title: Debug error in way2sms PHP API for sending sms
body: <p>The API was working fine for the past few months ago..But now I'm getting a notice in that output and message is not delivered.</p>
  
  <p>The notice is -" Undefined offset: 1 in C:\wamp\www\sms\sms trial.php on line 90"</p>
  
  <p>line 90 in my code is <strong><code>$userID = $match[1];</code></strong></p>
  
  <p>please help me to debug this error.</p>
  
  <p>here is my complete code....</p>
  
  <pre><code>&lt;?php
  $userID="xxxxxxxxxx"; //sender's num
  $userPWD="xxxx"; //password
  $recerverNO="yyyyyyyyyy"; // receiver's Num
  $message="hiiiii";
  
  function send_sms($userID,$userPWD,$recerverNO,$message)
  {
       if(strlen($message)&gt;140) // check for message length
           {echo "Error : Message length exceeds 140 characters" ; 
            exit(); 
            }
       if (!function_exists('curl_init')) // check for curl library installation
           {echo "Error : Curl library not installed";  
            exit(); 
            }
  
       $message_urlencode=rawurlencode($message);
        // message converted into URL encoded form
       $cookie_file_path ="C:/wampserver/www/sms/cookie.txt";
       // Cookie file location in your machine with full read and write permission
  
  //START OF Code for getting sessionid
          $url="http://site5.way2sms.com/content/index.html";
          $header_array[0] = "GET /content/index.html HTTP/1.1";
          $header_array[1]= "Host: site5.way2sms.com";
          $header_array[2]= "User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:10.0.1) Gecko/20100101 Firefox/10.0.1";
          $header_array[3]= "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8";
          $header_array[4]= "Accept-Language: en-us,en;q=0.5";
          $header_array[5]= "Accept-Encoding: gzip,deflate";
          $header_array[6]= "DNT: 1";
          $header_array[7] = "Connection: keep-alive";
          $refer="http://site5.way2sms.com/jsp/InstantSMS.jsp";
          $ch = curl_init();   //initialise the curl variable
          curl_setopt($ch, CURLOPT_URL,$url);
          //set curl URL for crawling
          curl_setopt($ch, CURLOPT_HTTPHEADER, $header_array); 
          //set the header for http request to URL 
          curl_setopt($ch, CURLOPT_REFERER, $refer);  
           //set reffer url means it shows from where the request is originated.
          curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);  
           //it means after crawling data will return
          curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
          curl_setopt($ch, CURLOPT_COOKIEFILE, $cookie_file_path);
          curl_setopt($ch, CURLOPT_COOKIEJAR, $cookie_file_path);
          // store the return cookie data in cookie file 
          $result = curl_exec ($ch); // Execute the curl function 
          curl_close ($ch);
  //END OF Code for getting sessionid
  
  //START OF Code for automatic login and storing cookies
          $post_data = "username=".$userID."&amp;password=".$userPWD."&amp;button=Login";
          $url = "http://site5.way2sms.com/Login1.action";
          $header_array[0]="POST /Login1.action HTTP/1.1";
          $header_array[1]="Host: site5.way2sms.com";
          $header_array[2]="User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:10.0.1) Gecko/20100101 Firefox/10.0.1";
          $header_array[3]="Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8";
          $header_array[4]="Accept-Language: en-us,en;q=0.5";
          $header_array[5]="Accept-Encoding: gzip, deflate";
          $header_array[6]="DNT: 1";
          $header_array[7]="Connection: keep-alive";
          $header_array[8]="Content-Type: application/x-www-form-urlencoded";
          $ch = curl_init();
          curl_setopt( $ch, CURLOPT_URL, $url );
          curl_setopt($ch, CURLOPT_POST, true);
          curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);
          curl_setopt($ch, CURLOPT_HTTPHEADER, $header_array);
          curl_setopt($ch, CURLOPT_COOKIEFILE, $cookie_file_path);
          curl_setopt($ch, CURLOPT_COOKIEJAR, $cookie_file_path);
          curl_setopt( $ch, CURLOPT_FOLLOWLOCATION, true );
          curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true );
          curl_setopt( $ch, CURLOPT_AUTOREFERER, true );
          curl_setopt($ch,CURLOPT_REFERER,"http://site5.way2sms.com/content/index.html");
          $content = curl_exec( $ch );
          $response = curl_getinfo( $ch );
          curl_close ($ch);
  //END OF Code for automatic login  and storing cookies
  
  // START OF Code is  getting way2sms unique user ID
          $url = "http://site5.way2sms.com/jsp/InstantSMS.jsp";
          $ch = curl_init();
          curl_setopt( $ch, CURLOPT_URL, $url );
          curl_setopt($ch, CURLOPT_COOKIEFILE, $cookie_file_path);
          curl_setopt($ch, CURLOPT_COOKIEJAR, $cookie_file_path);
          curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true );
          $content = curl_exec($ch);
          curl_close ($ch);
          $regex = '/input type="hidden" name="Action" id="Action" value="(.*)"/';
          preg_match($regex,$content,$match);
          $userID = $match[1];
  // END OF Code for getting way2sms unique user ID
  
  // START OF Code for sending SMS to Recever
          $post_data = "HiddenAction=instantsms&amp;catnamedis=Birthday&amp;Action=".$userID."&amp;chkall=on&amp;MobNo=".$recerverNO."&amp;textArea=".$message_urlencode;
          $url = "http://site5.way2sms.com/quicksms.action";
          $header_array[0]="POST /quicksms.action HTTP/1.1";
          $header_array[1]="Host: site5.way2sms.com";
          $header_array[2]="User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:10.0.1) Gecko/20100101 Firefox/10.0.1";
          $header_array[3]="Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8";
          $header_array[4]="Accept-Language: en-us,en;q=0.5";
          $header_array[5]="Accept-Encoding: gzip, deflate";
          $header_array[6]="DNT: 1";
          $header_array[7]="Connection: keep-alive";
          $header_array[8]="Content-Type: application/x-www-form-urlencoded";
          $ch = curl_init();
          curl_setopt( $ch, CURLOPT_URL, $url );
          curl_setopt($ch, CURLOPT_POST, true);
          curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);
          curl_setopt($ch, CURLOPT_HTTPHEADER, $header_array);
          curl_setopt($ch, CURLOPT_COOKIEFILE, $cookie_file_path);
          curl_setopt($ch, CURLOPT_COOKIEJAR, $cookie_file_path);
          curl_setopt( $ch, CURLOPT_FOLLOWLOCATION, true );
          curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true );
          curl_setopt( $ch, CURLOPT_AUTOREFERER, true );
     curl_setopt($ch,CURLOPT_REFERER,"Referer: http://site5.way2sms.com/jsp/InstantSMS.jsp");
          $content = curl_exec( $ch );
          $response = curl_getinfo( $ch );
          curl_close ($ch);
  // END OF Code for sending SMS to Recever
  
  //START OF Code for automatic logout
          $url = "http://site5.way2sms.com/jsp/logout.jsp";
          $header_array[0]="GET /jsp/logout.jsp HTTP/1.1";
          $header_array[1]="Host: site5.way2sms.com";
          $header_array[2]="User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:10.0.1) Gecko/20100101 Firefox/10.0.1";
          $header_array[3]="Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8";
          $header_array[4]="Accept-Language: en-us,en;q=0.5";
          $header_array[5]="Accept-Encoding: gzip, deflate";
          $header_array[6]="DNT: 1";
          $header_array[7]="Connection: keep-alive";
          $cookie_file_path ="/var/www/oose/cookie.txt";
          $ch = curl_init();
          curl_setopt( $ch, CURLOPT_URL, $url );
          curl_setopt($ch, CURLOPT_HTTPHEADER, $header_array);
          curl_setopt($ch, CURLOPT_COOKIEFILE, $cookie_file_path);
          curl_setopt($ch, CURLOPT_COOKIEJAR, $cookie_file_path);
          curl_setopt( $ch, CURLOPT_FOLLOWLOCATION, true );
          curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true );
          curl_setopt( $ch, CURLOPT_AUTOREFERER, true );
          curl_setopt($ch,CURLOPT_REFERER,"Referer: http://site5.way2sms.com/jsp/InstantSMS.jsp");
          $content = curl_exec( $ch );
          $response = curl_getinfo( $ch );
          curl_close ($ch);
  //END OF Code for automatic logout
  
  }// end function send_sms
  
  send_sms($userID,$userPWD,$recerverNO,$message);
  ?&gt;
  </code></pre>