<?php /** * Piwik plugin. * Adds tracking code on each page. */ /** * Initialization function. * It will be called when the plugin is loaded. * This function can be used to return a list of initialization errors. * * @param $conf ConfigManager instance. * * @return array List of errors (optional). */ function piwik_init($conf) { $piwikUrl = $conf->get('plugins.PIWIK_URL'); $piwikSiteid = $conf->get('plugins.PIWIK_SITEID'); if (empty($piwikUrl) || empty($piwikSiteid)) { $error = 'Piwik plugin error: ' . 'Please define PIWIK_URL and PIWIK_SITEID in the plugin administration page.'; return array($error); } } /** * Hook render_footer. * Executed on every page redering. * * Template placeholders: * - text * - endofpage * - js_files * * Data: * - _PAGE_: current page * - _LOGGEDIN_: true/false * * @param array $data data passed to plugin * * @return array altered $data. */ function hook_piwik_render_footer($data, $conf) { $piwikUrl = $conf->get('plugins.PIWIK_URL'); $piwikSiteid = $conf->get('plugins.PIWIK_SITEID'); if (empty($piwikUrl) || empty($piwikSiteid)) { return $data; } // Free elements at the end of the page. $data['endofpage'][] = '<!-- Piwik -->' . '<script type="text/javascript">' . ' var _paq = _paq || [];' . ' _paq.push([\'trackPageView\']);' . ' _paq.push([\'enableLinkTracking\']);' . ' (function() {' . ' var u="//' . $piwikUrl . '/";' . ' _paq.push([\'setTrackerUrl\', u+\'piwik.php\']);' . ' _paq.push([\'setSiteId\', \'' . $piwikSiteid . '\']);' . ' var d=document, g=d.createElement(\'script\'), s=d.getElementsByTagName(\'script\')[0];' . ' g.type=\'text/javascript\'; g.async=true; g.defer=true; g.src=u+\'piwik.js\'; s.parentNode.insertBefore(g,s);' . ' })();' . '</script>' . '<noscript><p><img src="//' . $piwikUrl . '/piwik.php?idsite=' . $piwikSiteid . '" style="border:0;" alt="" /></p></noscript>' . '<!-- End Piwik Code -->'; return $data; }