{{foo.bar}}
{{foo['bar']}}
Global Variables
_self : references the current template;
_context : references the current context;
_charset : references the current charset
Setting Variables
{% set foo = 'foo' %}
{% set foo = [1,2] %}
{% set foo = { 'foo' : 'bar' } %}
Filters
{{ name|striptags|title }}
{{ list|join(', ') }}
{% filter upper %}
This text becomes uppercase
{% endfilter %}
built-in filter :
abs / batch / capitalize / convert_encoding / date / date_modify / default /
escape / first / format / join / json_encode / keys / last / length / lower / nl2br /
number_format / merge / upper / raw / replace / reverse / slice / sort / split /
striptags / title / trim / url_encode
Functions
{% for i in range(0, 3) %}
{{ i }},
{% endfor %}
built-in function :
attribute / block / constant / cycle / date / dump /
include / parent / random / range / template_from_string
{% for i in range(low=1, high=10, step=2) %} {{ i }}, {% endfor %}
{{ data|convert_encoding('UTF-8', 'iso-2022-jp') }}
{{ "now"|date('d/m/Y H:i', timezone="Europe/Paris") }}
Control Structure
<ul> {% for user in users %} <li>{{ user.username|e }}</li> {% endfor %} </ul>
{% for i in 0..10 %}
* {{ i }}
{% endfor %}
{% for letter in 'a'..'z' %}
* {{ letter }}
{% endfor %}
{% for letter in 'a'|upper..'z'|upper %}
* {{ letter }}
{% endfor %}
for tags :
{% if users|length > 0 %} <ul> {% for user in users %} <li>{{ user.username|e }}</li> {% endfor %} </ul> {% endif %}
{% if online == false %} <p>Our website is in maintenance mode. Please, come back later.</p> {% endif %}
{% if users %} <ul> {% for user in users %} <li>{{ user.username|e }}</li> {% endfor %} </ul> {% endif %}
Including other Templates
{% include 'sidebar.html' %}
{% for box in boxes %} {% include "render_box.html" %} {% endfor %}
{% include "sections/articles/sidebar.html" %}
Template Inheritance (block)
base.html (4 block)
<!DOCTYPE html> <html> <head> {% block head %} <link rel="stylesheet" href="style.css" /> <title>{% block title %}{% endblock %} - My Webpage</title> {% endblock %} </head> <body> <div id="content">{% block content %}{% endblock %}</div> <div id="footer"> {% block footer %} © Copyright 2011 by <a href="http://domain.invalid/">you</a>. {% endblock %} </div> </body> </html>
Child tepmalte :
{% extends "base.html" %}
{% block title %}Index{% endblock %}
{% block head %}
{{ parent() }}
<style type="text/css">
.important { color: #336699; }
</style>
{% endblock %}
{% block content %}
<h1>Index</h1>
<p class="important">
Welcome to my awesome homepage.
</p>
{% endblock %}
extends - using parent() function
{% block sidebar %}
<h3>Table Of Contents</h3>
...
{{ parent() }}
{% endblock %}
HTML Escaping (using piping)
{{ user.username|escape }}
{{ user.username|e }}
{{ user.username|e('js') }} {{ user.username|e('css') }} {{ user.username|e('url') }} {{ user.username|e('html_attr') }}
{% autoescape %} Everything will be automatically escaped in this block (using the HTML strategy) {% endautoescape %}
{{ '{{' }}
{% macro input(name, value, type, size) %} <input type="{{ type|default('text') }}" name="{{ name }}" value="{{ value|e }}" size="{{ size|default(20) }}" /> {% endmacro %}
{% import "forms.html" as forms %} <p>{{ forms.input('username') }}</p>
{% from 'forms.html' import input as input_field %} <dl> <dt>Username</dt> <dd>{{ input_field('username') }}</dd> <dt>Password</dt> <dd>{{ input_field('password', '', 'password') }}</dd> </dl>
{% macro input(name, value = "", type = "text", size = 20) %} <input type="{{ type }}" name="{{ name }}" value="{{ value|e }}" size="{{ size }}" /> {% endmacro %}
Expressions
operator precedence :
b-and, b-xor, b-or, or, and,
==, !=, <, >, >=, <=, in, .., +,
-, ~, *, /, //, %, is, **, |, [],
and .:{% set greeting = 'Hello' %} {% set name = 'Fabien' %} {{ greeting ~ name|lower }} {# Hello fabien #} {# use parenthesis to change precedence #} {{ (greeting ~ name)|lower }} {# hello fabien #}
{# keys as string #} { 'foo': 'foo', 'bar': 'bar' } {# keys as names (equivalent to the previous hash) -- as of Twig 1.5 #} { foo: 'foo', bar: 'bar' } {# keys as integer #} { 2: 'foo', 4: 'bar' } {# keys as expressions (the expression must be enclosed into parentheses) -- as of Twig 1.5 #} { (1 + 1): 'foo', (a ~ 'b'): 'bar' }
{% set foo = [1, {"foo": "bar"}] %}
Math
+ : {{
1 + 1 }} is 2. - : {{ 3 - 2 }} is
1. / : The returned value will be a floating point
number. {{ 1 / 2 }} is {{ 0.5 }}. % : {{ 11 % 7 }} is
4. //: Divides and returns the truncated integer result. {{
20 // 7 }} is 2. * : {{ 2 * 2 }} would
return 4. **: power of the right operand. {{ 2 **
3 }} would return 8.Logic
and , or , not , (expr)
Comparisons
==,
!=, <, >, >=, and <=Containment Operator
{# returns true #} {{ 1 in [1, 2, 3] }} {{ 'cd' in 'abcde' }}
{% if 1 not in [1, 2, 3] %} {# is equivalent to #} {% if not (1 in [1, 2, 3]) %}
Test Operator
{# find out if a variable is odd #} {{ name is odd }}
{% if loop.index is divisibleby(3) %}
{# is equivalent to #} {% if not (loop.index is divisibleby(3)) %}
Other Operators
.. : range | : Applies a filter. ~ : Converts into strings and concat. ., [] : Gets an attribute of an object. ?: : The ternary operator{{ foo ? 'yes' : 'no' }}
{# as of Twig 1.12.0 #}
{{ foo ?: 'no' }} == {{ foo ? foo : 'no' }}
{{ foo ? 'yes' }} == {{ foo ? 'yes' : '' }}
String Interpolation
{{ "foo #{bar} baz" }} {{ "foo #{1 + 2} baz" }}
Whitespace Control
{% spaceless %} <div> <strong>foo</strong> </div> {% endspaceless %} {# output will be <div><strong>foo</strong></div> #}
{% set value = 'no spaces' %} {#- No leading/trailing whitespace -#} {%- if true -%} {{- value -}} {%- endif -%} {# output 'no spaces' #}
{% set value = 'no spaces' %} <li> {{- value }} </li> {# outputs '<li>no spaces </li>' #}
Global Tempalate :
app.security- The security context.app.user- The current user object.app.request- The request object.app.session- The session object.app.environment- The current environment (dev, prod, etc).app.debug- True if in debug mode. False otherwise.
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