[Instructions]
*/
define('FOOTNOTES_START', '[footnotes]');
class footnotes_class {
var $refs = false;
var $id = 'noid';
function __construct($id) {
if ($id)
$this->id = $id;
}
function note($n, $s) {
$lang = lang_load('plugin:footnotes');
$back = $lang ['plugin'] ['footnotes'] ['back'];
$id = $this->id;
$this->refs = true;
return '' . trim($s) . " ↩" . '';
}
function footnotes($matches) {
$lang = lang_load('plugin:footnotes');
$footnotes = $lang ['plugin'] ['footnotes'] ['footnotes'];
$str = '';
return $str;
}
function references($matches) {
$lang = lang_load('plugin:footnotes');
$footnote = $lang ['plugin'] ['footnotes'] ['footnote'];
$n = $matches [1];
$id = $this->id;
$href_rel = "{$id}-rel-{$n}";
$href_note = "{$id}-fn-{$n}";
return "{$n}";
}
function headings($matches) {
$i = 7 - strlen($matches [1]);
return "{$matches[2]}";
}
}
function plugin_footnotes_filter($text) {
global $smarty;
$footnotes_obj = new footnotes_class($id = $smarty->getTemplateVars('id'));
// *STRONG* emphasis
$text = preg_replace('|(?\w)|xs', '$1', $text);
// _emphasis_ (italic)
$text = preg_replace('|(?\w)|xs', '$1', $text);
// heading
/*
* $text = preg_replace_callback(
* '(?\w)|xs'
* //'/\n(#{1,6})([^#]+)# * /',
* array(&$footnotes_obj, 'headings'),
* $text);
*
*/
$text = preg_replace_callback('|\n' . preg_quote(FOOTNOTES_START) . '\s*(.*)|sm', array(
&$footnotes_obj,
'footnotes'
), $text);
// no [footnotes] references at the bottom of the page: stops
if (!$footnotes_obj->refs)
return $text;
$text = preg_replace_callback('|\[\^([0-9]+)\]|', array(
&$footnotes_obj,
'references'
), $text);
return $text;
}
add_filter('the_content', 'plugin_footnotes_filter', 0);
?>