0000000000000..d3e2615e0f494
--- /dev/null
+++ b/ext/intl/tests/resourcebundle_null_mandatory_args_variant_icu72-1.phpt
@@ -0,0 +1,24 @@
+--TEST--
+ResourceBundle constructor bundle accepts NULL for first two arguments
+--INI--
+date.timezone=Atlantic/Azores
+--EXTENSIONS--
+intl
+--SKIPIF--
+<?php if (version_compare(INTL_ICU_VERSION, '72.1') < 0) die('skip for ICU >= 72.1'); ?>
+--FILE--
+<?php
+ini_set("intl.error_level", E_WARNING);
+
+$r = new ResourceBundle('en_US', NULL);
+$c = $r->get('calendar')->get('gregorian')->get('DateTimePatterns')->get(0);
+var_dump($c);
+
+ini_set('intl.default_locale', 'pt_PT');
+$r = new ResourceBundle(NULL, NULL);
+$c = $r->get('calendar')->get('gregorian')->get('DateTimePatterns')->get(0);
+var_dump($c);
+?>
+--EXPECT--
+string(16) "h:mm:ss a zzzz"
+string(13) "HH:mm:ss zzzz"