# Twig Cookbook

#### Filters

Generate handle from string ( use Wordpress sanitize\_title function )

```liquid
{{ 'My title'|handle }}

--> output : my-title
```

Handle Wordpress "Read more" tag

```liquid
{{ post.content|more|raw }}
```

Resize image

```
<img src ="{{ post.thumbnail|resize(800,600) }}"/>
```

Generate picture

```twig
{{ post.thumbnail|picture(1280, 680, {'max-width: 420px':[420,665], 'max-width: 768px':[768,820]})|raw }}

--> ouput 

<picture>
    <source media="(max-width: 420px)" srcset="/uploads/image-420x665.webp" type="image/webp"/>
    <source media="(max-width: 420px)" srcset="/uploads/image-420x665.jpg" type="image/jpeg"/>
    <source media="(max-width: 768px)" srcset="/uploads/image-768x820.webp" type="image/webp"/>
    <source media="(max-width: 768px)" srcset="/uploads/image-768x820.jpg" type="image/jpeg"/>
    <source srcset="/uploads/image-1280x680.webp" type="image/webp"/>
    <img src="/uploads/image-1280x680.jpg" alt="" loading="lazy" width="1280" height="680"/>
</picture>
```

#### Functions

Execute php functions

```liquid
{{ fn('sanitize_title', 'My title') }} 
{{ function('sanitize_title', 'My title') }}
```

Search content for shortcodes and filter [shortcodes](https://developer.wordpress.org/reference/functions/do_shortcode/) through their hooks

```liquid
{{ shortcode(post.content) }}
```

Get [login url](https://developer.wordpress.org/reference/functions/wp_login_url/)

```liquid
{{ login_url() }}
```

Display [search form](https://developer.wordpress.org/reference/functions/get_search_form/)

```liquid
{{ search_form() }}
```

Retrieves the permalink for a [post type archive](https://developer.wordpress.org/reference/functions/get_post_type_archive_link/)

```liquid
{{ archive_url('guide') }}
```

Retrieve the URL for an [attachment](https://developer.wordpress.org/reference/functions/wp_get_attachment_url/)

```liquid
{{ attachment_url(10) }}
```

Get post permalink by value, available options are : id, [state](wp-steroids-plugin/page-states), [title](https://developer.wordpress.org/reference/functions/get_page_by_title/)

```liquid
{# post_url(value, type) #}
{{ post_url('My post', 'title') }}
```

Get [term permalink](https://developer.wordpress.org/reference/functions/get_term_link/)

```liquid
{{ term_url(10, 'item') }}
```

Display [dynamic sidebar](https://developer.wordpress.org/reference/functions/dynamic_sidebar/)

```liquid
{{ dynamic_sidebar(1) }}
```

Outputs a complete [commenting form](https://developer.wordpress.org/reference/functions/comment_form/) for use within a template

```liquid
{{ comment_form() }}
```

Determines whether a [sidebar contains widgets](https://developer.wordpress.org/reference/functions/is_active_sidebar/)

```liquid
{{ is_active_sidebar(1) }}
```

Retrieve the [translation](https://developer.wordpress.org/reference/functions/translate/) of text

```liquid
{{ _e('Submit') }}
{{ __('Submit') }}
```

Retrieve [translated string](https://developer.wordpress.org/reference/functions/_x/) with gettext context

```liquid
{{ _x() }}
```

Translates and retrieves the [singular or plural ](https://developer.wordpress.org/reference/functions/_n/)form based on the supplied number

```liquid
{{ _n() }}
```

Fire the wp\_head action

```liquid
{{ wp_head() }}
```

Fire the wp\_footer action.

```liquid
{{ wp_footer() }}
```

Instantiate Wordpress bundle post entity

```liquid
{% set post = Post(10) %}
```

Instantiate bundle user entity

```liquid
{% set user = User(10) %}
```

&#x20;Instantiate bundle term entity

```liquid
{% set term = Term(10) %}
```

Instantiate bundle image entity

```liquid
{% set image = Image(10) %}
```

Generate transparent image placeholder

```liquid
<img src="{{ pixel(10,20) }}"/>
```

