Query Google using wp_remote_post() function

query_google_wp_remote_post.php

<?php

 /**
  * Run a Google query
  *
  * @since        0.1
  * @return       void
  */
  public static function google_query( $query = null ){

      if ( is_null( $query ) ) {

          return false;

      }

      // urlencode query ##
      $query = urlencode( $query );

      // user IP ##
      $userip = self::get_ip();

      // build query ##
      $url = "https://ajax.googleapis.com/ajax/services/search/web?v=1.0&q={$query}&userip={$userip}";

      // fire it off ##
      $response = wp_remote_post( $url, 
          array(
              'method'        => 'GET',
              'timeout'       => 45,
              'redirection'   => 5,
              'httpversion'   => '1.0',
              'blocking'      => true,
              'headers'       => array(),
              'body'          => array(),
              'cookies'       => array()
          )
      );

      if ( is_wp_error( $response ) ) {

         $error_message = $response->get_error_message();
         return 
              sprintf( 
                  __( "Google query failed: %s", self::text_domain )
                  ,   $error_message
              );
      
      }

      // now, process the JSON string
      $json = json_decode( $response["body"]  );

      // test ##
      #wp_die( self::pr( $json ) );

      // kick it back ##
      return $json;

  }
  
  /**
  * Get current IP address
  * 
  * @since        0.1
  * @return       String      Current IP Address
  */
  public static function get_ip()
  {

      if (!empty($_SERVER['HTTP_CLIENT_IP'])) {
          return $_SERVER['HTTP_CLIENT_IP'];
      } elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
          return $_SERVER['HTTP_X_FORWARDED_FOR'];
      } else {
          return $_SERVER['REMOTE_ADDR'];
      }

  }
  
?>