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The structure of a template can vary from simple to complex content. Most of the templates are divided into areas with the above-mentioned block functions (block() and endblock()). You can access these areas via template inheritance. This makes individual template changes more transparent.
The template fe_page.htmlis divided into several blocks (including head, meta, body, , , footeretc.). We only want to add an additional meta specification.
For this we create a new template fe_page_meta.html5with the following content:
<?php $this->extend('fe_page'); ?>
<?php $this->block('meta'); ?>
<?php $this->parent(); ?>
<meta name="author" content="John Doe">
<?php $this->endblock(); ?>
The function extend()defines the parent template and the function parent()takes the original (block) content. If we use this template, all pages will be delivered with the additional meta information.