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<?php
class UrlSerializedParameterEncoder
{
public static function encode(array $parameters)
{
return self::encode_array_values($parameters);
}
private static function encode_array_values(array $array)
{
$serialized_parameters = array();
foreach ($array as $key => $value)
{
$serialized_parameters[] = self::encode_parameter($key, $value);
}
return join(',', $serialized_parameters);
}
private static function encode_array(array $array)
{
return '{' . self::encode_array_values($array) . '}';
}
private static function encode_parameter($key, $value)
{
return self::encode_name($key) . self::encode_value($value);
}
private static function encode_name($key)
{
if (is_string($key) && preg_match('`^[a-z][a-z0-9]*$`iu', $key))
{
return $key . ':';
}
return '';
}
private static function encode_value($value)
{
if (is_array($value))
{
return self::encode_array($value);
}
else
{
return self::encode_string($value);
}
}
private static function encode_string($value)
{
return addcslashes((string) $value, ':{}\\,');
}
}
?>