--TEST--
Test date_sunset() function : usage variation -  Checking with North and South poles when Sun is up and down all day
--FILE--
<?php
/* Prototype  : mixed date_sunset(mixed time [, int format [, float latitude [, float longitude [, float zenith [, float gmt_offset]]]]])
 * Description: Returns time of sunrise for a given day and location 
 * Source code: ext/date/php_date.c
 * Alias to functions: 
 */

echo "*** Testing date_sunset() : usage variation ***\n";

// GMT is zero for the timezone
date_default_timezone_set("Africa/Casablanca");
$time_date = array (

		//Date at which Sun is up all day at North Pole
		"12 Aug 2008" => mktime(8, 8, 8, 8, 12, 2008),
		"13 Aug 2008" => mktime(8, 8, 8, 8, 13, 2008),

		//Date at which Sun is up all day at South Pole
		"12 Nov 2008" => mktime(8, 8, 8, 11, 12, 2008),
		"13 Nov 2008" => mktime(8, 8, 8, 11, 13, 2008),
);

//Iterate over different date and time
foreach( $time_date as $date => $time ){
	echo "\n--$date--\n";
	var_dump( date_sunset($time, SUNFUNCS_RET_STRING, 90, 0 ) );
	var_dump( date_sunset($time, SUNFUNCS_RET_DOUBLE, 90, 0 ) );
	var_dump( date_sunset($time, SUNFUNCS_RET_TIMESTAMP, 90, 0 ) );		
	var_dump( date_sunset($time, SUNFUNCS_RET_STRING, -90, 0 ) );
	var_dump( date_sunset($time, SUNFUNCS_RET_DOUBLE, -90, 0 ) );
	var_dump( date_sunset($time, SUNFUNCS_RET_TIMESTAMP, -90, 0 ) );		
}

?>
===DONE===
--EXPECTF--
*** Testing date_sunset() : usage variation ***

--12 Aug 2008--
bool(false)
bool(false)
bool(false)
bool(false)
bool(false)
bool(false)

--13 Aug 2008--
bool(false)
bool(false)
bool(false)
bool(false)
bool(false)
bool(false)

--12 Nov 2008--
bool(false)
bool(false)
bool(false)
bool(false)
bool(false)
bool(false)

--13 Nov 2008--
bool(false)
bool(false)
bool(false)
bool(false)
bool(false)
bool(false)
===DONE===