2.3/page_2elements_2title_8php_source.html

 <?php
 $title = elgg_extract('title', $vars);
 if (!is_string($title) || $title === '') {
     return;
 }

 $attributes['class'] = elgg_extract_class($vars);

 echo elgg_format_element('h2', $attributes, $title);
$attributes
if(!is_string($title)||$title=== '') $attributes['class']
Definition: title.php:14

$title
$title
Outputs object title  $vars[&#39;title&#39;] Title.
Definition: title.php:8

elgg_extract_class
elgg_extract_class(array $array, $existing=[])
Extract class names from an array with key "class", optionally merging into a preexisting set...
Definition: elgglib.php:1396

$vars
$vars['entity']
Definition: plugin_settings.php:15

elgg_format_element
elgg_format_element($tag_name, array $attributes=array(), $text= '', array $options=array())
Format an HTML element.
Definition: output.php:208

echo
elgg echo
Translates a string.
Definition: languages.js:48

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:1375