--TEST--
Test date_modify() function : error conditions
--FILE--
<?php
/* Prototype : DateTime date_modify ( DateTime $object , string $modify )
* Description: Alter the timestamp of a DateTime object by incrementing or decrementing in a format accepted by strtotime().
* Source code: ext/date/php_date.c
* Alias to functions: public DateTime DateTime::modify()
*/
//Set the default time zone
date_default_timezone_set("Europe/London");
echo "*** Testing date_modify() : error conditions ***\n";
echo "\n-- Testing date_modify() function with zero arguments --\n";
var_dump( date_modify() );
// Create a date object
$datetime = date_create("2009-01-30 19:34:10");
echo "\n-- Testing date_modify() function with less than expected no. of arguments --\n";
var_dump( date_modify($datetime) );
echo "\n-- Testing date_modify() function with more than expected no. of arguments --\n";
$modify = "+1 day";
$extra_arg = 99;
var_dump( date_modify($datetime, $modify, $extra_arg) );
echo "\n-- Testing date_modify() function with an invalid values for \$object argument --\n";
$invalid_obj = new stdClass();
var_dump( date_modify($invalid_obj, $modify) );
$invalid_obj = 10;
var_dump( date_modify($invalid_obj, $modify) );
$invalid_obj = null;
var_dump( date_modify($invalid_obj, $modify) );
?>
===DONE===
--EXPECTF--
*** Testing date_modify() : error conditions ***
-- Testing date_modify() function with zero arguments --
Warning: date_modify() expects exactly 2 parameters, 0 given in %s on line %d
bool(false)
-- Testing date_modify() function with less than expected no. of arguments --
Warning: date_modify() expects exactly 2 parameters, 1 given in %s on line %d
bool(false)
-- Testing date_modify() function with more than expected no. of arguments --
Warning: date_modify() expects exactly 2 parameters, 3 given in %s on line %d
bool(false)
-- Testing date_modify() function with an invalid values for $object argument --
Warning: date_modify() expects parameter 1 to be DateTime, object given in %s on line %d
bool(false)
Warning: date_modify() expects parameter 1 to be DateTime, integer given in %s on line %d
bool(false)
Warning: date_modify() expects parameter 1 to be DateTime, null given in %s on line %d
bool(false)
===DONE===
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