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Comparison Between Drupal 7 and Drupal 8

Well in the learning process of drupal ........,
This is my second post..if you missed previous article please refer the following  link.
What is drupal and what is cms

As i said in my pervious article ,drupal is an open source framework .We can easily download it from Drupal official link.

As a extensive contibution of drupal community we are getting improved versions of drupal.
Currently  Drupal 7 and Drupal 8 is activily maintained by the community.

Lets find out the major difference between drupal 7 and drupal 8


Structure

1.Drupal 7 is based on procedural programming

2.Drupal 8 is  mainly focused on object oriented programming


Template engine

1.Drupal 7 is based on the  php template engine
2.Drupal 8 is based on  twig template engine

Routing

1.page callback functions are utilised  for each every page request   in drupal 7

2. Yml files are used to handle the routing configuration of the each path

Approach

1.Functioning of drupal 7 is based on hook functions
2. Functioning of drupal 8 is based on  services  of each class

Configuration

1.Settings of the each module is maintained by the variables
2.configuration of the each module is done through the yml files structures ..we can import and export the settings via yml files.

Listed above  is only the major difference between drupal 7 and drupal 8.
Some of the them may not understand the terms used.will  I will bring back more detailed information in the upcoming posts

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