master/welcome_8php_source.html

 <?php
 echo elgg_autop(elgg_echo('install:welcome:instructions'));

 echo elgg_view('install/nav', $vars);
elgg_echo
elgg_echo(string $message_key, array $args=[], string $language= '')
Elgg language module Functions to manage language and translations.
Definition: languages.php:17

elgg_view
elgg_view(string $view, array $vars=[], string $viewtype= '')
Return a parsed view.
Definition: views.php:156

$vars
$vars
Definition: theme.php:5

elgg_autop
elgg_autop(string $string)
Create paragraphs from text with line spacing.
Definition: output.php:67