Test/tweets/TwitterAPIExchange.php at master · JavaDevl/Test · GitHub

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<?php

/**

* Twitter-API-PHP : Simple PHP wrapper for the v1.1 API

* PHP version 5.3.10

* @category Awesomeness

* @package Twitter-API-PHP

* @author James Mallison <me@j7mbo.co.uk>

* @license http://opensource.org/licenses/gpl-license.php GNU Public License

* @link http://github.com/j7mbo/twitter-api-php

class TwitterAPIExchange

{

private $oauth_access_token;

private $oauth_access_token_secret;

private $consumer_key;

private $consumer_secret;

private $postfields;

private $getfield;

protected $oauth;

public $url;

/**

* Create the API access object. Requires an array of settings::

* oauth access token, oauth access token secret, consumer key, consumer secret

* These are all available by creating your own application on dev.twitter.com

* Requires the cURL library

* @param array $settings

public function __construct(array $settings)

{

if (!in_array('curl', get_loaded_extensions()))

{

throw new Exception('You need to install cURL, see: http://curl.haxx.se/docs/install.html');

}

if (!isset($settings['oauth_access_token'])

|| !isset($settings['oauth_access_token_secret'])

|| !isset($settings['consumer_key'])

|| !isset($settings['consumer_secret']))

{

throw new Exception('Make sure you are passing in the correct parameters');

}

$this->oauth_access_token = $settings['oauth_access_token'];

$this->oauth_access_token_secret = $settings['oauth_access_token_secret'];

$this->consumer_key = $settings['consumer_key'];

$this->consumer_secret = $settings['consumer_secret'];

}

/**

* Set postfields array, example: array('screen_name' => 'J7mbo')

* @param array $array Array of parameters to send to API

* @return TwitterAPIExchange Instance of self for method chaining

public function setPostfields(array $array)

{

if (!is_null($this->getGetfield()))

{

throw new Exception('You can only choose get OR post fields.');

}

if (isset($array['status']) && substr($array['status'], 0, 1) === '@')

{

$array['status'] = sprintf("\0%s", $array['status']);

}

$this->postfields = $array;

return $this;

}

/**

* Set getfield string, example: '?screen_name=J7mbo'

* @param string $string Get key and value pairs as string

* @return \TwitterAPIExchange Instance of self for method chaining

public function setGetfield($string)

{

if (!is_null($this->getPostfields()))

{

throw new Exception('You can only choose get OR post fields.');

}

$search = array('#', ',', '+', ':');

$replace = array('%23', '%2C', '%2B', '%3A');

$string = str_replace($search, $replace, $string);

$this->getfield = $string;

return $this;

}

/**

* Get getfield string (simple getter)

* @return string $this->getfields

public function getGetfield()

{

return $this->getfield;

}

/**

* Get postfields array (simple getter)

* @return array $this->postfields

public function getPostfields()

{

return $this->postfields;

}

/**

* Build the Oauth object using params set in construct and additionals

* passed to this method. For v1.1, see: https://dev.twitter.com/docs/api/1.1

* @param string $url The API url to use. Example: https://api.twitter.com/1.1/search/tweets.json

* @param string $requestMethod Either POST or GET

* @return \TwitterAPIExchange Instance of self for method chaining

public function buildOauth($url, $requestMethod)

{

if (!in_array(strtolower($requestMethod), array('post', 'get')))

{

throw new Exception('Request method must be either POST or GET');

}

$consumer_key = $this->consumer_key;

$consumer_secret = $this->consumer_secret;

$oauth_access_token = $this->oauth_access_token;

$oauth_access_token_secret = $this->oauth_access_token_secret;

$oauth = array(

'oauth_consumer_key' => $consumer_key,

'oauth_nonce' => time(),

'oauth_signature_method' => 'HMAC-SHA1',

'oauth_token' => $oauth_access_token,

'oauth_timestamp' => time(),

'oauth_version' => '1.0'

);

$getfield = $this->getGetfield();

if (!is_null($getfield))

{

$getfields = str_replace('?', '', explode('&', $getfield));

foreach ($getfields as $g)

{

$split = explode('=', $g);

$oauth[$split[0]] = $split[1];

}

$base_info = $this->buildBaseString($url, $requestMethod, $oauth);

$composite_key = rawurlencode($consumer_secret) . '&' . rawurlencode($oauth_access_token_secret);

$oauth_signature = base64_encode(hash_hmac('sha1', $base_info, $composite_key, true));

$oauth['oauth_signature'] = $oauth_signature;

$this->url = $url;

$this->oauth = $oauth;

return $this;

}

/**

* Perform the acual data retrieval from the API

* @param boolean $return If true, returns data.

* @return json If $return param is true, returns json data.

public function performRequest($return = true)

{

if (!is_bool($return))

{

throw new Exception('performRequest parameter must be true or false');

}

$header = array($this->buildAuthorizationHeader($this->oauth), 'Expect:');

$getfield = $this->getGetfield();

$postfields = $this->getPostfields();

$options = array(

CURLOPT_HTTPHEADER => $header,

CURLOPT_HEADER => false,

CURLOPT_URL => $this->url,

CURLOPT_RETURNTRANSFER => true,

CURLOPT_SSL_VERIFYPEER => false

);

if (!is_null($postfields))

{

$options[CURLOPT_POSTFIELDS] = $postfields;

}

else

{

if ($getfield !== '')

{

$options[CURLOPT_URL] .= $getfield;

}

$feed = curl_init();

curl_setopt_array($feed, $options);

$json = curl_exec($feed);

curl_close($feed);

if ($return) { return $json; }

}

/**

* Private method to generate the base string used by cURL

* @param string $baseURI

* @param string $method

* @param string $params

* @return string Built base string

private function buildBaseString($baseURI, $method, $params)

{

$return = array();

ksort($params);

foreach($params as $key=>$value)

{

$return[] = "$key=" . $value;

}

return $method . "&" . rawurlencode($baseURI) . '&' . rawurlencode(implode('&', $return));

}

/**

* Private method to generate authorization header used by cURL

* @param array $oauth Array of oauth data generated by buildOauth()

* @return string $return Header used by cURL for request

private function buildAuthorizationHeader($oauth)

{

$return = 'Authorization: OAuth ';

$values = array();

foreach($oauth as $key => $value)

{

$values[] = "$key=\"" . rawurlencode($value) . "\"";

}

$return .= implode(', ', $values);

return $return;

}

Test/tweets/TwitterAPIExchange.php at master · JavaDevl/Test · GitHub

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