1--TEST-- 2Test date_isodate_set() function : basic functionality 3--FILE-- 4<?php 5/* Prototype : DateTime date_isodate_set ( DateTime $object , int $year , int $week [, int $day ] ) 6 * Description: Set a date according to the ISO 8601 standard - using weeks and day offsets rather than specific dates. 7 * Source code: ext/date/php_date.c 8 * Alias to functions: DateTime::setISODate 9 */ 10 11echo "*** Testing date_isodate_set() : basic functionality ***\n"; 12 13//Set the default time zone 14date_default_timezone_set("Europe/London"); 15 16// Create a deate object 17$datetime = date_create("2009-01-30 17:57:32"); 18 19// Which month is week 40 ? 20date_isodate_set($datetime, 2008, 40); 21echo "Week 40 of 2009 is in \"" . date_format($datetime, "F") . "\"\n"; 22 23// What date is week week 30 day 3 ? 24date_isodate_set($datetime, 2009, 30, 3); 25echo "Week 30 day 3 of 2009 is \"" . date_format($datetime, "D M j") . "\"\n"; 26 27// What date was is last year ? 28date_isodate_set($datetime, 2008, 30, 3); 29echo "..same day last year was \"" . date_format($datetime, "D M j") . "\"\n"; 30 31?> 32===DONE=== 33--EXPECTF-- 34*** Testing date_isodate_set() : basic functionality *** 35Week 40 of 2009 is in "September" 36Week 30 day 3 of 2009 is "Wed Jul 22" 37..same day last year was "Wed Jul 23" 38===DONE=== 39