in_array ile ilgili soru

array(22) { [0]=> object(stdClass)#6 (1) { ["tarih"]=> string(10) "1296597660" } [1]=> object(stdClass)#3 (1) { ["tarih"]=> string(10) "1296770460" } [2]=> object(stdClass)#10 (1) { ["tarih"]=> string(10) "1296943260" } [3]=> object(stdClass)#11 (1) { ["tarih"]=> string(10) "1297029660" } [4]=> object(stdClass)#12 (1) { ["tarih"]=> string(10) "1297029660" } [5]=> object(stdClass)#13 (1) { ["tarih"]=> string(10) "1297029660" } [6]=> object(stdClass)#14 (1) { ["tarih"]=> string(10) "1297548060" } [7]=> object(stdClass)#15 (1) { ["tarih"]=> string(10) "1296511260" } [8]=> object(stdClass)#16 (1) { ["tarih"]=> string(10) "1296597660" } [9]=> object(stdClass)#17 (1) { ["tarih"]=> string(10) "1296684060" } [10]=> object(stdClass)#18 (1) { ["tarih"]=> string(10) "1296770460" } [11]=> object(stdClass)#19 (1) { ["tarih"]=> string(10) "1296856860" } [12]=> object(stdClass)#20 (1) { ["tarih"]=> string(10) "1296943260" } [13]=> object(stdClass)#21 (1) { ["tarih"]=> string(10) "1296770460" } [14]=> object(stdClass)#22 (1) { ["tarih"]=> string(10) "1297375260" } [15]=> object(stdClass)#23 (1) { ["tarih"]=> string(10) "1297980060" } [16]=> object(stdClass)#24 (1) { ["tarih"]=> string(10) "1298584860" } [17]=> object(stdClass)#25 (1) { ["tarih"]=> string(10) "1298844060" } [18]=> object(stdClass)#26 (1) { ["tarih"]=> string(10) "1301259660" } [19]=> object(stdClass)#27 (1) { ["tarih"]=> string(10) "1301346060" } [20]=> object(stdClass)#28 (1) { ["tarih"]=> string(10) "1301432460" } [21]=> object(stdClass)#29 (1) { ["tarih"]=> string(10) "1301518860" } }

	$tt = ($i - $startday + 2)."-".$cMonth."-".$cYear.' 00:01:00';
	$tt = strtotime($tt);
	if(in_array($tt,$datagunler)) {$arkaplan="red"; } else { $arkaplan="green"; }