1.11/file_8php_source.html

 <?php
 if (!empty($vars['value'])) {
     echo elgg_echo('fileexists') . "<br />";
 }

 $vars['class'] = (array) elgg_extract('class', $vars, []);
 $vars['class'][] = 'elgg-input-file';

 $defaults = array(
     'disabled' => false,
     'type' => 'file'
 );

 $vars = array_merge($defaults, $vars);

 echo elgg_format_element('input', $vars);
elgg_extract
elgg_extract($key, array $array, $default=null, $strict=true)
Checks for $array[$key] and returns its value if it exists, else returns $default.
Definition: elgglib.php:1246

elgg_format_element
elgg_format_element($tag_name, array $attributes=array(), $text= '', array $options=array())
Format an HTML element.
Definition: output.php:215

$defaults
$defaults
Definition: file.php:20

elgg_echo
elgg_echo($message_key, $args=array(), $language="")
Given a message key, returns an appropriately translated full-text string.
Definition: languages.php:21

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

$vars
if(!empty($vars['value'])) $vars['class']
Definition: file.php:17