help_page_test.module

<?php


/**
 * @file
 * Help Page Test module to test the help page.
 */
use Drupal\Core\Routing\RouteMatchInterface;

/**
 * Implements hook_help().
 */
function help_page_test_help($route_name, RouteMatchInterface $route_match) {
    switch ($route_name) {
        case 'help.page.help_page_test':
            // Make the help text conform to core standards. See
            // \Drupal\system\Tests\Functional\GenericModuleTestBase::assertHookHelp().
            return t('Read the <a href=":url">online documentation for the Help Page Test module</a>.', [
                ':url' => 'http://www.example.com',
            ]);
        case 'help_page_test.has_help':
            return t('I have help!');
        case 'help_page_test.test_array':
            return [
                '#markup' => 'Help text from help_page_test_help module.',
            ];
    }
    // Ensure that hook_help() can return an empty string and not cause the block
    // to display.
    return '';
}