Import Gmail contacts using PHP

In this tutorial, we can import Gmail contacts using PHP.

Kindly follow below steps.

  <?php   error_reporting(E_ALL);   $user = "Your Gmail ID"; // Enter your gmail ID   $password = "Your Gmail Password"; // Enter your Gmail account password.       // ref: http://code.google.com/apis/accounts/docs/AuthForInstalledApps.html       // step 1: login   $login_url = "https://www.google.com/accounts/ClientLogin";   $fields = array(   'Email' => $user,   'Passwd' => $password,   'service' => 'cp', // <== contact list service code   'source' => 'test-google-contact-grabber',   'accountType' => 'GOOGLE',   );       $curl = curl_init();   curl_setopt($curl, CURLOPT_URL,$login_url);   curl_setopt($curl, CURLOPT_POST, 1);   curl_setopt($curl, CURLOPT_POSTFIELDS,$fields);   curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 0);   curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);   $result = curl_exec($curl);       $returns = array();       foreach (explode("\n",$result) as $line)   {   $line = trim($line);   if (!$line) continue;   list($k,$v) = explode("=",$line,2);       $returns[$k] = $v;   }       curl_close($curl);       // step 2: grab the contact list   $feed_url = "http://www.google.com/m8/feeds/contacts/$user/full?alt=json&max-results=250";       $header = array(   'Authorization: GoogleLogin auth=' . $returns['Auth'],   );       $curl = curl_init();   curl_setopt($curl, CURLOPT_URL, $feed_url);   curl_setopt($curl, CURLOPT_HTTPHEADER, $header);   curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 0);   curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);       $result = curl_exec($curl);   curl_close($curl);       $data = json_decode($result);       $contacts = array();       foreach ($data->feed->entry as $entry)   {   $contact = new stdClass();   $contact->title = $entry->title->{'$t'};   $contact->email = $entry->{'gd$email'}[0]->address;   $contacts[] = $contact;   }   echo "<pre>";   print_r($contacts);