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Jasny Twig Extensions
=======================
[](https://travis-ci.org/jasny/twig-extensions)
[](https://scrutinizer-ci.com/g/jasny/twig-extensions/?branch=master)
[](https://scrutinizer-ci.com/g/jasny/twig-extensions/?branch=master)
[](https://insight.sensiolabs.com/projects/20fdb2a4-7565-441b-8920-48a7c09113a1)
[](https://packagist.org/packages/jasny/twig-extensions)
[](https://packagist.org/packages/jasny/twig-extensions)
A number of useful filters for Twig.
## Installation
Jasny's Twig Extensions can be easily installed using [composer](http://getcomposer.org/)
composer require jasny/twig-extensions
## Usage
```php
$twig = new Twig_Environment($loader, $options);
$twig->addExtension(new Jasny\Twig\DateExtension());
$twig->addExtension(new Jasny\Twig\PcreExtension());
$twig->addExtension(new Jasny\Twig\TextExtension());
$twig->addExtension(new Jasny\Twig\ArrayExtension());
```
To use in a symfony project [register the extensions as a service](http://symfony.com/doc/current/cookbook/templating/twig_extension.html#register-an-extension-as-a-service).
```yaml
services:
twig.extension.date:
class: Jasny\Twig\DateExtension
tags:
- { name: twig.extension }
twig.extension.pcre:
class: Jasny\Twig\PcreExtension
tags:
- { name: twig.extension }
twig.extension.text:
class: Jasny\Twig\TextExtension
tags:
- { name: twig.extension }
twig.extension.array:
class: Jasny\Twig\ArrayExtension
tags:
- { name: twig.extension }
```
## Date extension
Format a date base on the current locale. Requires the [intl extension](http://www.php.net/intl).
* localdate - Format the date value as a string based on the current locale
* localtime - Format the time value as a string based on the current locale
* localdatetime - Format the date/time value as a string based on the current locale
* age - Get the age (in years) based on a date
* duration - Get the duration string from seconds
```php
Locale::setDefault(LC_ALL, "en_US"); // vs "nl_NL"
```
```
{{"now"|localdate('long')}} <!-- July 12, 2013 --> <!-- 12 juli 2013 -->
{{"now"|localtime('short')}} <!-- 5:53 PM --> <!-- 17:53 -->
{{"2013-10-01 23:15:00"|localdatetime}} <!-- 10/01/2013 11:15 PM --> <!-- 01-10-2013 23:15 -->
{{"22-08-1981"|age}} <!-- 35 -->
{{ 3600|duration }} <!-- 1h -->
```
## PCRE
Exposes [PCRE](http://www.php.net/pcre) to Twig.
* preg_quote - Quote regular expression characters
* preg_match - Perform a regular expression match
* preg_get - Perform a regular expression match and returns the matched group
* preg_get_all - Perform a regular expression match and return the group for all matches
* preg_grep - Perform a regular expression match and return an array of entries that match the pattern
* preg_replace - Perform a regular expression search and replace
* preg_filter - Perform a regular expression search and replace, returning only matched subjects.
* preg_split - Split text into an array using a regular expression
```
{% if client.email|preg_match('/^.+@.+\.\w+$/) %}Email: {{ client.email }}{% endif %}
Website: {{ client.website|preg_replace('~^https?://~')
First name: {{ client.fullname|preg_get('/^\S+/') }}
<ul>
{% for item in items|preg_split('/\s+/')|grep_filter('/-test$/', 'invert') %}
<li>{{ item }}</li>
{% endfor %}
</ul>
```
## Text ##
Convert text to HTML + string functions
* paragraph - Add HTML paragraph and line breaks to text
* line - Get a single line of text
* less - Cut of text on a pagebreak
* truncate - Cut of text if it's to long
* linkify - Turn all URLs in clickable links (also supports Twitter @user and #subject)
## Array ##
Brings PHP's array functions to Twig
* sum - Calculate the sum of values in an array
* product - Calculate the product of values in an array
* values - Return all the values of an array
* as_array - Cast an object to an associated array
* html_attr - Turn an array into an HTML attribute string