field.php

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

$view = elgg_extract('view', $vars);
unset($vars['view']);

if ($view && elgg_view_exists($view)) {
    echo elgg_view($view, $vars);
    return;
}

$label = elgg_extract('label', $vars, '');
$help = elgg_extract('help', $vars, '');

$class = elgg_extract_class($vars, 'elgg-field');
if (elgg_extract('required', $vars)) {
    $class[] = 'elgg-field-required';
}
if (elgg_extract('disabled', $vars)) {
    $class[] = 'elgg-field-disabled';
}

$field = $label . $input . $help;

echo elgg_format_element('div', [
    'class' => $class,
], $field);