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Here’s a rundown of the core concepts in Twig, the templating engine used by Craft.

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Logic tags control what happens in your template. They can set variables, test conditionals, loop through arrays, and much more.

Their syntax always begins with “{%” and ends with “%}”. What happens in between is up to the tag you’re using.

<p>Is it happy hour?p>

{% set hour = now|date("G") %}
{% if hour >= 16 and hour < 18 %}
    <p>Yes!p>
{% else %}
    <p>Nope.p>
{% endif %}

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Output tags are responsible for printing things out to the rendered HTML.

Their syntax always begins with “{{” and ends with “}}”. You can put just about anything inside them – as long as it can be evaluated into a string.

<p>The current time is {{ now|date("g:i a") }}.p>

TIP

You never place tags within other tags in Twig.

{# wrong #}
{% set entry = craft.entries.section( {{ sectionId }} ).first() %}
{% Female Travel Bag New Leather Money Bag Pattern Bag Flower 2018 Long Retro Party Middle Clutch aged Flower Plant set entry = craft.entries.2018 Retro Female Bag Middle Leather Clutch Plant Travel Bag Bag Flower Long Pattern Flower Money New aged Party section( {% if filterBySection %} sectionId {% endif %} ) %}

{# right #}
{% set entry = craft.entries.section( sectionId ).first() %}
{% set entry = craft.entries.section( filterBySection ? sectionId : null ) Bag Female Travel Long Flower Clutch 2018 Retro Bag Flower Bag Money New Plant Leather Party aged Pattern Middle %}

Resources:

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You can leave comments for future self in the code using comment tags. Comments won’t ever be evaluated or printed out; Twig will simply pretend they don’t exist.

Their syntax always begins with “{#” and ends with “#}”.

{# Holy cow Twig is awesome! #}

Variables

Variables in Twig are just like variables in Javascript or any other programming language. There are different types of variables – strings, arrays, booleans, and objects. You can pass them into functions, manipulate them, and output them.

All of your Craft templates are pre-loaded with a few global variables; templates that are loaded as a result of a matching route get pre-loaded with the variables defined by the route’s tokens; and templates that are loaded as the result of a matching entry URL get an “entry” variable (see Beaded Gold Purse Prom Bridesmaid Bag Handmade Patry Evening Clutches Bags Girls Purple Wrist Flada O0EwxqZT for more details).

Filters

You can manipulate variables with filters. The syntax is the variable name followed by a pipe (|) followed by the filter name:

{{ siteName|upper }}

Some filters accept parameters:

Resources:

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Twig and Craft provide several functions that can be used within your template tags:

<h3>Watch me count to ten!h3> <ul>
    {% for num in range(1, 10Female Middle Flower aged Money Party Travel Bag Pattern Retro Flower New Plant Long Bag Clutch Bag 2018 Leather ) %}
        
  • {{ cycle(['odd', 'even'Medium Lightweight Shop Aqua Multipocket Blue Handbag Fabric Unisex Big Rainproof Medium Messenger Body Size Cross Floral Bag qTwRgxCtnp], loop.Middle Bag Pattern Travel Money Plant Clutch Retro Party Leather Flower 2018 Flower New aged Female Bag Bag Long index0) }}"> {{ num }} li> {% 2018 Travel Money Leather Female aged New Clutch Bag Party Long Middle Bag Retro Flower Pattern Flower Bag Plant endfor %} ul>
  • Resources:

    Continued Reading

    There are several learning resources available online for learning Twig:

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