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<?php
/**
* Abstraction of a Twilio resource.
*
* @category Services
* @package Services_Twilio
* @author Neuman Vong <neuman@twilio.com>
* @license http://creativecommons.org/licenses/MIT/ MIT
* @link http://pear.php.net/package/Services_Twilio
*/
abstract class Services_Twilio_Resource {
protected $subresources;
public function __construct($client, $uri, $params = array())
{
$this->subresources = array();
$this->client = $client;
foreach ($params as $name => $param) {
$this->$name = $param;
}
$this->uri = $uri;
$this->init($client, $uri);
}
protected function init($client, $uri)
{
// Left empty for derived classes to implement
}
public function getSubresources($name = null) {
if (isset($name)) {
return isset($this->subresources[$name])
? $this->subresources[$name]
: null;
}
return $this->subresources;
}
protected function setupSubresources()
{
foreach (func_get_args() as $name) {
$constantized = ucfirst(self::camelize($name));
$type = "Services_Twilio_Rest_" . $constantized;
$this->subresources[$name] = new $type(
$this->client, $this->uri . "/$constantized"
);
}
}
/*
* Get the resource name from the classname
*
* Ex: Services_Twilio_Rest_Accounts -> Accounts
*
* @param boolean $camelized Whether to return camel case or not
*/
public function getResourceName($camelized = false)
{
$name = get_class($this);
$parts = explode('_', $name);
$basename = end($parts);
if ($camelized) {
return $basename;
} else {
return self::decamelize($basename);
}
}
public static function decamelize($word)
{
$callback = create_function('$matches',
'return strtolower(strlen("$matches[1]") ? "$matches[1]_$matches[2]" : "$matches[2]");');
return preg_replace_callback(
'/(^|[a-z])([A-Z])/',
$callback,
$word
);
}
/**
* Return camelized version of a word
* Examples: sms_messages => SMSMessages, calls => Calls,
* incoming_phone_numbers => IncomingPhoneNumbers
*
* @param string $word The word to camelize
* @return string
*/
public static function camelize($word) {
$callback = create_function('$matches', 'return strtoupper("$matches[2]");');
return preg_replace_callback('/(^|_)([a-z])/',
$callback,
$word);
}
/**
* Get the value of a property on this resource.
*
* @param string $key The property name
* @return mixed Could be anything.
*/
public function __get($key) {
if ($subresource = $this->getSubresources($key)) {
return $subresource;
}
return $this->$key;
}
/**
* Print a JSON representation of this object. Strips the HTTP client
* before returning.
*
* Note, this should mainly be used for debugging, and is not guaranteed
* to correspond 1:1 with the JSON API output.
*
* Note that echoing an object before an HTTP request has been made to
* "fill in" its properties may return an empty object
*/
public function __toString() {
$out = array();
foreach ($this as $key => $value) {
if ($key !== "client" && $key !== "subresources") {
$out[$key] = (string)$value;
}
}
return json_encode($out);
}
}
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