The PHP provide us to save values in sessions. For each user, there will be session maintain on the server for holding their values. In Drupal 8 we can able to access session values of a particular user with help of service() function in core.
In Drupal for form fields we able to capture multiple values by specifying unlimited values in manage fields. A similar manner for custom fields added in form alters also able to capture multiple values. The below is the example of creating multiple value capture field with add another button.
Normally content are created and managing is done using node form in Drupal. There is node create form and edit form help create and manage contents in Drupal sites. the hook function hook_form_node_form_alter() will help to achieve altering node forms to alter.
The node object is loaded by the function load() of Node class of core Drupal system. The object of the node will hold the pieces of information like Content type, created timestamp, author and revision values. Similarly we able to access node field values. The below is the example accessing the Node properties field values of the node.
The Drupal we can able to add custom CSS files to our forms. In Drupal 8 adding custom, CSS files will be achieved by using the library to system. The library files are needed before adding to form. These libraries descriptions are added in MODULE_NAME.libraries.yml files. Once libraries added we can able to define in our forms.
The captcha will help to control bot and anonymous users content creation in websites. The captcha system makes will make a challenge for every user to confirm whether the user is human or not. These challenges are mainly used for avoiding spam content creations. In Drupal, there some contribute module will help to achieve captcha for Drupal sites.
In Drupal form alter help to alter the form content so we alter existing field, Add new fields and remove fields from existing form. The Drupal forms will support us to grouping the form fields. The below example demonstrate how to add or alter existing field into a group.
By default Http is included in Providers, to use Http in your application you have to add the HttpModule to your...
TCPDF is a PDF library for generating PDF for given content. The Library is open source available on https://tcpdf.org/. We can download that library to create PDF for our need. This article will demonstrate how to change default font style of TCPDF library with our custom TTF font file.
In English grammar, there is importance to display words with proper nouns. The Singular and Plural will help to display sentences with numeric count components. Singular means only one. Plural means more than one. In Drupal 8 we can format both singular and plural values by formatPlural() function of Transulation Modules.