class.wordstream.inc in WordStream Keyword Tools 7

File

class.wordstream.inc

<?php

/**
 * A class to aid with accessing the Wordstream API
 *
 * Based on the code by John Gadbois - DomainSuperstar.com
 * 
 */
class WordStream {
  private $username;
  private $password;
  private $session;
  public static $apiUrl = "https://api.wordstream.com/";
  public function __construct($username, $password) {
    $this->username = $username;
    $this->password = $password;
    $loginResult = $this
      ->login();
    if ($loginResult !== false) {
      $this->session = $loginResult;
    }
  }
  public function login() {
    $response = $this
      ->callAPI('authentication/login', array(
      'username' => $this->username,
      'password' => $this->password,
    ));
    if ($response->code != 'OK') {
      return false;
    }
    else {
      return $response->data->session_id;
    }
  }
  public function logout() {
    $response = $this
      ->callAPI('authentication/logout', array(
      'session' => $this->session,
    ));
    return $response->code == 'OK';
  }
  public function getKeywords($seeds, $maxResults = 100) {
    $response = $this
      ->callAPI('keywordtool/get_keywords', array(
      'seeds' => $seeds,
      'max_results' => $maxResults,
      'session_id' => $this->session,
    ));
    if ($response->code != 'OK') {
      return false;
    }
    else {
      return $response->data;
    }
  }
  public function getRelatedKeywords($seeds, $maxResults = 100) {
    $response = $this
      ->callAPI('keywordtool/get_related_keywords', array(
      'seeds' => $seeds,
      'max_results' => $maxResults,
      'session_id' => $this->session,
    ));
    if ($response->code != 'OK') {
      return false;
    }
    else {
      return $response->data;
    }
  }
  public function getQuestionKeywords($seeds, $maxResults = 100) {
    $response = $this
      ->callAPI('keywordtool/get_question_keywords', array(
      'seeds' => $seeds,
      'max_results' => $maxResults,
      'session_id' => $this->session,
    ));
    if ($response->code != 'OK') {
      return false;
    }
    else {
      return $response->data;
    }
  }
  public function getKeywordNiches($seeds, $maxResults = 100) {
    $response = $this
      ->callAPI('keywordtool/get_keyword_niches', array(
      'seeds' => $seeds,
      'max_results' => $maxResults,
      'session_id' => $this->session,
    ));
    if ($response->code != 'OK') {
      return false;
    }
    else {
      return $response->data;
    }
  }
  public function getKeywordVolumes($seeds, $maxResults = 100) {
    $response = $this
      ->callAPI('keywordtool/get_keyword_volumes', array(
      'seeds' => $seeds,
      'max_results' => $maxResults,
      'session_id' => $this->session,
    ));
    if ($response->code != 'OK') {
      return false;
    }
    else {
      return $response->data;
    }
  }
  public function getAPICredits() {
    $response = $this
      ->callAPI('/authentication/get_api_credits', array(
      'session_id' => $this->session,
    ));
    if ($response->code != 'OK') {
      return false;
    }
    else {
      return $response->data;
    }
  }
  private function callAPI($apiMethod, $params = null) {
    $paramStr = '';
    if ($params) {
      foreach ($params as $key => $value) {
        $paramStr .= '&' . $key . '=' . urlencode($value);
      }
    }

    //initialize a new curl resource
    $queryStr = "?1=1" . $paramStr;
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, self::$apiUrl . $apiMethod . $queryStr);
    curl_setopt($ch, CURLOPT_HEADER, 0);
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    $content = curl_exec($ch);
    curl_close($ch);
    if ($content === FALSE) {
      return false;

      //Content couldn't be retrieved... Do something
    }
    else {
      return json_decode($content);

      //Content was retrieved do something with it.
    }
  }

}

Classes

Name	Description
WordStream	A class to aid with accessing the Wordstream API