master/email_2elements_2html_8php_source.html

 <?php
 $subject = elgg_extract('subject', $vars);
 $head = elgg_format_element('meta', [
     'http-equiv' => 'Content-Type',
     'content' => 'text/html; charset=UTF-8',
 ]);

 $head .= elgg_format_element('base', ['target' => '_blank']);

 if (!empty($subject)) {
     $head .= elgg_format_element('title', [], $subject);
 }

 $head .= elgg_format_element('style', [], (string) elgg_extract('css', $vars));

 $vars['head'] = $head;

 echo elgg_view('page/elements/html', $vars);
$subject
$subject
Page shell for all Email messages.
Definition: html.php:10

elgg_extract
elgg_extract($key, $array, $default=null, bool $strict=true)
Checks for $array[$key] and returns its value if it exists, else returns $default.
Definition: elgglib.php:254

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

$head
$head
Definition: html.php:11

$vars
$vars['head']
Definition: html.php:24

elgg_format_element
elgg_format_element(string $tag_name, array $attributes=[], string $text= '', array $options=[])
Format an HTML element.
Definition: output.php:145