php: преобразуем данные в нужный формат

$arr1=array('AC','AD','AE','AF','AG','AI','AL','AM','AN','AO','AQ','AR','AS','AT','AU','AW','AX','AZ','BA','BB','BD','BE','BF','BG','BH','BI','BJ','BL','BM','BN','BO','BR','BS','BT','BV','BW','BY','BZ','CA','CC','CD','CF','CG','CH','CI','CK','CL','CM','CN','CO','CR','CU','CV','CX','CY','CZ','DE','DJ','DK','DM','DO','DZ','EC','EE','EG','EH','ER','ES','ET','FI','FJ','FK','FM','FO','FR','GA','GB','GD','GE','GF','GG','GH','GI','GL','GM','GN','GP','GQ','GR','GS','GT','GU','GW','GY','HK','HM','HN','HR','HT','HU','ID','IE','IL','IM','IN','IO','IQ','IR','IS','IT','JE','JM','JO','JP','KE','KG','KH','KI','KM','KN','KP','KR','KW','KY','KZ','LA','LB','LC','LI','LK','LR','LS','LT','LU','LV','LY','MA','MC','MD','ME','MF','MG','MH','MK','ML','MM','MN','MO','MP','MQ','MR','MS','MT','MU','MV','MW','MX','MY','MZ','NA','NC','NE','NF','NG','NI','NL','NO','NP','NR','NU','NZ','OM','PA','PE','PF','PG','PH','PK','PL','PM','PN','PR','PS','PT','PW','PY','QA','RE','RO','RS','RU','RW','SA','SB','SC','SD','SE','SG','SH','SI','SJ','SK','SL','SM','SN','SO','SR','ST','SV','SY','SZ','TC','TD','TF','TG','TH','TJ','TK','TL','TM','TN','TO','TR','TT','TV','TW','TZ','UA','UG','UM','US','UY','UZ','VA','VC','VE','VG','VI','VN','VU','WF','WS','YE','YT','ZA','ZM','ZW');

$arr2=array('AC'=>'Ascension Island',
	'AD'=>'Andorra',
	'AE'=>'United Arab Emirates',
	'AF'=>'Afghanistan',
... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... 
	'ZA'=>'South Africa',
	'ZM'=>'Zambia',
	'ZW'=>'Zimbabwe');

<?php
$ish = "AC	Ascension Island
AD	Andorra
AE	United Arab Emirates
AF	Afghanistan
... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... 
ZA	South Africa
ZM	Zambia
ZW	Zimbabwe
";
$arr1=preg_replace("/\t.+\n/", "\n",$ish);
$arr1=preg_replace("/\n/","','",$arr1);
echo "<pre>";
	echo '$arr1=array(\'';
	echo substr($arr1,0,-2);
	echo ');';
echo "</pre>";
echo "<br/><br/>";
$arr2=preg_replace("/\t/","'=>'",$ish);
$arr2=preg_replace("/\n/","',\n\t'",$arr2);
echo "<pre>";
	echo '$arr2=array(\'';
	echo substr($arr2,0,-4);
	echo ');';
echo "</pre>";
?>