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GSoC’ 16: Port Search Configuration module; coding week #6

Google Summer of Code (GSoC) is into the next phase of coding after the mid-Term evaluations which got over by June 27th. This also reminds students to speed up the coding activities to complete the projects within the schedules provided in the proposal.

I am porting Search Configuration module to Drupal 8 as part of this year's summer of code. GSoC is definitely turning out to be a venue for the young students from universities around the world to work on real-world projects under the experience of well-known developers, learning new technologies, making use of version control systems, with regular meetings and finally building up a software which is going to help a large section of the society.

I blog regularly, sharing my project progress. If you would like to have a glimpse of my past activities on this port, please visit this link.

Drupal 8 has introduced the concept of Html twigs in place of the PHP templates. So, the PHP template files have to be now ported to the Html environment. The .tpl.php template file is replaced by the .html.twig file for the module templates.  Templates are simply text files which can give outputs in Html, Latex, CSV or XML formats.

To print some data, we usually take the service of echo statements in PHP.  The print statements are replaced by {{ }} in Html twigs.

<?php echo t('Let's start the process.'); ?>

is replaced by:

{{ 'Le's start the process'|t }}

The variable names have to be converted to simple names. For instance,

$page['title']

becomes

{{  title }}

The PHP logics have to be replaced by {% %} syntax. This is applicable to all the logical statements.

<?php if ($page['title']): ?>

.....

<?php endif; ?>

is transformed as:

{% if form %}

......

{% endif %}

Also, the variables are replaced by simple names.

<?php if ($logo): ?>

is transformed as:

{% if logo %}

These were some of the basic transformations to get started into created the HTML twigs.The use of the Html twigs has made the templates look very simple and easily understandable. It is really easy to get the templates converted to the Html twigs. This is always one of the crucial requirements of porting modules from Drupal 7 to Drupal 8.

Stay tuned for further updates on this port process.

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