button.php

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<?php
$vars['class'] = elgg_extract_class($vars, 'elgg-button');
 
if (!empty($vars['confirm'])) {
    $vars['data-confirm'] = elgg_extract('confirm', $vars);
    
    // if (bool) true use defaults
    if ($vars['data-confirm'] === true) {
        $vars['data-confirm'] = elgg_echo('question:areyousure');
    }
}
 
$type = elgg_extract('type', $vars, 'button', false);
$vars['type'] = $type;
 
$text = (string) elgg_extract('text', $vars);
unset($vars['text']);
 
if (!isset($vars['aria-label']) && !isset($vars['aria-labelledby']) && !isset($vars['title']) && empty(elgg_strip_tags($text))) {
    elgg_log('An input/button should have a discernible text (text, title, aria-label or aria-labelledby)', \Psr\Log\LogLevel::NOTICE);
}
 
if (!elgg_is_empty($text)) {
    $text = elgg_format_element('span', [
        'class' => 'elgg-button-label',
    ], $text);
}
 
$icon = (string) elgg_extract('icon', $vars);
unset($vars['icon']);
 
if (!elgg_is_empty($icon) && !str_starts_with($icon, '<')) {
    $icon = elgg_view_icon($icon, [
        'class' => 'elgg-button-icon',
    ]);
}
 
$icon_alt = (string) elgg_extract('icon_alt', $vars);
unset($vars['icon_alt']);
 
if (!elgg_is_empty($icon_alt) && !str_starts_with($icon_alt, '<')) {
    $icon_alt = elgg_view_icon($icon_alt, [
        'class' => 'elgg-button-icon-alt',
    ]);
}
 
switch ($type) {
    case 'submit':
        $vars['class'][] = 'elgg-button-submit';
        break;
 
    case 'reset':
        $vars['class'][] = 'elgg-button-cancel';
        break;
}
 
echo elgg_format_element('button', $vars, $icon . $text . $icon_alt);