404_8php_source.html

 <?php
 $error = elgg_extract('error', $vars, elgg_echo('error:404:content'));
 echo elgg_view_message('error', $error);
$error
$error
Page not found error.
Definition: 404.php:6

elgg_echo
elgg_echo($message_key, array $args=[], $language="")
Elgg language module Functions to manage language and translations.
Definition: languages.php:18

elgg_view_message
elgg_view_message($type, $body, array $vars=[])
Wrapper function for the message display pattern.
Definition: views.php:965

elgg_extract
elgg_extract($key, $array, $default=null, $strict=true)
Checks for $array[$key] and returns its value if it exists, else returns $default.
Definition: elgglib.php:547

echo
elgg echo
Translates a string.
Definition: deprecated.js:530

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