--- /dev/null
+--TEST--
+Bug #44562 (Creating instance of DatePeriod crashes)
+--FILE--
+<?php
+date_default_timezone_set('Europe/Oslo');
+
+try
+{
+ $dp = new DatePeriod('2D');
+}
+catch ( Exception $e )
+{
+ echo $e->getMessage(), "\n";
+}
+
+$begin = new DateTime( "2008-07-20T22:44:53+0200" );
+$interval = DateInterval::createFromDateString( "1 day" );
+
+$dp = new DatePeriod( $begin, $interval, 10 );
+foreach ( $dp as $d )
+{
+ var_dump ($d->format( DATE_ISO8601 ) );
+}
+
+?>
+--EXPECT--
+DatePeriod::__construct(): Unknown or bad format (2D)
+unicode(24) "2008-07-20T22:44:53+0200"
+unicode(24) "2008-07-21T22:44:53+0200"
+unicode(24) "2008-07-22T22:44:53+0200"
+unicode(24) "2008-07-23T22:44:53+0200"
+unicode(24) "2008-07-24T22:44:53+0200"
+unicode(24) "2008-07-25T22:44:53+0200"
+unicode(24) "2008-07-26T22:44:53+0200"
+unicode(24) "2008-07-27T22:44:53+0200"
+unicode(24) "2008-07-28T22:44:53+0200"
+unicode(24) "2008-07-29T22:44:53+0200"
+unicode(24) "2008-07-30T22:44:53+0200"