1.9/page_2elements_2body_8php_source.html

 <?php
 echo elgg_extract('body', $vars, '');
elgg_extract
elgg_extract($key, array $array, $default=null, $strict=true)
Checks for $array[$key] and returns its value if it exists, else returns $default.
Definition: elgglib.php:1464

echo
elgg echo
Translates a string.
Definition: languages.js:43

$vars
if(file_exists($welcome)) $vars
Definition: upgrade.php:93