Convert various list formats to arrays.

csv.php

$csv = <<<CONTENT
...
CONTENT;
$outbound = array();
foreach(explode("\n",$tsv) AS $line) {
  $a = explode(",",$line);
  $outbound[$a[0]] = $a[1];
}

tsv.php

$tsv = <<<TSV
...
TSV;
$outbound = array();
foreach(explode("\n",$tsv) AS $line) {
  $a = explode("\t",$line);
  $outbound[$a[0]] = $a[1];
}