', '', ' align=center', '><');
$badThings['to'] = array(' ', '', '', ">\n<");
function getpgdata($zip) { //Function to retrieve the contents of a webpage and put it into $pgdata
$pgdata =""; //initialize $pgdata
$fd = fopen("http://www.zipinfo.com/cgi-local/zipsrch.exe?cnty=cnty&ac=ac&tz=tz&ll=ll&msa=msa&Go=Go&zip=$zip","r");
//open the url based on the user input and put the data into $fd
while(!feof($fd)) //while loop to keep reading data into $pgdata till its all gone
{
$pgdata .= fread($fd, 1024); //read 1024 bytes at a time
}
fclose($fd); //close the connection
return $pgdata; //return the entire page data in $pgdata
}
switch ($_GET['do']) {
case "retrieve":
//this is what we do if $do is set to retrieve
echo getpgdata($_REQUEST['zip']); //Use getpgdata function to read the specified zip code information
$pgdata = getpgdata($_REQUEST['zip']); //Use getpgdata function to read the specified zip code information
if (preg_match("/is not currently assigned/", $pgdata)) { //display an error if the zip code is not found
echo "Zip Code Not Assigned";
echo 'That Zip Code is currently not assigned, please try another zipcode:
';
} else { //if a zipcode is found, then we need to find the place to start and a place to end $end spaces away
//I'm looking for a better way to extract the city/state info from the variable $pgdata.. could anyone help?!?
$start = strpos($pgdata, "
"); //get start position, based on the pattern of the beginning of the zip table
$end = $finish - $start + 10; //get 200 characters ahead of the start position..
echo "$start .. $finish .. $end ";
$ziptable = substr( $pgdata, $start, $end ); //get the substring of $pgdata starting at $start and ending at $end
$ziptable = str_replace($badThings['from'], $badThings['to'], $ziptable);
//good to go, show the results
echo "Results for zip code: $zip
Zip Code Search Results:
";
echo "\n$ziptable\n";
echo "";
} //end of if
exit;
default:
//what to do if $do isn't set
?>
Zip Code Retrieval