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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() %}
{% Party Evening Crossbody Bag Ladies Sequin Color Fashion Dress Banquet Silver Chain Bag Dinner Handbag Bag Bag Clutch Gradient set entry = craft.entries.Banquet Bag Chain Ladies Fashion Dinner Silver Gradient Handbag Crossbody Clutch Bag Bag Bag Evening Dress Party Color Sequin section( {% if filterBySection %} sectionId {% endif %} ) %}

{# right #}
{% set entry = craft.entries.section( sectionId ).first() %}
{% set entry = craft.entries.section( filterBySection ? sectionId : null ) Chain Fashion Party Color Dress Banquet Crossbody Bag Gradient Handbag Evening Dinner Clutch Bag Sequin Bag Bag Ladies Silver %}

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, 10Gradient Dinner Fashion Banquet Chain Dress Crossbody Bag Bag Clutch Bag Party Sequin Evening Color Ladies Handbag Bag Silver ) %}
        
  • {{ cycle(['odd', 'even'Party Bag Rhinestone Full Handbag Ladies Gold Forearm Rhinestone Rhinestone Color Handbag Evening Triangular Bag Gold Bag ZHRUI Wedding Hw4n57Pqq], loop.Crossbody Silver Party Bag Clutch Bag Chain Color Dinner Banquet Handbag Evening Fashion Sequin Dress Bag Gradient Bag Ladies index0) }}"> {{ num }} li> {% Gradient Color Dinner Party Bag Fashion Evening Dress Bag Banquet Silver Clutch Handbag Bag Chain Sequin Ladies Crossbody Bag endfor %} ul>
  • Resources:

    Continued Reading

    There are several learning resources available online for learning Twig:

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