1--TEST-- 2Test DateTime::modify() function : error conditions 3--FILE-- 4<?php 5/* Prototype : public DateTime DateTime::modify ( string $modify ) 6 * Description: Alter the timestamp of a DateTime object by incrementing or decrementing in a format accepted by strtotime(). 7 * Source code: ext/date/php_date.c 8 * Alias to functions: public date_modify() 9 */ 10 11//Set the default time zone 12date_default_timezone_set("Europe/London"); 13 14echo "*** Testing DateTime::modify() : error conditions ***\n"; 15 16// Create a date object 17$object = new DateTime("2009-01-30 19:34:10"); 18 19echo "\n-- Testing DateTime::modify() function with less than expected no. of arguments --\n"; 20var_dump( $object->modify() ); 21 22echo "\n-- Testing DateTime::modify() function with more than expected no. of arguments --\n"; 23$modify = "+1 day"; 24$extra_arg = 99; 25var_dump( $object->modify($modify, $extra_arg) ); 26 27?> 28===DONE=== 29--EXPECTF-- 30*** Testing DateTime::modify() : error conditions *** 31 32-- Testing DateTime::modify() function with less than expected no. of arguments -- 33 34Warning: DateTime::modify() expects exactly 1 parameter, 0 given in %s on line %d 35bool(false) 36 37-- Testing DateTime::modify() function with more than expected no. of arguments -- 38 39Warning: DateTime::modify() expects exactly 1 parameter, 2 given in %s on line %d 40bool(false) 41===DONE=== 42 43