Nee help with php code?

[marcey t]

$telephonelist = fopen("recordsdirectory.txt","a+");
if (filesize ("recordsdirectory.txt")<=0)
{
echo "empty";
exit (0);
}
$contents = fread($telephonelist, filesize("recordsdirectory.txt"));
$newlistArray = explode(",",$contents);
foreach ($newlistArray as $telephonelist)
$list=array("$lastname" and "$firstname"=>"$areacode"and"phonenumber");

{

echo "$list";
}
fclose($telephonelist);
What am I doing wrong? please