if($image) if($alt_image) $params
elgg_extract_class(array $array, $existing=[])
Extract class names from an array with key "class", optionally merging into a preexisting set...
$body
Elgg image block pattern.
elgg_extract($key, $array, $default=null, $strict=true)
Checks for $array[$key] and returns its value if it exists, else returns $default.