[CodeIgniter] Modified functions: link_tag, meta

MY_html_helper.php

<?php

if (!function_exists('link_tag')) {
    /**
     * Link.
     *
     * Generates link to a CSS file
     *
     * @param	mixed	stylesheet hrefs or an array
     * @param	string	rel
     * @param	string	type
     * @param	string	title
     * @param	string	media
     * @param	bool	should index_page be added to the css path
     *
     * @return string
     */
    function link_tag($href = '', $rel = 'stylesheet', $type = 'text/css', $title = '', $media = '', $index_page = false)
    {
        $CI = &get_instance();
        $link = '<link ';

        if (is_array($href)) {
            foreach ($href as $k => $v) {
                if ($k === 'href' && !preg_match('#^([a-z]+:)?//#i', $v)) {
                    if ($index_page === true) {
                        $link .= 'href="'.$CI->config->site_url($v).'" ';
                    } else {
                        $link .= 'href="'.$v.'" ';
                    }
                } else {
                    $link .= $k.'="'.$v.'" ';
                }
            }
        } else {
            if (preg_match('#^([a-z]+:)?//#i', $href)) {
                $link .= 'href="'.$href.'" ';
            } elseif ($index_page === true) {
                $link .= 'href="'.$CI->config->site_url($href).'" ';
            } else {
                $link .= 'href="'.$CI->config->slash_item('base_url').$href.'" ';
            }

            $link .= 'rel="'.$rel.'" type="'.$type.'" ';

            if ($media !== '') {
                $link .= 'media="'.$media.'" ';
            }

            if ($title !== '') {
                $link .= 'title="'.$title.'" ';
            }
        }

        return trim($link).">";
    }
}

if (!function_exists('meta')) {
    /**
     * Generates meta tags from an array of key/values.
     *
     * @param   array
     * @param   string
     * @param   string
     * @param   string
     *
     * @return string
     */
    function meta($name = '', $content = '', $type = 'name', $newline = "")
    {
        if (!is_array($name)) {
            $name = array(array('name' => $name, 'content' => $content, 'type' => $type, 'newline' => $newline));
        } elseif (isset($name['name'])) {
            // Turn single array into multidimensional
            $name = array($name);
        }

        $str = '';
        foreach ($name as $meta) {
            $type = (isset($meta['type']) && $meta['type'] !== 'name') ?: 'name';
            $name = isset($meta['name']) ? $meta['name'] : '';
            $content = isset($meta['content']) ? $meta['content'] : '';
            $newline = isset($meta['newline']) ? $meta['newline'] : "";

            if (isset($meta['type']) && $meta['type'] !== 'name') {
                $type = 'http-equiv';
            } elseif (isset($meta['property'])) {
                $type = 'property';
                $name = $meta['property'];
            } else {
                $type = 'name';
            }
            $str .= '<meta '.$type.'="'.$name.'" content="'.$content.'">'.$newline;
        }

        return $str;
    }
}

/* You can use "property"
Example
meta([
  ['name' => 'description', 'content' => ''],
  ['property' => 'fb:app_id', 'content' => ''],
  ['property' => 'og:type', 'content' => ''],
  ['property' => 'og:title', 'content' => ''],
  ['property' => 'og:url', 'content' => ''],
  ['property' => 'og:description', 'content' => ''],
  ['property' => 'og:image', 'content' => ''],
]);

*/