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<?php
/**
* This is the KVForm module.
*
* PHP versions 4 and 5
*
* LICENSE: See the COPYING file included in this distribution.
*
* @package OpenID
* @author JanRain, Inc. <openid@janrain.com>
* @copyright 2005 Janrain, Inc.
* @license http://www.gnu.org/copyleft/lesser.html LGPL
*/
/**
* The Net_OpenID_KVForm class.
*
* @package OpenID
*/
class Net_OpenID_KVForm {
function arrayToKV($values)
{
if ($values === null) {
return null;
}
$serialized = '';
foreach ($values as $key => $value) {
if (is_array($value)) {
list($key, $value) = $value;
}
if (strpos($key, ':') !== false) {
trigger_error('":" in key:' . addslashes($key),
E_USER_WARNING);
return null;
}
if (strpos($key, "\n") !== false) {
trigger_error('"\n" in key:' . addslashes($key),
E_USER_WARNING);
return null;
}
if (strpos($value, "\n") !== false) {
trigger_error('"\n" in value:' . addslashes($value),
E_USER_WARNING);
return null;
}
$serialized .= "$key:$value\n";
}
return $serialized;
}
function kvToArray($kvs)
{
$lines = explode("\n", $kvs);
$last = array_pop($lines);
if ($last !== '') {
trigger_error('No newline at end of kv string:' . addslashes($kvs),
E_USER_WARNING);
array_push($lines, $last);
}
$values = array();
for ($lineno = 0; $lineno < count($lines); $lineno++) {
$line = $lines[$lineno];
$kv = explode(':', $line, 2);
if (count($kv) != 2) {
$esc = addslashes($line);
trigger_error("No colon on line $lineno: $esc",
E_USER_WARNING);
continue;
}
$key = $kv[0];
$tkey = trim($key);
if ($tkey != $key) {
$esc = addslashes($key);
trigger_error("Whitespace in key on line $lineno: '$esc'",
E_USER_WARNING);
}
$value = $kv[1];
$tval = trim($value);
if ($tval != $value) {
$esc = addslashes($value);
trigger_error("Whitespace in value on line $lineno: '$esc'",
E_USER_WARNING);
}
$values[$tkey] = $tval;
}
return $values;
}
}
?>
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