code:
#!/usr/local/bin/php
<?php $tlds = array("com=whois.crsnic.net", "net=whois.crsnic.net"); var_dump($tlds); foreach( $tlds as $tld ) { var_dump($tld); } ?>



good server result:
array(2) {
  [0]=>
  string(20) "com=whois.crsnic.net"
  [1]=>
  string(20) "net=whois.crsnic.net"
}
string(20) "com=whois.crsnic.net"
string(20) "net=whois.crsnic.net"





bad server result:
array(2) {
  [0]=>
  string(20) "com=whois.crsnic.net"
  [1]=>
  string(20) "net=whois.crsnic.net"
}
array(2) {
  [0]=>
  string(20) "com=whois.crsnic.net"
  [1]=>
  int(0)
}
array(2) {
  [0]=>
  string(20) "net=whois.crsnic.net"
  [1]=>
  int(1)
}