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<?php
/**
* Piwik plugin.
* Adds tracking code on each page.
*/
use Shaarli\Plugin\PluginManager;
/**
* 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)) {
$error = t('Piwik plugin error: ' .
'Please define PIWIK_URL and PIWIK_SITEID in the plugin administration page.');
return [$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.
$data['endofpage'][] = sprintf(
file_get_contents(PluginManager::$PLUGINS_PATH . '/piwik/piwik.html'),
$piwikUrl,
$piwikSiteid,
$piwikUrl,
$piwikSiteid
);
return $data;
}
/**
* This function is never called, but contains translation calls for GNU gettext extraction.
*/
function piwik_dummy_translation()
{
// meta
t('A plugin that adds Piwik tracking code to Shaarli pages.');
t('Piwik URL');
t('Piwik site ID');
}
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