Denis Žoljom

The plugin will provide a collapsible HTML <code><details></code> block with a <code><summary></code> element that will be shown when the element is collapsed. Inside the details you can put as many paragraphs or code blocks as you want.
<h4>Requirements</h4>
<ul>
<li>PHP 5.6 or greater (recommended: PHP 7 or greater)</li>
<li>WordPress 5.0 or above (because of the Gutenberg editor)</li>
</ul>

Details Summary Block

This plugin provides a simple block for the `` HTML element.

Steve

Adds the ability to enter contact information and output the details in your posts, pages or templates.
Use the shortcode <code>[contact type="phone"]</code> to display any of the contact details, or use the function call <code><?php if ( function_exists( 'contact_detail' ) ) { contact_detail( 'phone' ); } ?></code>.
Once you have defined a contact email address, use the shortcode <code>[contact type="form"]</code> to output the contact form.
Languages: Also available in Español (Spanish) and українська (Ukrainian by Michael Yunat).

Contact Details

Adds the ability to easily enter and display contact information.

Details Summary Block vs Contact Details