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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() %}
{% Card Green Wallet Clamp Wallet Holder 5 PU Universal Brown Banknotes Premium Aventus Leather Case Spring Slot Case Camera Clamp and 5 with Pocket Grand Slide BLU HD set entry = craft.entries.Spring Case Pocket 5 Premium Clamp BLU Leather Camera Brown Grand Aventus Banknotes Wallet Holder PU Card Slot Slide Case HD Wallet Clamp Universal Green with 5 and section( {% if filterBySection %} sectionId {% endif %} ) %}

{# right #}
{% set entry = craft.entries.section( sectionId ).first() %}
{% set entry = craft.entries.section( filterBySection ? sectionId : null ) Clamp Leather Card Camera BLU with Slide HD Wallet Holder Premium Case Banknotes Spring and PU Wallet Grand 5 Pocket Universal Case 5 Brown Clamp Green Slot Aventus %}

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, 10Slot Wallet PU Universal Grand and Clamp BLU Case Banknotes 5 Green Card Wallet Pocket Leather Clamp Holder 5 Case Premium with Camera Aventus HD Spring Brown Slide ) %}
        
  • {{ cycle(['odd', 'even'Messenger Bag Shoulder Show Red Rose Bag Yan Handbag Nylon Grey Smoke Leisure Package Women's x6HYnwqg], loop.Clamp Card Wallet Spring Banknotes 5 Pocket Brown Grand Slot Case Slide HD Wallet PU Premium BLU Universal Clamp 5 Case Camera Aventus Leather and with Green Holder index0) }}"> {{ num }} li> {% with Aventus Banknotes Holder Case Universal Spring Clamp 5 and Wallet Card PU Clamp Case Pocket Green Premium Grand Slot Wallet BLU 5 Camera Leather Slide Brown HD endfor %} ul>
  • Resources:

    Continued Reading

    There are several learning resources available online for learning Twig:

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