Drupal 8 custom form image field

//form build
$form['my_file'] = [
      '#type' => 'managed_file',
      '#title' => 'my file',
      '#name' => 'my_custom_file',
      '#description' => $this->t('my file description'),
      '#default_value' => [$config->get('my_file')],
      '#upload_location' => 'public://'
    ];

//form submit
$form_state->getValue('my_file')[0];

Source: drupal.stackexchange.com

Similar codes

12 votes291 views6 answers
Email validation in laravel
PHP
0 vote181 views1 answer
Trova corrispondenza nella stringa php
PHP
7 votes163 views3 answers
Wp get post id by slug
PHP
0 vote153 views1 answer
Php.hello
PHP
2 votes172 views1 answer
Wordpress get current user role
PHP
0 vote448 views1 answer
How to install mysql and phpmyadmin on windows 10
PHP
0 vote231 views1 answer
Laravel package for getID3()
PHP Laravel
0 vote158 views1 answer
Snap store phpstrom
PHP
2 votes182 views1 answer
How to run multiple laravel projects at same time
PHP Laravel
1 vote156 views2 answers
Delete quotes in php
PHP