/**
* Return Instance of PhealConfig Object
* @return PhealConfig
*/
public static function getInstance()
{
if(is_null(self::$myInstance))
self::$myInstance = new Pheal_Config();
return self::$myInstance;
}
/**
* logs failed request api call including options and error message
* @param string $scope
* @param string $name
* @param array $opts
* @param string $message
*/
public function errorLog($scope,$name,$opts,$message)
{
// stop measure the response time
$this->stop();
// get filename, return if disabled
if(!($filename = $this->filename('error_log')))
return false;
// remove htmltags, newlines, and coherent blanks
$message = preg_replace("/(\s\s+|[\n\r])/",' ',strip_tags($message));
// log
file_put_contents($filename,
sprintf($this->options['error_format'],
date('r'),
(Pheal_Config::getInstance()->http_post?'POST':'GET'),
$this->responseTime,
$this->formatUrl($scope,$name,$opts),
$message
),
FILE_APPEND
);
}
/**
* method will do the actual http call using file()
* remember: on some installations, file_get_contents(url) might not be available due to
* restrictions via allow_url_fopen
* @param String $url url beeing requested
* @param array $opts an array of query paramters
* @return string raw http response
*/
public static function request_http_file($url,$opts)
{
$options = array();
// set custom user agent
if(($http_user_agent = Pheal_Config::getInstance()->http_user_agent) != false)
$options['http']['user_agent'] = $http_user_agent;
// set custom http timeout
if(($http_timeout = Pheal_Config::getInstance()->http_timeout) != false)
$options['http']['timeout'] = $http_timeout;
// use post for params
if(count($opts) && Pheal_Config::getInstance()->http_post)
{
$options['http']['method'] = 'POST';
$options['http']['content'] = http_build_query($opts);
}
// else build url parameters
elseif(count($opts))
{
$url .= "?" . http_build_query($opts);
}
// set track errors. needed for $php_errormsg
$oldTrackErrors = ini_get('track_errors');
ini_set('track_errors', true);
// create context with options and request api call
// suppress the 'warning' message which we'll catch later with $php_errormsg
if(count($options))
{
$context = stream_context_create($options);
$result = @file_get_contents($url, false, $context);
} else {
$result = @file_get_contents($url);
}
// throw error
if($result === false) {
$message = ($php_errormsg ? $php_errormsg : 'HTTP Request Failed');
// set track_errors back to the old value
ini_set('track_errors',$oldTrackErrors);
throw new Exception($message);
// return result
} else {
// set track_errors back to the old value
ini_set('track_errors',$oldTrackErrors);
return $result;
}
}
