(.+?)<\/title>.*?<\/entry>/is', Version::version_feed_data(), $matches)) { $this->latest = wp_specialchars($matches[1]); } } /** * latest_version_link() - Returns link to latest version release post. * * The link should be the release post on the Tarski website * for the latest version of Tarski, which will include a link * to download the .zip file of that latest version. * @since 2.0 * @return string */ function latest_version_link() { if(preg_match('/<entry>.*?<id>(.+?)<\/id>.*?<\/entry>/is', Version::version_feed_data(), $matches)) { $this->latest_link = wp_specialchars($matches[1]); } } /** * version_status() - Returns the status of the current version. * * This lets Tarski know whether there is a connection to the version * feed {@link http://tarskitheme.com/version.atom} and if so, whether * the current version is equal to the latest version. * @since 2.0 * @return string */ function version_status() { $this->current_version_number(); $this->latest_version_number(); $current_version = version_to_integer($this->current); $latest_version = version_to_integer($this->latest); if($latest_version) { if($current_version === $latest_version) $version_status = 'current'; elseif($current_version < $latest_version) $version_status = 'older'; elseif($current_version > $latest_version) $version_status = 'newer'; } else { $version_status = 'no_connection'; } $this->status = $version_status; } } /** * theme_version() - Returns either the current or the latest theme version. * * Creates a new Version object, if {@param string $version} is * set to "current" then it will return the current version, if * set to "latest" it will return the latest version. * @since 2.0 * @param string $version * @return string */ function theme_version($version = 'current') { $tarski_version = new Version; if($version == 'latest') { $tarski_version->latest_version_number(); return $tarski_version->latest; } else { $tarski_version->current_version_number(); return $tarski_version->current; } } /** * tarski_update_notifier() - Performs version checks and outputs the update notifier. * * Creates a new Version object, checks the latest and current * versions, and lets the user know whether or not their version * of Tarski needs updating. The way it displays varies slightly * between the WordPress Dashboard and the Tarski Options page. * @since 2.0 * @param string $location * @return string */ function tarski_update_notifier($messages) { global $plugin_page; if ( !is_array($messages) ) $messages = array(); $version = new Version; $version->current_version_number(); $svn_link = 'http://tarskitheme.com/help/updates/svn/'; // Update checking only performed when remote files can be accessed if ( can_get_remote() ) { // Only performs the update check when notification is enabled if ( get_tarski_option('update_notification') ) { $version->latest_version_number(); $version->latest_version_link(); $version->version_status(); if ( $version->status == 'older' ) { $messages[] = sprintf( __('A new version of the Tarski theme, version %1$s %2$s. Your installed version is %3$s.','tarski'), "$version->latest", '<a href="' . $version->latest_link . '">' . __('is now available','tarski') . '</a>', "$version->current" ); } elseif ( $plugin_page == 'tarski-options' ) { switch($version->status) { case 'current': $messages[] = sprintf( __('Your version of Tarski (%s) is up to date.','tarski'), "$version->current" ); break; case 'newer': $messages[] = sprintf( __('You appear to be running a development version of Tarski (%1$s). Please ensure you %2$s.','tarski'), "$version->current", "<a href=\"$svn_link\">" . __('stay updated','tarski') . '</a>' ); break; case 'no_connection': $messages[] = sprintf( __('No connection to update server. Your installed version is %s.','tarski'), "$version->current" ); break; } } } elseif ( $plugin_page == 'tarski-options' ) { $messages[] = sprintf( __('Update notification for Tarski is disabled. Your installed version is %s.','tarski'), "$version->current" ); } } return $messages; } ?>

current = 'unknown'; } else { $this->current = $installed_version; } } /** * version_feed_data() - Returns latest version feed data. * * @link http://tarskitheme.com/version.atom * @since 2.0 * @return string $atomdata */ function version_feed_data() { ob_start(); // Thanks to Simon Willison for the inspiration $cachefile = TARSKICACHE . "/version.atom"; $cachetime = 60 * 60; // Serve from the cache if it is younger than $cachetime if(file_exists($cachefile) && (time() - $cachetime < filemtime($cachefile)) && file_get_contents($cachefile)) { $atomdata = file_get_contents($cachefile); } else { if(function_exists('curl_init')) { // If libcurl is installed, use that $ch = curl_init(TARSKIVERSIONFILE); curl_setopt($ch, CURLOPT_FAILONERROR, 1); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_HEADER, 0); curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 1); curl_setopt($ch, CURLOPT_TIMEOUT, 1); $atomdata = curl_exec($ch); curl_close($ch); } elseif(ini_get('allow_url_fopen')) { // Otherwise try file_get_contents() $ctx = stream_context_create(array('http' => array('timeout' => 1.0))); $atomdata = @file_get_contents(TARSKIVERSIONFILE, false, $ctx); } if(!empty($atomdata) && cache_is_writable("version.atom")) { $fp = fopen($cachefile, "w"); if($fp) { fwrite($fp, $atomdata); fclose($fp); } } } return $atomdata; $atomdata = ob_get_contents(); ob_end_clean(); return $atomdata; } /** * latest_version_number() - Returns latest version number. * * @since 2.0 * @return string */ function latest_version_number() { if(preg_match('/.*?(.+?)<\/title>.*?<\/entry>/is', Version::version_feed_data(), $matches)) { $this->latest = wp_specialchars($matches[1]); } } /** * latest_version_link() - Returns link to latest version release post. * * The link should be the release post on the Tarski website * for the latest version of Tarski, which will include a link * to download the .zip file of that latest version. * @since 2.0 * @return string */ function latest_version_link() { if(preg_match('/<entry>.*?<id>(.+?)<\/id>.*?<\/entry>/is', Version::version_feed_data(), $matches)) { $this->latest_link = wp_specialchars($matches[1]); } } /** * version_status() - Returns the status of the current version. * * This lets Tarski know whether there is a connection to the version * feed {@link http://tarskitheme.com/version.atom} and if so, whether * the current version is equal to the latest version. * @since 2.0 * @return string */ function version_status() { $this->current_version_number(); $this->latest_version_number(); $current_version = version_to_integer($this->current); $latest_version = version_to_integer($this->latest); if($latest_version) { if($current_version === $latest_version) $version_status = 'current'; elseif($current_version < $latest_version) $version_status = 'older'; elseif($current_version > $latest_version) $version_status = 'newer'; } else { $version_status = 'no_connection'; } $this->status = $version_status; } } /** * theme_version() - Returns either the current or the latest theme version. * * Creates a new Version object, if {@param string $version} is * set to "current" then it will return the current version, if * set to "latest" it will return the latest version. * @since 2.0 * @param string $version * @return string */ function theme_version($version = 'current') { $tarski_version = new Version; if($version == 'latest') { $tarski_version->latest_version_number(); return $tarski_version->latest; } else { $tarski_version->current_version_number(); return $tarski_version->current; } } /** * tarski_update_notifier() - Performs version checks and outputs the update notifier. * * Creates a new Version object, checks the latest and current * versions, and lets the user know whether or not their version * of Tarski needs updating. The way it displays varies slightly * between the WordPress Dashboard and the Tarski Options page. * @since 2.0 * @param string $location * @return string */ function tarski_update_notifier($messages) { global $plugin_page; if ( !is_array($messages) ) $messages = array(); $version = new Version; $version->current_version_number(); $svn_link = 'http://tarskitheme.com/help/updates/svn/'; // Update checking only performed when remote files can be accessed if ( can_get_remote() ) { // Only performs the update check when notification is enabled if ( get_tarski_option('update_notification') ) { $version->latest_version_number(); $version->latest_version_link(); $version->version_status(); if ( $version->status == 'older' ) { $messages[] = sprintf( __('A new version of the Tarski theme, version %1$s %2$s. Your installed version is %3$s.','tarski'), "$version->latest", '<a href="' . $version->latest_link . '">' . __('is now available','tarski') . '</a>', "$version->current" ); } elseif ( $plugin_page == 'tarski-options' ) { switch($version->status) { case 'current': $messages[] = sprintf( __('Your version of Tarski (%s) is up to date.','tarski'), "$version->current" ); break; case 'newer': $messages[] = sprintf( __('You appear to be running a development version of Tarski (%1$s). Please ensure you %2$s.','tarski'), "$version->current", "<a href=\"$svn_link\">" . __('stay updated','tarski') . '</a>' ); break; case 'no_connection': $messages[] = sprintf( __('No connection to update server. Your installed version is %s.','tarski'), "$version->current" ); break; } } } elseif ( $plugin_page == 'tarski-options' ) { $messages[] = sprintf( __('Update notification for Tarski is disabled. Your installed version is %s.','tarski'), "$version->current" ); } } return $messages; } ?>