1--TEST-- 2Test date_sub() function : basic functionality 3--CREDITS-- 4Felix De Vliegher <felix.devliegher@gmail.com> 5--SKIPIF-- 6<?php if (!function_exists('date_sub')) echo "skip: date_sub() function not found!"; ?> 7--FILE-- 8<?php 9date_default_timezone_set('UTC'); 10/* Prototype : void date_sub(DateTime object, DateInterval interval) 11 * Description: Subtracts an interval from the current date in object. 12 * Source code: ext/date/php_date.c 13 * Alias to functions: 14 */ 15 16echo "*** Testing date_sub() : basic functionality ***\n"; 17 18// Initialise all required variables 19$startDate = '2008-01-01 12:25'; 20$format = 'Y-m-d H:i:s'; 21$intervals = array( 22 'P3Y6M4DT12H30M5S', 23 'P0D', 24 'P2DT1M', 25 'P1Y2MT23H43M150S' 26); 27 28$d = new DateTime($startDate); 29var_dump( $d->format($format) ); 30 31foreach($intervals as $interval) { 32 date_sub($d, new DateInterval($interval) ); 33 var_dump( $d->format($format) ); 34} 35 36?> 37===DONE=== 38--EXPECTF-- 39*** Testing date_sub() : basic functionality *** 40string(19) "2008-01-01 12:25:00" 41string(19) "2004-06-26 23:54:55" 42string(19) "2004-06-26 23:54:55" 43string(19) "2004-06-24 23:53:55" 44string(19) "2003-04-24 00:08:25" 45===DONE=== 46