Class Name: ReturnVars
Date Created: 9/19/06
Author: Chase Spell
Purpose: Stores variable/value pairs in an associative
array. Echos the final product as a url-encoded string
formatted as a GET request. Intended to be used
to return data from a php script to a Flash movie, but
could be used for any system that accepts GET statements for input.

By : Syntax

/****************************************
Class Name: ReturnVars
Date Created: 9/19/06
Author: Chase Spell
Purpose: Stores variable/value pairs in an associative
array. Echos the final product as a url-encoded string
formatted as a GET request. Intended to be used
to return data from a php script to a Flash movie, but
could be used for any system that accepts GET statements for input.
*****************************************/

class ReturnVars {

var $CurrentVars;
var $Vars = array();

function __construct() {
//Properties
$this->CurrentVars = 0; //Number of Var/Val pairs in the "Vars" array
}

//Methods

//Adds a new var/val pair to Vars and updates CurrentVars
function AddVar($name,$value) {
//if ($name != "" && $value != "") {
$this->Vars[$name] = $value;
$this->CurrentVars = $this->CurrentVars + 1;
//}
}

//Removes var/val pair from Vars array, $name corresponds to an existing variable name in the array
function RemoveVar($name) {
if (array_key_exists($name,$this->Vars)) {
unset($this->Vars[$name]);
$this->CurrentVars = $this->CurrentVars - 1;
}
}

//For/Each loop goes through Var adding each pair to a string in this format: "(var)=(value)&" and
//and echos that string for output
function PrintData($printandexit = true) {
$output = "";
if ($this->CurrentVars > 0) {
foreach ($this->Vars as $var => $val) {
$output .= urlencode($var)."=".urlencode($val)."&";
}
echo $output;
} else {
echo "No data was returned.";
}
if ($printandexit = true) {
exit;
}
}
}

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