Plain Text Fields
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 Plain Text fields give you either a normal text input or a multi-line textarea, where plain text can be entered.
#Settings
Plain Text fields have the following settings:
- Placeholder Text – The field’s placeholder text, to be displayed if the field has no value yet.
 - Max Length – The maximum number of characters the field can contain.
 - Allow line breaks – Whether or not to allow line breaks in this field.
 
#The Field
Plain Text fields will either show a normal text input or a multi-line textarea, depending on whether Allow line breaks was checked.
#Development
Calling a Plain Text field in your templates will return the value that was entered in the field.
{% if entry.myFieldHandle %}
  <h3>Article</h3>
  {{ entry.myFieldHandle|markdown }}
{% endif %}
if ($entry->myFieldHandle) {
    // \yii\helpers\Markdown::process($entry->myFieldHandle);
}