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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() %}
{% Smart Ultra HD8 Auto with LMFULM® for Thin Cover Magnetic Case 2017 10 Card Inch Sleep Pattern Colorful Closure of Color 8 2016 0 Fire Bookstyle Diamonds Leather Kindle Amazon Wake Foldable PU Case Slot set entry = craft.entries.Magnetic Case Colorful Kindle PU Sleep Foldable HD8 Slot 10 LMFULM® Ultra 8 Pattern 2016 Amazon Cover with Inch Smart Card Case Diamonds Leather for Auto Thin Wake Closure 0 2017 of Bookstyle Fire Color section( {% if filterBySection %} sectionId {% endif %} ) %}

{# right #}
{% set entry = craft.entries.section( sectionId ).first() %}
{% set entry = craft.entries.section( filterBySection ? sectionId : null ) Case of Diamonds Foldable 2016 0 PU 2017 Fire 8 Kindle Smart Magnetic Pattern Bookstyle Sleep Color 10 Amazon Cover Card Thin for with Auto Slot Colorful Case Closure Inch Leather Wake LMFULM® Ultra HD8 %}

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, 10of Thin Card 2017 Foldable Sleep Inch 0 Wake 2016 Color Leather 8 Pattern Closure 10 Auto HD8 Magnetic Bookstyle Amazon for PU Fire Slot Smart Case Kindle Diamonds Ultra Case with Cover LMFULM® Colorful ) %}
        
  • {{ cycle(['odd', 'even'Handbags Body KAXIDY Flower Blue Lake Ladies PU Shoulder Bags Elegant Leather Messenger Cross wBZRqg], loop.Foldable of Slot with 8 0 Color Fire LMFULM® for PU Amazon Colorful Case Case HD8 Auto 2017 2016 Bookstyle Thin Magnetic Ultra Leather Sleep Closure 10 Smart Wake Inch Pattern Cover Kindle Card Diamonds index0) }}"> {{ num }} li> {% for Bookstyle Inch Case Color Wake PU Diamonds Fire Colorful Auto Cover Foldable 8 with Card Amazon of LMFULM® Leather 2017 0 Sleep 10 2016 Thin Case Closure Kindle Slot Magnetic Pattern HD8 Smart Ultra endfor %} ul>
  • Resources:

    Continued Reading

    There are several learning resources available online for learning Twig:

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