Check AND /OR use in twig file.

Check AND /OR use in twig file, look at the syntax..

For OR Syntax..

{% if content.field_machine_name|render or content.field_machine_name|render %}

        /* write comment here */

{% endif %}

For AND Syntax..
 

{% if content.field_machine_name|render and content.field_machine_name|render %}

        /* write comment here */

{% endif %} 

Note: If have any suggestions or issue regarding 'Check AND /OR use in twig file' then you can ask by comments.

Twig file feature in Drupal 8.

We use '.tpl.php' extension for druapl 7 but now in case of drupal 8 extension is '.html.twig'.
Lets talk about twig file..

1. For node id in twig file syntax..  {{ node.id }}
2. For node title in twig file syntax.. {{ node.label }}
3. For node body in twig file syntax.. {{ node.body }} 
4. For node any field.. {{ content.field_machine_name[0] }} or {{ content.field_machine_name.0 }}

if else syntax..

{% if ... %}
            /* write comment here */
{% else %}
           /* write comment here */
{% endif %}

For create variable in twig file syntax..

 

{% set variable name = "variable value" %}  then write {{  variable name }} and use it easily.

 Note: If have any suggestions or issue regarding 'Twig file feature in Drupal 8' then you can ask by comments.