Login With Yahoo PHP API - OAuth2 Authentication

Yahoo is one of the network giant.I remember now once upon a time when i was learning class 3rd  (2004) I have accessed Yahoo home page from my school internet and and many websites too.btw i Dont know that was internet and Web browser . and This is just a simple post for login with yahoo API for fetching users detail for our web application and authentication.This is basic for fetching users data such as Contacts/Basic Profile and used for posting status and whatever API.We could use general API too. such as Whether forecast,Business Stocks,news headlines.however this is old API familiar to every one,I'm gonna add this and integrate with invite by email script with Google!

Resource : Download | Demo 

Installation : 

Yahoo provides a Library for their Oauth service with many inbuilt functions such as checking session and fetching users data.I have Included it in Demo File.use the Resource.

• First of all create a developer account and login Yahoo.click here to create. 
• Create New Application[project] for Web Oauth2 Authentication and Fetching Users Data

register your app

• In Scope choose private data -> contacts and ur preferred options for your application

Choose private data -> contacts -> preferred read or write

• After Final Step is to verify your Domain by uploading a file to root of the website.
• Get your Application ID, Consumer Key,Consumer Secret and Note your Domain is verified
  and you can add details about your app in Detail section too.

final app registered

Configuration :

Under index.php just we are adding our Application details and defining ,They are used to authenticate your application and provide you the user data.

define('OAUTH_CONSUMER_KEY', 'ZZZZZZZZAAAAA');
define('OAUTH_CONSUMER_SECRET', 'AAAAAAAAA');
define('OAUTH_DOMAIN', 'mydomain.com');
define('OAUTH_APP_ID', 'APP_ID');

Authenticate The User :

Include the Yahoo library and lets make authenticate URL,we just need to pass a callback URL alone which can be defined ourself.And to maintain the Authentication flow A Javascript is introduced for User convenience , A popup for authentication and loading the page once again for API calls and fetching user data.So , We have user in_popup in our Callback url to know that the user has authenticated and to reload the page

YahooSession is a predefined class with member function to create authurl for our application by passing our key,secret and callback url

  $callback = "http://bulbon.freeiz.com/shivasurya/invite/yahoo/sample/sampleapp.php?in_popup";
  // this URL will be used for the pop-up.

  $auth_url = YahooSession::createAuthorizationUrl(OAUTH_CONSUMER_KEY, OAUTH_CONSUMER_SECRET, $callback);

place the $auth_url in the form of Login with Yahoo link button.

Checking for Session : 

There are two type of function to easily manage session in our application.

1. hasSession method is used to check the web app has previous any session and this is used to determine to login once again with a popup.
2. requireSession method is to generate a session for us/fetch session existing one and our session data consist of the profile of the user.

$hasSession = YahooSession::hasSession(OAUTH_CONSUMER_KEY, OAUTH_CONSUMER_SECRET, OAUTH_APP_ID);

$session_new = YahooSession::requireSession(OAUTH_CONSUMER_KEY, OAUTH_CONSUMER_SECRET, OAUTH_APP_ID);

Loading user Data and Displaying Details :

So,by using the above methods we could check the existing session or request to create new session and we could load the user profile data in our web application.

if($session_check) {
    $user = $session->getSessionedUser();
  // Load the profile for the current user.
    $profile = $user->getProfile();
  }

try to var_dump the $profile array to see whole data of User who logined in to web application.For full code download and have a try in your Domain.i am leaving in your part for exception handling and checking sessions and showing login button to the users in your application.

Note : For using Yahoo API , Your domain must be verified[file upload in root directory] and above code runs in popup for authentication purpose ,enable your popups!

For Errors/comments/bugs and suggestions use comments or contact me s.shivasurya@gmail.com or connect with me via Facebook/Twitter.Share is care.

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Import Contacts and Invite New Contacts By Email From Gmail Contacts API - Inspired By Linkedin,Twitter Mail Importer

Inviting by E-Mail is an excellent way for asking new users to try our sites,Which is actually sent by their friends or contacts in Address Book.As Like as LinkedIn,Twitter Gets your Email address especially Gmail and Access all your contacts and Matches with Their Email Database and shows their existing users to follow(connect) and invite New users to try their respective sites.It means enjoying the site with their friends(Especially Twitter does this).Even i too joined LinkedIn and Twitter because of Invitation mail from my friends in Gmail via Twitter,LinkedIn.

Reference :    |  

Script Structure :

• index.php [ Main Html markup and other scripts ]
• mail.php   [ Send Mail with Loop for Users ]
• invite.js    [ javascript file handling JSON data append and processing Gmail Contacts API ] 
• process.php [ Compare exisiting users and new users responding as JSON format to frontend ]

Scope : 

This is simple add-on Application for websites having Email users database.It is similar to Twitter,Linked Contact Importer where they get API access and fetch email from corresponding service and filter them accordingly as existing users and New users.and giving some options such as Follow or Connect and Inviting by Emails.

Javascript API for Gmail Contacts Import :

Gmail API Contacts let you to Read,Update,Create Contacts in Gmail.Core part of the Contacts API below Here.

Installation and Initialization:

check here how to get those keys 

 var clientId = 'Your Client ID here';
 var apiKey = 'Your api key here';
 var scopes = 'https://www.google.com/m8/feeds';

with this we are going to add Javascript plugin Jquery,Client.js from google

<script type="text/javascript" src="//ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<script src="https://apis.google.com/js/client.js"></script>

Javascript API to get Contact List as JSON data :

Check my Last post to Authorize a Google User and access their API - Click Here

$.get("https://www.google.com/m8/feeds/contacts/default/full?alt=json&access_token=" + authResult.access_token + "&max-results=700&v=3.0",
      function(response){
if(response.feed.entry.length > 0){
         //Handle Response
       console.log(response);
         var email= [];
console.log(response.feed.entry.length);
        for ( var i= 0 ; i < response.feed.entry.length ; i++)
    {  console.log(i);
          if(response.feed.entry[i].gd$phoneNumber)
           { continue; }
else{
      email[i]= response.feed.entry[i].gd$email[0].address;
      console.log(email[i]); }
 });

Posting the Javascript email array to proccess.php via ajax to filter new users and existing users.

$.post("process.php", { email: email },
    function(Result){
     //use the results to append to show the existing users to new users.
});

process.php

process.php just filter incoming list JSON contact email to existing email database.filter them as new users as object in json ,and existing users with their prof pic we are making another object in JSON.with header JSON/Application we are just encoding output via ajax to index.php

Download the Demo files try in Localhost ,I have added Mailing code via ajax too.If you can Find any error in Javascript (invite.js) just check the console and report error as comments/ or mail me s.shivasurya@gmail.com

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working with ibm bluemix for deploying PHP application on cloud - cloud foundry

As i mentioned about my cloud experience in Heroku and attended a workshop on IBM cloud ,i had an opportunity to deploy my php application on +IBM.I got success in deploying my PHP application instant manner from my windows platform.i am so thankful to +vikas sir for introducing the bluemix through workshop session,as i mentioned in my last post.bluemix is under beta version and open to all till june.

Scope:

we could deploy php application on cloud,Create services and run database.Since i am currently using Windows 8 i would show commands and screenshot from Command Prompt.

Requirements:

> IBM ID (mandatory) with developer registration(may be useful for forums)

> Sign Up for Beta Bluemix with IBM ID (Click Here)

> Constant Internet Connection ;)

> A small php project

Installation:

Go to Official Download page for cloud foundry tool for connecting with cloud.

1) It's better to download the Stable version.

2) Select the appropriate OS and download the zip and extract.

3) Run the installer with Admin Permissions only then You won't get errors.

After Installation:

Just it will be installed In Program files in your Windows Local Disk.

1) Now open your Command prompt with Administrative Permission.

2) And type "cf" and space "-v" (option)

    C:/>cf -v   // it must output with version number of the Cloud foundry tool Application

thus CF tool is working in your command prompt.lets start initial steps to deploy our application.

manifest.yml:

This is the important step in deploying app.This is the basic app settings ,it speaks with the cloud that you need the particular setup to run your corresponding app.Simply saying it is going to initialize cloud environment for deploying.So,let us concentrate on creating manifest.yml file.note this file must be with your project files while uploading.

---
applications:
- name: NAME-OF-YOUR-FOLDER-APP
  memory: 256M
  instances: 1 
  host: WEBSITE_ADDRESS_FOR_YOUR_APP(host)
  buildpack: https://github.com/dmikusa-pivotal/cf-php-build-pack

Actual manifest.yml of my app (note that above three hyphens must be mandatory and hyphen before name is also must)

don't change Buildpack(pulling it from git php built pack),memory(actual RAM memory limit) and instance(balance load using instance).if you change it you may be charged accordingly as per price plans.

---
applications:
- name: myapp
  memory: 256M
  instances: 1 
  host: shivamyapp
  buildpack: https://github.com/dmikusa-pivotal/cf-php-build-pack

see through that your host must be unique(app web address).may be in future you can make it your custom domain.

Deployment of app:

1) Just point your API .type this in your command prompt(ADMIN)

C:/> cf api https://api.ng.bluemix.net

2) and change directory where your project file to be uploaded.

C:/> cf login

3) Enter your E-Mail ID and Password of IBM ID

just click on it and view cf login

4) after changing directory where your project exisit.(move inside where manifest.yml present) and type the command

$ cf push myapp

since i had named my folder project name i had written as myapp(replace with your app project folder name and must be same as application name in manifest.yml)

5) by executing above command just you must get like this below image.That your upload works and moving to cloud foundry.

your project file uploading via CMD

6) After that it executes many configuration and restarts the application.this mean that your Host name is correct and working.
go to Provided_Host_name.ng.bluemix.net (hostname provided in manifest.yml)
eg: myapp.ng.bleumix.net

7) While updating your application just use step number 4,5.

note: Work with caution because cloud may costs you money for over usages and scalling instance.And you can use HTTPS connections too.

I have deployed my application on Bluemix.just have a try since it is free till june month 2014.just share your experience with comments and post errors.Contact with me in s.shivasurya@gmail.com.Share is care.

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Login system v1.0 - i-visionblog

you have been using Google,Facebook Twitter with login system with recaptcha and recover system to maintain and enable privacy for users.Recaptcha enables the user to slow down the too many login attempts on a login page.I have enables access tokens to handle only genuine request from the genuine forms from PHP.since i got too many response on my last post Simple login system and OOPS approach i had made this in github for everyone to notify errors and optimize the script.

login system v1.0 i-visionblog.com

   

 App structure:

  |
  |-------- css
  |               |------- bootstrap.min.css
  |               |------- bootstrap.css
  |               |------- validator
  |                              |---css
  |                              |       | --- bootstrapvalidator.css
  |                              |       | --- bootstrapvalidator.min.css
  |                              |----js
  |                                      | --- bootstrapValidator.js
  |                                      | --- bootstrapValidator.min.js
  |
  |--------- js
  |               | --- bootstrap.js
  |               | --- bootstrap.min.js
  |               | --- jquery.js
  |               | --- jquery.min.js
  |
  |--------- fonts
  |                | - normal font files from bootstrap
  |
  |--------- index.php //checks for session and create forms accordingly
  |
  |--------- home.php //checks for session and shows the data of login user
  |
  |--------- login.php //to check db,session,login access token,attempts,recaptcha
  |
  |--------- logout.php //check for session and access key for session destroy
  |
  |--------- recaptchalib.php //script from google to show recaptcha form and verfiy
  |
  |--------- user.sql //populate your database with this file using import

features:

1)bootstrap validation with framework

2)complete login/logout with fixed sessions

3)pdo queries from db (to avoid sql injection/hacks  )

4)functions to check sessions

5)hope this will work like facebook logout enabled with session and access tokens

6)recaptcha from google to prevent more than 4 login attempts

7)no cross site post attempts(hope :p )

p.s report for bugs!! or open issues on github repo
i will be giving constant updates & social media syncing with access tokens settings for sharing,commenting and other stories on facebook,twitter.share is care

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Setting up virtual host in local server in XAMPP for simultaneous projects

virtual hosting is method of hosting on a single server with different domain name [your website address].It is also popularly known for shared hostings in web hosting industry.Mean while they handle too many techniques to handle request and on single server or set of connected ones,sharing mean here memory storage,processor cycles and many factors here are shared by many users those who host websites.i don't like shared web hosting but it is cheap and free to use for demos/test sites on original servers.i always recommend you for separate cloud/dedicated server or paid hosting server can be reliable for apps and business based websites which makes money! ;)

so i would like to explain setting virtual host on XAMPP locally on windows platform.

1) you have installed XAMPP server on your machine. or just download from official site and run the msi file.
2) first let us go through httpd-vhost.conf file entries

    go to C:\xampp\apache\conf\extra

3) we need to add some entries in httpd-vhost.conf file .better open it notepad or your favorite editor

add the follow codings at bottom of your file.(back your file and work)

NameVirtualHost *:80
<VirtualHost *:80>
DocumentRoot "C:/xampp/htdocs"
ServerName localhost
</VirtualHost>

and in the same file add code to customize your virtual host

<VirtualHost *:80>
DocumentRoot "C:/xampp/htdocs/router" /*within this you can point valid directory */
ServerName test.dev
ServerAlias www.test.dev
<Directory "c:/xampp/htdocs/router"> /* within this you can point valid directory */
Order allow,deny
Allow from all
</Directory>
</VirtualHost>

please remove comments from above coding.
save it and go to host file in windows C:/Windows/System32/drivers/etc/hosts
now open the notepad with Administrative rights to change the host file.an add the entry in it,add as last file entry.

127.0.0.1             www.test.dev

and save the file!!
4) restart your web server httpd service in your laptop/pc. you must get like this below here.

check out my url and it is my index.php

5) thats fine now you can access it from new url with your local websever given in host files.

though it is common tutorial here.it is valuable because when we work on different project this come handy and i was very sad to use same directory when i didnt approach this technique.share is care.report bugs as comments.dont play with host files better work with back up!.

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Mobile Detect in PHP and categorize different OS and Devices

According to +Mashable,Most of the Users nowadays use mobile phones,gadgets etc to access internet,apps and other services from them.so,it becomes handy for users and inorder to bring websites,standalone web application running in web browsers can be designed for the gadgets size and respective width and display the content appropriately for Easy access and better usage.You would have seen many site such as Google,Facebook release apps to load data for small gadgets efficiently instead of huge website with plugins.I would discuss about building apps from basic in future.in php we could detect the browser from headers and respond them accordingly!

php Mobile detection

Download the Above Mobile_detect.php and just call it by require or include function.

Installation:

<?php
include("Mobile_detect.php");
$found= new Mobile_detect;
?>

Sample code:

this code is just for sample there are lot of phones,OS,Browsers defined in Mobile_Detect.php just go through the class and call from creating object outside with appropriate spellings.

Screenshot from I-OS:

1)i have personally tested on Android,I-OS,Nokia ASHA and other web browsers.

2)generally this tutorials is very easy and there are lot of classes to check the mobile detection.

3)As far this class detect with the help of headers which carry browser information and OS.The authors of this class has took effort in finding Model Number|OS|Browser|Nature of Request and other parameters and made a simple class file for php.

As developer you must be known Browser header carry info about OS,Browser info and other variables within them to serve pages from web server.

a small snap of Request Headers.

report for doubts and bugs in comments.share is care.and you must not ask if user hide ip address and Browser information to me :p

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Load image url and choose like Google photos using php & jquery

we would be fascinated by using Google to upload photos while mean time we could grab the image by using JQuery and with some inbuilt functions in PHP.I have given a simple script to load the image from the given url and handled some Error occurings with the help of inbuilt functions.Any way You must need minimum PHP version to test this sample because the built in function i have used must have 5.3.2 version minimum as per Docs of PHP.

A final capture from my localhost to grab image from url!

have a look at my code at codepen widget!

<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function()
{
$("#contentbox").keyup(function()
{
var content=$(this).val();
var urlRegex = /(\b(https?|ftp|file):\/\/[-A-Z0-9+&@#\/%?=~_|!:,.;]*[-A-Z0-9+&@#\/%=~_|])/ig;

var url= content.match(urlRegex);

if(url.length>0)
{
   $("#flash").html('<img src="http://www.llandudnohostel.co.uk/assets/images/ajax-loader.gif">');
   $("#linkbox").slideDown('show');
   $.get("i.php?url="+url,function(data)
     {
       var expression=/https?:\/\/(www\.)?[-a-zA-Z0-9@:%._\+~#=]{2,256}\.[a-z]{2,6}\b([-a-zA-Z0-9@:%_\+.~#?&//=]*)/gi;
       var regex = new RegExp(expression);
       var t = data;
       if (t.match(regex) )
         {
          document.getElementById("linkbox").innerHTML = ''; 
          $("#linkbox").html("<img src='"+data+"' class='img'/>"); 
         }
  else
{
$("#linkbox").html("<h3><span class=\"error\">"+data+"</span></h3>");
}
});
}
else
{  $("#flash").html('<span>Enter valid url !okay?! </span>');
}
return false;
});
});
</script>

See the Pen grab image using url by s.shivasurya (@shivasurya) on CodePen.

php code:

This php code uses get parameter url and undergoes many test to check errors and atlast prints the url which is parsed with JQuery and displayed on clients page.

<?php
if($_GET['url']) {
$shiva=$_GET['url'];
  if($info = new SplFileInfo($shiva)) {
     if($s=$info->getExtension()) {
        $allowedExts = array("gif", "jpeg", "jpg", "png");
          if(in_array($s, $allowedExts)) {
             $size=getimagesize($shiva);
               if($size && $size!=0 ) {
                  $img = $_GET['url'];
                    echo $img;
                } else{echo "size error";}
            } else{echo "existence array error";}
      }else{echo "extension error";}
   }else{echo "file error";}
}
else{echo "error";}
?>

Since i'm currently using free hosting and it is not above 5.3.2 version  :D sorry i couldn't provide however i tried in my Localhost !if u get any error just mail me or comment below.share is care. 

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creating facebook custom stories for facebook application - learn more @i-visionblog.com

we would be fascinated in viewing the status updates,photo updates and as well as many actions that are taking place inside the Facebook.using facebook application we could create custom stories and could be posted inside facebook using such custom stories.Recently i was amazed while using Pintrest and their posts on facebook activity named as pinning action on their wall.This lead me to learn more about Graph API. and posting custom story creation.I was wandering around google for tutorials but facebook developers & stackoverflow gave me brilliant docs to follow and build the custom-stories for facebook application.

procedure:

first of all for all developers must register in the developer about their new app for any platform provided facebook.it may either windows,android,facebook app,website application,i-os application or it may be a game running on facebook canvas.register with correct URL, domain name, and provide with Developer e-mail.

1)Now go to Graph API side tab listed in left column and click that link.

2)You will be showing with Create new stories (custom).

3)Define new story with action and object.
let us see some terms about action and object below.

action: 

action is something you do on facebook and represent the post and provide a view to the friends and you as post in timeline as well as news-feed. For example SHARE is action made by the user and they are represented as post in timeline and we could post in friends timeline.

object:

object is something which is shared,added or done something on facebook.They are things and important part of the post.We could define our own objects for our custom stories on facebook.for example we could take pintrest application where PIN is action and and post is the object which is important part of the representing data!

my example :

i have choosen Answer as object and Find as action .I have attended many online forum treasure hunt were we could login using facebook and they could post on our timeline after finishing each round!So lets now define a feed that can improve representation of post using custom stories and could create lot of user interaction.

simple custom story from my application!

Working with Graph API Explorer(debugger):

now to check the post with the help of GRAPH API EXPLORER.just click on the GET CODE in stories and it shows variety of options such as Create,update,delete,retrieve for platform such as Http,PHP SDK,Android,I-OS and javascript SDK.

1) select the HTTP platform and click on the Address given it leads to open the Graph Api explorer where we could debug the url and recieve data from Facebook server using Graph API.try the other platforms also!(i have not yet tried on android/i-os)

2) Just submit the url with POST method and important thing here is me/{APP_Namespace}:{story_action} where we are going to apply the post to our timeline activity.After submiting we could see numeric value on click it we could see the post details.

now visit your timeline ->Activity log you may find your activity as sample data and it doesnt goes live to the friends until the custom story is approved by facebook team! for the application you have created.

additional options to provide users to add message,tags,places etc while posting custom stories so enable it in Action centre at below.

options under action tab!

submit your custom story action for review:

under status and review option you must submit the custom story with lot of restriction made by facebook since to enhance the quality of sharing on facebook and giving clear mind picture if the post produce by the third party apps on facebook that never correlates with native facebook applications and makes the user to experience the real life posts on facebook which are made by developer and could integrate their website with facebook for social traffic and support.

1) click start submission!

before that every developer must know the settings before applying for review in facebook. Each app on facebook must have a LOGO image and have a detailed description about the application for the users to know about your application.

overcome this error by adding necessary details!

2)you must have flow of data and working of your post with screen shot with minimum of 3 photos 

3) a detailed description about working of your custom story details and working of applications and uses of it.

4)once again submit 4 different types of snapshot of your post on facebook that are made using platforms!

5)and then submit for review and be free and have a cup of coffee aside.after three days facebook team approaches you about your status and describes what to be done.

assume that if they have given authorization then you can configure your application properly and then work with graph API calls to update in Facebook.there are lot of rules and regulations using custom stories via graph api login !I will explain how to work after getting authorization for custom stories in my next post!

if you could find errors!report the bug as comments or mail me! share is care!

Read More

creating facebook custom stories for facebook application - learn more @i-visionblog.com

we would be fascinated in viewing the status updates,photo updates and as well as many actions that are taking place inside the Facebook.using facebook application we could create custom stories and could be posted inside facebook using such custom stories.Recently i was amazed while using Pintrest and their posts on facebook activity named as pinning action on their wall.This lead me to learn more about Graph API. and posting custom story creation.I was wandering around google for tutorials but facebook developers & stackoverflow gave me brilliant docs to follow and build the custom-stories for facebook application.

procedure:

first of all for all developers must register in the developer about their new app for any platform provided facebook.it may either windows,android,facebook app,website application,i-os application or it may be a game running on facebook canvas.register with correct URL, domain name, and provide with Developer e-mail.

1)Now go to Graph API side tab listed in left column and click that link.

2)You will be showing with Create new stories (custom).

3)Define new story with action and object.
let us see some terms about action and object below.

action: 

action is something you do on facebook and represent the post and provide a view to the friends and you as post in timeline as well as news-feed. For example SHARE is action made by the user and they are represented as post in timeline and we could post in friends timeline.

object:

object is something which is shared,added or done something on facebook.They are things and important part of the post.We could define our own objects for our custom stories on facebook.for example we could take pintrest application where PIN is action and and post is the object which is important part of the representing data!

my example :

i have choosen Answer as object and Find as action .I have attended many online forum treasure hunt were we could login using facebook and they could post on our timeline after finishing each round!So lets now define a feed that can improve representation of post using custom stories and could create lot of user interaction.

simple custom story from my application!

Working with Graph API Explorer(debugger):

now to check the post with the help of GRAPH API EXPLORER.just click on the GET CODE in stories and it shows variety of options such as Create,update,delete,retrieve for platform such as Http,PHP SDK,Android,I-OS and javascript SDK.

1) select the HTTP platform and click on the Address given it leads to open the Graph Api explorer where we could debug the url and recieve data from Facebook server using Graph API.try the other platforms also!(i have not yet tried on android/i-os)

2) Just submit the url with POST method and important thing here is me/{APP_Namespace}:{story_action} where we are going to apply the post to our timeline activity.After submiting we could see numeric value on click it we could see the post details.

now visit your timeline ->Activity log you may find your activity as sample data and it doesnt goes live to the friends until the custom story is approved by facebook team! for the application you have created.

additional options to provide users to add message,tags,places etc while posting custom stories so enable it in Action centre at below.

options under action tab!

submit your custom story action for review:

under status and review option you must submit the custom story with lot of restriction made by facebook since to enhance the quality of sharing on facebook and giving clear mind picture if the post produce by the third party apps on facebook that never correlates with native facebook applications and makes the user to experience the real life posts on facebook which are made by developer and could integrate their website with facebook for social traffic and support.

1) click start submission!

before that every developer must know the settings before applying for review in facebook. Each app on facebook must have a LOGO image and have a detailed description about the application for the users to know about your application.

overcome this error by adding necessary details!

2)you must have flow of data and working of your post with screen shot with minimum of 3 photos 

3) a detailed description about working of your custom story details and working of applications and uses of it.

4)once again submit 4 different types of snapshot of your post on facebook that are made using platforms!

5)and then submit for review and be free and have a cup of coffee aside.after three days facebook team approaches you about your status and describes what to be done.

assume that if they have given authorization then you can configure your application properly and then work with graph API calls to update in Facebook.there are lot of rules and regulations using custom stories via graph api login !I will explain how to work after getting authorization for custom stories in my next post!

if you could find errors!report the bug as comments or mail me! share is care!

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reCAPTCHA Library for PHP - Learnmore @i-visionblog.com

The world is very competitive and every one tries to uphold the growth of others or promote their contents through SPAM E-mail,comments and through various aspects.So,let us see how to prevent SPAM submissions by using reCAPTCHA to validate user input and proving that user is a human being and not a ROBOT.This generally used to prevent users to make spam on site and increase duplication of data.Hope this technique may control to some extent because human become monotonous to such validation on reading the real life image and answer it in correct manner.

download library  -  Live DEMO 


First Register your DOMAIN and get your unique private & public Key.visit here to register

after registration try to get the the public and private.

then now let us set up a form for submission and try to reduce the spam actions that are over thrown on your form.

PHP & HTML code:

 <html>
  <body>
    <form action="" method="post">
<?php

require_once('recaptchalib.php');

// Get a key from https://www.google.com/recaptcha/admin/create
$publickey = "YOUR_PUBLIC_KEY";
$privatekey = "YOUR_PRIVATE_KEY";

# the response from reCAPTCHA
$resp = null;
# the error code from reCAPTCHA, if any
$error = null;


if ($_POST["recaptcha_response_field"]) {
        $resp = recaptcha_check_answer ($privatekey,
                                        $_SERVER["REMOTE_ADDR"],
                                        $_POST["recaptcha_challenge_field"],
                                        $_POST["recaptcha_response_field"]);

        if ($resp->is_valid) {
                echo "You got it!";
#REST OF YOUR CODE HERE TO UPDATE IN DATABASE OR VARIOUS OPTIONS TO PERFORM
        } else {
                # set the error code so that we can display it
                $error = $resp->error;
        }
}
echo recaptcha_get_html($publickey, $error);
?>
    <br/>
    <input type="submit" value="submit" />
    </form>
  </body></html>    

the above code include recaptchalib.php file in your download folder,just include it in the form to manage the spam.this form automatically detects the error and process the form accordingly.you can add the check up in the another file instead of same file in PHP.

you can customize the Recaptcha theme also- read here

if any bugs report as comments and feel free to share and prevent spam better using google web services.

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