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<?php
defined('ABSPATH') || die('Cheatin\' uh?');
class SQ_Models_Services_Favicon extends SQ_Models_Abstract_Seo
{
public function __construct()
{
parent::__construct();
if (isset($this->_post->sq->doseo) && $this->_post->sq->doseo) {
add_filter('sq_favicon', array($this, 'generateFavicon'));
add_filter('sq_favicon', array($this, 'packFavicon'), 99);
} else {
add_filter('sq_favicon', array($this, 'returnFalse'));
}
}
public function generateFavicon($favicons = array())
{
$rnd = '';
$favicons = array();
$path = parse_url(get_option( 'home' ), PHP_URL_PATH);
if (SQ_Classes_Helpers_Tools::userCan('sq_manage_settings') && function_exists('is_user_logged_in') && is_user_logged_in()) {
$rnd = '?' . substr(md5(SQ_Classes_Helpers_Tools::getOption('favicon')), 0 , 5);
}
if (SQ_Classes_Helpers_Tools::getOption('favicon') <> '' && file_exists(_SQ_CACHE_DIR_ . SQ_Classes_Helpers_Tools::getOption('favicon'))) {
if (!get_option('permalink_structure')) {
$favicon = $path . '/index.php?sq_get=favicon';
$path . '/index.php?sq_get=touchicon';
} else {
$favicon = $path . '/favicon.ico' . $rnd;
$path . '/touch-icon.png' . $rnd;
}
$favicons['shortcut icon'] = $favicon;
if(SQ_Classes_Helpers_Tools::getOption('sq_favicon_apple')) {
$appleSizes = preg_split('/[,]+/', _SQ_MOBILE_ICON_SIZES);
foreach ($appleSizes as $size) {
if (!get_option('permalink_structure')) {
$favicon = $path . '/index.php?sq_get=touchicon&sq_size=' . $size;
} else {
$favicon = $path . '/touch-icon' . $size . '.png' . $rnd;
}
if($size == end($appleSizes)){
$favicons['icon'][$size] = $favicon;
}
$favicons['apple-touch-icon'][$size] = $favicon;
}
}
} else {
if (file_exists(ABSPATH . 'favicon.ico')) {
$favicons['icon'] = $path . '/favicon.ico';
}
}
return $favicons;
}
public function packFavicon($favicons = array())
{
$allfavicons = array();
if (!empty($favicons)) {
foreach ($favicons as $key => $favicon) {
if (!is_array($favicon)) {
$mime = 'image/x-icon';
$allfavicons[] = sprintf( '<link href="%s" rel="%s" type="%s" />', $favicon, $key, $mime );
} elseif (!empty($favicon)) {
foreach ($favicon as $size => $value) {
$mime = 'image/png';
$allfavicons[] = sprintf('<link href="%s" rel="%s" type="%s" sizes="%s" />', $value, $key, $mime, $size . 'x' . $size);
}
}
}
return "\n" . join("\n", array_values($allfavicons));
}
return false;
}
}