1--TEST-- 2Test date_modify() function : error conditions 3--FILE-- 4<?php 5/* Prototype : DateTime date_modify ( DateTime $object , string $modify ) 6 * Description: Alter the timestamp of a DateTime object by incrementing or decrementing in a format accepted by strtotime(). 7 * Source code: ext/date/php_date.c 8 * Alias to functions: public DateTime DateTime::modify() 9 */ 10 11//Set the default time zone 12date_default_timezone_set("Europe/London"); 13 14echo "*** Testing date_modify() : error conditions ***\n"; 15 16echo "\n-- Testing date_modify() function with zero arguments --\n"; 17var_dump( date_modify() ); 18 19// Create a date object 20$datetime = date_create("2009-01-30 19:34:10"); 21 22echo "\n-- Testing date_modify() function with less than expected no. of arguments --\n"; 23var_dump( date_modify($datetime) ); 24 25echo "\n-- Testing date_modify() function with more than expected no. of arguments --\n"; 26$modify = "+1 day"; 27$extra_arg = 99; 28var_dump( date_modify($datetime, $modify, $extra_arg) ); 29 30echo "\n-- Testing date_modify() function with an invalid values for \$object argument --\n"; 31$invalid_obj = new stdClass(); 32var_dump( date_modify($invalid_obj, $modify) ); 33$invalid_obj = 10; 34var_dump( date_modify($invalid_obj, $modify) ); 35$invalid_obj = null; 36var_dump( date_modify($invalid_obj, $modify) ); 37 38?> 39===DONE=== 40--EXPECTF-- 41*** Testing date_modify() : error conditions *** 42 43-- Testing date_modify() function with zero arguments -- 44 45Warning: date_modify() expects exactly 2 parameters, 0 given in %s on line %d 46bool(false) 47 48-- Testing date_modify() function with less than expected no. of arguments -- 49 50Warning: date_modify() expects exactly 2 parameters, 1 given in %s on line %d 51bool(false) 52 53-- Testing date_modify() function with more than expected no. of arguments -- 54 55Warning: date_modify() expects exactly 2 parameters, 3 given in %s on line %d 56bool(false) 57 58-- Testing date_modify() function with an invalid values for $object argument -- 59 60Warning: date_modify() expects parameter 1 to be DateTime, object given in %s on line %d 61bool(false) 62 63Warning: date_modify() expects parameter 1 to be DateTime, int given in %s on line %d 64bool(false) 65 66Warning: date_modify() expects parameter 1 to be DateTime, null given in %s on line %d 67bool(false) 68===DONE=== 69