Category: Product Development

The Ultimate Guide To Facebook Login Migration Using PHP SDK (v3.0.0)

Posted on by Jay

Facebook is the world’s largest social network with more than 2 billion monthly active users. There are so many users because it is a convenient way for people to connect with friends. The login process is smooth and simple, which makes it very easy for users to sign up and log in.

That’s why different websites such as blogs, news outlets, businesses, organizations, etc. have been integrating Facebook Login into their website by using Facebook Login API. There are more than 500 million people who log into their apps or websites using the same credentials they use on Facebook. It just makes things easier for them and more importantly, it helps businesses build trust among their users by giving them the option to sign in via their existing Facebook account.

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If you are doing a migration from v2.2.x to v3.0.0

You Need To Do the Following Changes.

  • Download SDK: https://github.com/facebook/facebook-php-sdk
  • Keep the two classes base_facebook.php and facebook.php with the certificate fb_ca_chain_bundle.crt
  • Include facebook.php in your PHP file.
  • If you’re currently using the PHP SDK (v2.2.x) for authentication, you will recall that the login code looked like this:
include_once("facebook.php"); OR include_once("base_facebook.php");
$facebook = new Facebook(…);
$session = $facebook->getSession();
if ($session) {
// proceed knowing you have a valid user session
} else {
// proceed knowing you require user login and/or authentication
}
  • The login code is now:
include_once("facebook.php");
$facebook = new Facebook(…);
$user = $facebook->getUser();
if ($user) {
// proceed knowing you have a logged in user who's authenticated
} else {
// proceed knowing you require user login and/or authentication
}

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Awesome Project collaboration Tool to Manage Your Project and Team

Posted on by Jay

When project development is in progress, practically each of the members may not meet face to face at a single workplace, neither the communication/documentation be available at the same location.

In order to overcome these hurdles, Andolasoft designed and developed a unique project collaboration tool called ‘Orangescrum’ with lots of facility and flexibility.

It is developed using CakePHP with very simple yet intuitive interfaces with easy-to-use functionalities which distinct it from other similar tools. It efficiently handles projects by maintaining effective communication among the project members with some brilliant features as discussed below

Orangescrum allows you to share files while assigning tasks to the developers for your projects. It is taken care of that the popular format (.doc, .docx, .xls, .html etc) are supported. This is extremely helpful for relating tasks with additional information in the form of documents.

  • Create and track all the task of a milestone from a single page. Milestones can be set as per the project deadline so that the stakeholders are alerted. Also tasks can be streamlined for each milestone and assigned them to concerned project members.
  • It uses a ticketing workflow to create a new task while addressing the issue. These tasks can then be assigned to specific team members in different phases. It facilitates to manage through various phases such as ‘NEW’, ‘WIP’, ‘START’ and ‘CLOSE’
  • It can also be used as a bug tracker or issue tracker. It includes filters and options to make issue tracking easier by assigning it to the concerned project members.
  • You can set email or mobile alerts to anyone involved in a project, which can be prioritized and targeted to concerned individuals. It also facilitates the receiver to reply directly from the web mail which is automatically updated in Orangescrum.
  • It includes the ‘Archive’ facility for safe storage of files and tasks. This feature helps to keep the files and task safe. These contents can later be retrieved at any time, unless it is removed permanently.

To know more about Orangescrum, please visit:  www.orangescrum.com

How To Convert Documents To PDF in PHP?

Posted on by Jay

‘Unoconv’ is the tool to convert doc, Docx, ODT to PDF file in PHP.

‘Unoconv’ is a command-line utility that can convert files from any ‘OpenOffice’ supported formats to a different ‘OpenOffice’ supporting the format.

Installation Required:

  • OpenOffice and Unoconv

You can provide one or more files as arguments to convert each of them to the specified output format.

Example:

unoconv -f pdf  example.doc

bove command will convert the example.doc to example.pdf in the current working directory.

Some other commands are:

unoconv -f odt example.doc
unoconv -f doc example.odt
unoconv -f jpg example.odt
unoconv -f xsl example.csv

File Uploading Through Paperclip in Rails 3.x

Posted on by Jay

Rails3Paperclip is an easy file attachment library for Rails Applications. Attached files are saved to the file system, database or cloud and referenced in the browser by an easily understandable specification.

Here is an example to explain the image attachment for a user profile in an application. This example narrates about saving the image in the file system. However, the images can be saved in S3 bucket [Amazon Simple Storage Service, S3] or database.

Step#1

ImageMagick must be installed in the system and Paperclip must have access to it. ImageMagick is a software suite to create, edit, compose, or convert bitmap images. It can read and write images in a variety of formats. You can download it by visiting the following URL:

http://www.imagemagick.org/script/index.php

Step#2
Include the paperclip gem in your Gemfile

gem "paperclip"

Then run the bundler to install the gem

bundle install

Step#3
Add the fields for the image processing as below in your migration file

class CreateUsers < ActiveRecord::Migration
def change
create_table :users do |t|
t.string :name
t.string :photo_file_name
t.string :photo_content_type
t.string :photo_file_size
t.timestamps
end
end
end

Then run your migration files

rake db:migrate

Step#4

Modify the user model for cropping and save image in your system folder

has_attached_file :photo, :styles => { :small => "150x150>" },
:url => "/system/:attachment/:id/:style/:basename.:extension",
:path => ":rails_root/public/system/:attachment/:id/:style/:basename.:ex

Here you can specify the file path and the image size as per the requirement.

Step#5
Modify your view file to upload an image

<pre class="plain plain">&lt;%= form_for :user,:url =&gt; {:action =&gt; "create"}, :html =&gt; { :multipart =&gt; true } do |f| %&gt;
&lt;%= f.file_field :photo %&gt;
&lt;% end %&gt;</pre>

Step#6
Write the following code to display the image of a user

<%= image_tag @user.photo.url (:small)%>

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CloudLinux’s Recent Integration of PHP 5.5 Alpha 2 Version

Posted on by Jay

Shared hosting operating system provider CloudLinux has expanded their PHP offerings by declaring the availability of PHP 5.5 Alpha2 version to its PHP selector tool.

With the ability to select PHP versions, PHP selector allows the users to get the latest feature updates

and preferred PHP version like PHP 5.2, 5.3, 5.4, and now, 5.5 Alpha2 from their web hosting control panel. CloudLinux places each individual website in a virtual private server.

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Each account is then assigned a specific amount of hardware resources and a desirable PHP version, by using the PHP selector tool.

PHP 5.5 Alpha2 version includes new features like the most awaited password hashing API and providing users the ability to use bcrypt along with loop-controlling generators.

Igor Seletskiy the CEO of CloudLinux has expressed that the availability of PHP selector has made it easier to get access to PHP features. He quoted “PHP is possibly the most widely used aspect of any shared web hosting plan.”

Igor Seletskiy also added “Like the rest of the web hosting community, we are excited to start exploring the new features of PHP version 5.5.

However, many hosting companies and their customers would not usually deploy an Alpha version on a large-scale, server-wide basis.

CloudLinux and PHP Selector make it possible for hosting providers to assign individual accounts their own PHP version without affecting other sites on the same hardware.” Integrating such features in CloudLinux has helped PHP development to become easier and more productive

Merge And Split PDF In PHP Using PDFtk

Posted on by Jay

Merge a group of PDF files to a single PDF file without disturbing the contents using PDFtk.

  • PDFtk runs on a variety of platforms, including Windows, Linux, Mac OSX, FreeBSD, and Solaris.
  • It does not require Acrobat and allows you to manipulate PDF easily and freely.

What All You Can Do in PHP Using PDFtk

  • Merge PDF documents to one.
  • Rotate PDF Pages or documents.
  • Split the pages of the PDF into a new document.
  • Encrypt the output as desired.
  • Decrypt the Input as necessary but requires a password
  • Background watermark or a foreground stamp can be applied
  • Report on PDF metrics can be generated such as metadata, bookmarks, and page labels.
  • Update PDF metadata.
  • Attach numerous files to the PDF document.
  • Compress a PDF document into a single page.

Under the GPL, PDFtk is licensed for the public.

Download Link: https://github.com/bensquire/php-pdtfk-toolkit

Examples:

You can provide two or more PDF files as arguments to create a single PDF file as output.
Merge two or more PDFs into a new PDF file with all the original contents

  • pdftk example1.pdf example2.pdf example3.pdf cat output result.pdf

Rotate the first page of a PDF to 90 degrees clockwise

  • pdftk in.pdf cat 1E 2-end output out.pdf

Rotate all the pages of the PDF document by 180 degrees

  • pdftk in.pdf cat 1-endS output out.pdf

Report on PDF document metadata, bookmarks and page labels

  • pdftk mydoc.pdf dump_data output report.txt