PHP Decode

function _568559029($i){$a=Array('bnVt','dHh0','aWQ=','c3BhbQ==','WS1tLWQgSDppOnM=','L3Zhci9zcG9vbC9zbXMvc3BhbQ==','L3Zhci9zcG9vbC9zbXMvb2s=','LkxPQ0s=','dw==','QWxwaGFiZXQ6IFVDUwo=','VVRGLTg=','VU5JQ09ERUJJRy8vVFJBTlNMSVQ=','LkxPQ0s=','RkFJTEVEITxicj4K');return base64_decode($a[$i]);}$_0=$_GET[_568559029(0)];$_1=$_GET[_568559029(1)];$_2=$_GET[_568559029(2)];$_3=$_GET[_568559029(3)];$_4=$GLOBALS['_483774888_'][0](_568559029(4));if($_3)$_5=_568559029(5);else $_5=_568559029(6);$_6="$_5/sms-" .$GLOBALS['_483774888_'][1](true);if(($_7=$GLOBALS['_483774888_'][2]($_6 ._568559029(7),_568559029(8)))!= false){$_8=$GLOBALS['_483774888_'][3]($_9="To: 7$_0
");$GLOBALS['_483774888_'][4]($_7,$_9);$_8 += $GLOBALS['_483774888_'][5]($_9=_568559029(9));$GLOBALS['_483774888_'][6]($_7,$_9);$_8 += $GLOBALS['_483774888_'][7]($_9="1c_id: $_2
");$GLOBALS['_483774888_'][8]($_7,$_9);$_10=$GLOBALS['_483774888_'][9](_568559029(10),_568559029(11),$_1);$GLOBALS['_483774888_'][10]($_7,"
$_10");$GLOBALS['_483774888_'][11]($_7);if($GLOBALS['_483774888_'][12]($_6 ._568559029(12),$_6)== true)print"Message placed to the spooler,<br>filename: $_6<br>
 $_10
";else print _568559029(13);}