{# Conditionals #} {% if user %}

Welcome back, {{ user.name }}!

Last login: {{ user.last_login | date(format="%Y-%m-%d") }}

{% elif visitor_count > 0 %}

Welcome, visitor!

You are visitor number {{ visitor_count }}

{% else %}

{% endif %} {# Macro definition and usage #} {% macro render_item(item, featured=false) %}

{% if item.tags %}

{% for tag in item.tags %} {{ tag }} {% endfor %}

{% endif %}

{% endmacro render_item %} {# Items section with macro usage #}

{% for item in items %} {{ self::render_item(item=item, featured=item.id == featured_id) }} {% if not loop.last %}

{% endif %} {% endfor %}

{# Raw content that shouldn't be processed #} {% raw %}

The syntax {{ variable }} will not be processed in raw blocks. Neither will {% control %} structures.

{% endraw %} {# Includes #} {% include "partials/footer.tera" %} {# Inheritance example #} {% block content %}

This is the default content.

{% endblock content %} {# Set variables #} {% set text_color = dark_mode ? "#fff" : "#333" %} {% set items_count = items | length %}

We have {{ items_count }} items.

{# Filters with complex expressions #}

{{ items | filter(attribute="featured", value=true) | length }} featured items

{# With statement #} {% with %} {% set local_var = "Only visible in this scope" %}

{% endwith %} {# Mathematical operations #}

Price: ${{ price }}

Tax ({{ tax_rate * 100 }}%): ${{ price * tax_rate }}

Total: ${{ price * (1 + tax_rate) }}

{# Boolean operations #} {% if user and user.is_admin or super_user %}

Admin panel

{% endif %}