UTF-8 a Facebook sharer bug

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<?php
// $Id: facebookshare.module,v 1.2 2010/04/08 15:54:37 willsteinmetz Exp $

/**
* @file
* Adds a button to a node to share on a user's Facebook stream
*/

/**
* Implements hook_help()
*/
function facebookshare_help($path, $arg) {
switch ($path) {
case 'admin/settings/facebookshare':
case 'admin/help#facebookshare':
return '<p>'. t('Provides a way for viewers to share a link to a node on' .
' their Facebook stream.') .'</p>';
}
}

/**
* Implements hook_perm()
*/
function facebookshare_perm() {
return array(
'administer facebookshare',
'access facebookshare'
);
}

/**
* Implements hook_menu()
*/
function facebookshare_menu() {
$item['admin/settings/facebookshare'] = array(
'title' => 'Facebook Share',
'description' => 'Provides the configuration options for how Facebook Share operates on the site.',
'page callback' => 'drupal_get_form',
'page arguments' => array('facebookshare_admin_settings'),
'access arguments' => array('administer facebookshare'),
'file' => 'facebookshare.admin.inc',
);

return $item;
}

/**
* Implements hook_nodeapi()
*/
function facebookshare_nodeapi(&$node, $op, $teaser = NULL, $page = NULL) {
if ($op == 'view') {
// Make sure we're on the right content type.
if (!in_array($node->type, variable_get('facebookshare_types', array()), TRUE)) {
return NULL;
}

// Make sure we're actually building the page to render in a browser.
if ($node->build_mode != NODE_BUILD_NORMAL) {
return NULL;
}

// Make sure the user has access to use Facebook Share.
if (!user_access('access facebookshare')) {
return NULL;
}

// Retrieve the location where we should show it, the style and the URL of the button.
$location = variable_get('facebookshare_location', array());
$url = url('node/' . $node->nid, array('absolute' => TRUE));

// Check in the teaser and full view.
if (($teaser && !empty($location['teasers'])) || (!$teaser && !empty($location['content']))) {
drupal_add_css(drupal_get_path('module', 'facebookshare') . '/facebookshare.css');
$node->content['facebookshare'] = array(
'#value' => theme('facebookshare', $url),
'#weight' => 10,
);
}
}
}

/**
* Implements hook_theme()
*/
function facebookshare_theme($existing, $type, $theme, $path) {
return array(
'facebookshare' => array(
'arguments' => array(
'url' => NULL,
),
),
'facebookshare_button' => array(
'arguments' => array(
'url' => NULL,
'size' => NULL,
'text' => NULL,
),
),
);
}

/**
* Themes facebook share button box
*/
function theme_facebookshare($url) {
$output = '<div class="facebookshare-box">';
$output .= theme(
'facebookshare_button',
$url,
variable_get('facebookshare_size', ''),
variable_get('facebookshare_text', '')
);
$output .= '</div>';

return $output;
}

/**
* Themes facebook share button
*/
function theme_facebookshare_button($url, $size, $text) {
$output = '<a name="fb_share" ' .
'type="' . $size . '" share_url="' . $url . '">' .
$text . '</a>' .
'<script src="http://static.ak.fbcdn.net/connect.php/js/FB.Share" ' .
'type="text/javascript"></script>';

return $output;
}