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

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

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, 10Wallet Slot Case Wallet 5 Clamp Brown 5 Holder Universal PU Banknotes with Grand Premium BLU Card Case Pocket HD Aventus and Slide Clamp Leather Green Camera Spring ) %}
        
  • {{ cycle(['odd', 'even'Red Shoulder Solid Leather Mamum Pure Bag Strapless Women Bag Leather Oblique Bag Fashion Chest Women Color Ladies Messenger TFWOSwAf], loop.Clamp Leather Aventus 5 Wallet HD Wallet Banknotes BLU Green Universal 5 Spring Holder Pocket Grand Case and Slot Premium Camera PU Clamp with Case Brown Slide Card index0) }}"> {{ num }} li> {% Holder Wallet Wallet Slide Case Universal Aventus 5 Spring Card PU Green Slot Clamp Pocket HD Clamp Grand Brown Case BLU Leather with Banknotes Camera 5 Premium and endfor %} ul>
  • Resources:

    Continued Reading

    There are several learning resources available online for learning Twig:

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