a

    public function a()
    {
        return a('/docs/html', 'Block me', 'fa fa-lock');
    }
    public function a()
    {
        $args = func_get_args();
        $a = [];
        // numerics params
        if (isset($args[0]) && is_array($args[0])) {
            $a = $args[0];
        } elseif (isset($args[0])) {
            $a['href'] = $args[0];
            $a['title'] = $args[1];
            $a['icon'] = $args[2];
            $a['text'] = $args[3];
            $a['class_add'] = $args[4];
            $a['target'] = $args[5];
            $a['no_text'] = $args[6];
        // named params
        } elseif (isset($args['link'])) {
            $a = $args;
        }
        if (isset($args['extra']) && is_array($args['extra'])) {
            foreach ($args['extra'] as $k => $v) {
                $a[$k] = $v;
            }
        }
        if ( ! isset($a['text'])) {
            $a['text'] = $a['title'] ?: $a['href'];
        }
        if ($a['href'] && substr($a['href'], 0, strlen('http')) !== 'http' && substr($a['href'], 0, strlen('//')) !== '//') {
            $a['href'] = url($a['href']);
        }
        if ( ! isset($a['class'])) {
            $a['class'] = 'btn btn-default btn-mini btn-xs';
        }
        if ($a['class_add']) {
            $a['class'] .= ' ' . $a['class_add'];
        }
        if ( ! isset($a['target'])) {
            $a['target'] = '_blank';
        }
        $icon = '';
        if (isset($a['icon'])) {
            $icon = [];
            if ( ! is_array($a['icon'])) {
                $a['icon'] = [$a['icon']];
            }
            foreach ((array) $a['icon'] as $i) {
                $icon[] = '<i class="' . $i . '"></i>';
            }
            $icon = implode(' ', $icon);
        }
        return '<a' . _attrs($a, ['href', 'title', 'class', 'style', 'id', 'rel', 'target', 'disabled']) . '>' . $icon . ($a['no_text'] ? '' : (strlen($a['text']) ? ($icon ? ' ' : '') . _prepare_html($a['text']) : '')) . '</a>';
    }
 Block me