465 lines
11 KiB
PHP
465 lines
11 KiB
PHP
<?php
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/**
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* Demo Plugin.
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*
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* This plugin try to cover Shaarli's plugin API entirely.
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* Can be used by plugin developper to make their own.
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*/
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/*
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* RENDER HEADER, INCLUDES, FOOTER
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*
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* Those hooks are called at every page rendering.
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* You can filter its execution by checking _PAGE_ value
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* and check user status with _LOGGEDIN_.
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*/
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use Shaarli\Config\ConfigManager;
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use Shaarli\Router;
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/**
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* In the footer hook, there is a working example of a translation extension for Shaarli.
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*
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* The extension must be attached to a new translation domain (i.e. NOT 'shaarli').
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* Use case: any custom theme or non official plugin can use the translation system.
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*
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* See the documentation for more information.
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*/
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const EXT_TRANSLATION_DOMAIN = 'demo';
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/*
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* This is not necessary, but it's easier if you don't want Poedit to mix up your translations.
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*/
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function demo_plugin_t($text, $nText = '', $nb = 1)
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{
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return t($text, $nText, $nb, EXT_TRANSLATION_DOMAIN);
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}
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/**
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* Initialization function.
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* It will be called when the plugin is loaded.
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* This function can be used to return a list of initialization errors.
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*
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* @param $conf ConfigManager instance.
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*
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* @return array List of errors (optional).
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*/
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function demo_plugin_init($conf)
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{
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$conf->get('toto', 'nope');
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if (! $conf->exists('translation.extensions.demo')) {
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// Custom translation with the domain 'demo'
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$conf->set('translation.extensions.demo', 'plugins/demo_plugin/languages/');
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$conf->write(true);
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}
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$errors[] = 'This a demo init error.';
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return $errors;
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}
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/**
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* Hook render_header.
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* Executed on every page redering.
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*
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* Template placeholders:
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* - buttons_toolbar
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* - fields_toolbar
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*
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* @param array $data data passed to plugin
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*
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* @return array altered $data.
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*/
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function hook_demo_plugin_render_header($data)
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{
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// Only execute when linklist is rendered.
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if ($data['_PAGE_'] == Router::$PAGE_LINKLIST) {
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// If loggedin
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if ($data['_LOGGEDIN_'] === true) {
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/*
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* Links in toolbar:
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* A link is an array of its attributes (key="value"),
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* and a mandatory `html` key, which contains its value.
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*/
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$button = array(
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'attr' => array (
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'href' => '#',
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'class' => 'mybutton',
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'title' => 'hover me',
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),
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'html' => 'DEMO buttons toolbar',
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);
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$data['buttons_toolbar'][] = $button;
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}
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/*
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* Add additional input fields in the tools.
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* A field is an array containing:
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* [
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* 'form-attribute-1' => 'form attribute 1 value',
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* 'form-attribute-2' => 'form attribute 2 value',
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* 'inputs' => [
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* [
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* 'input-1-attribute-1 => 'input 1 attribute 1 value',
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* 'input-1-attribute-2 => 'input 1 attribute 2 value',
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* ],
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* [
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* 'input-2-attribute-1 => 'input 2 attribute 1 value',
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* ],
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* ],
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* ]
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* This example renders as:
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* <form form-attribute-1="form attribute 1 value" form-attribute-2="form attribute 2 value">
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* <input input-1-attribute-1="input 1 attribute 1 value" input-1-attribute-2="input 1 attribute 2 value">
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* <input input-2-attribute-1="input 2 attribute 1 value">
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* </form>
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*/
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$form = array(
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'attr' => array(
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'method' => 'GET',
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'action' => '?',
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'class' => 'addform',
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),
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'inputs' => array(
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array(
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'type' => 'text',
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'name' => 'demo',
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'placeholder' => 'demo',
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)
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)
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);
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$data['fields_toolbar'][] = $form;
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}
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// Another button always displayed
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$button = array(
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'attr' => array(
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'href' => '#',
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),
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'html' => 'Demo',
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);
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$data['buttons_toolbar'][] = $button;
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return $data;
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}
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/**
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* Hook render_includes.
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* Executed on every page redering.
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*
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* Template placeholders:
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* - css_files
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*
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* Data:
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* - _PAGE_: current page
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* - _LOGGEDIN_: true/false
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*
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* @param array $data data passed to plugin
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*
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* @return array altered $data.
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*/
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function hook_demo_plugin_render_includes($data)
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{
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// List of plugin's CSS files.
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// Note that you just need to specify CSS path.
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$data['css_files'][] = PluginManager::$PLUGINS_PATH . '/demo_plugin/custom_demo.css';
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return $data;
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}
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/**
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* Hook render_footer.
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* Executed on every page redering.
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*
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* Template placeholders:
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* - text
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* - endofpage
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* - js_files
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*
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* Data:
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* - _PAGE_: current page
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* - _LOGGEDIN_: true/false
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*
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* @param array $data data passed to plugin
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*
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* @return array altered $data.
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*/
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function hook_demo_plugin_render_footer($data)
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{
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// footer text
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$data['text'][] = '<br>'. demo_plugin_t('Shaarli is now enhanced by the awesome demo_plugin.');
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// Free elements at the end of the page.
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$data['endofpage'][] = '<marquee id="demo_marquee">' .
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'DEMO: it\'s 1999 all over again!' .
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'</marquee>';
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// List of plugin's JS files.
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// Note that you just need to specify CSS path.
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$data['js_files'][] = PluginManager::$PLUGINS_PATH . '/demo_plugin/demo_plugin.js';
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return $data;
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}
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/*
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* SPECIFIC PAGES
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*/
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/**
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* Hook render_linklist.
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*
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* Template placeholders:
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* - action_plugin: next to 'private only' button.
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* - plugin_start_zone: page start
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* - plugin_end_zone: page end
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* - link_plugin: icons below each links.
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*
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* Data:
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* - _LOGGEDIN_: true/false
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*
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* @param array $data data passed to plugin
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*
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* @return array altered $data.
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*/
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function hook_demo_plugin_render_linklist($data)
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{
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/*
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* Action links (action_plugin):
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* A link is an array of its attributes (key="value"),
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* and a mandatory `html` key, which contains its value.
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* It's also recommended to add key 'on' or 'off' for theme rendering.
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*/
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$action = array(
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'attr' => array(
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'href' => '?up',
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'title' => 'Uppercase!',
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),
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'html' => '←',
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);
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if (isset($_GET['up'])) {
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// Manipulate link data
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foreach ($data['links'] as &$value) {
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$value['description'] = strtoupper($value['description']);
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$value['title'] = strtoupper($value['title']);
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}
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$action['on'] = true;
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} else {
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$action['off'] = true;
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}
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$data['action_plugin'][] = $action;
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// link_plugin (for each link)
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foreach ($data['links'] as &$value) {
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$value['link_plugin'][] = ' DEMO \o/';
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}
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// plugin_start_zone
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$data['plugin_start_zone'][] = '<center>BEFORE</center>';
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// plugin_start_zone
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$data['plugin_end_zone'][] = '<center>AFTER</center>';
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return $data;
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}
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/**
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* Hook render_editlink.
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*
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* Template placeholders:
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* - field_plugin: add link fields after tags.
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*
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* @param array $data data passed to plugin
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*
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* @return array altered $data.
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*/
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function hook_demo_plugin_render_editlink($data)
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{
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// Load HTML into a string
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$html = file_get_contents(PluginManager::$PLUGINS_PATH .'/demo_plugin/field.html');
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// replace value in HTML if it exists in $data
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if (!empty($data['link']['stuff'])) {
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$html = sprintf($html, $data['link']['stuff']);
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} else {
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$html = sprintf($html, '');
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}
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// field_plugin
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$data['edit_link_plugin'][] = $html;
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return $data;
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}
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/**
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* Hook render_tools.
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*
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* Template placeholders:
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* - tools_plugin: after other tools.
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*
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* @param array $data data passed to plugin
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*
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* @return array altered $data.
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*/
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function hook_demo_plugin_render_tools($data)
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{
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// field_plugin
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$data['tools_plugin'][] = 'tools_plugin';
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return $data;
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}
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/**
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* Hook render_picwall.
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*
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* Template placeholders:
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* - plugin_start_zone: page start.
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* - plugin_end_zone: page end.
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*
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* Data:
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* - _LOGGEDIN_: true/false
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*
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* @param array $data data passed to plugin
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*
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* @return array altered $data.
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*/
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function hook_demo_plugin_render_picwall($data)
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{
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// plugin_start_zone
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$data['plugin_start_zone'][] = '<center>BEFORE</center>';
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// plugin_end_zone
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$data['plugin_end_zone'][] = '<center>AFTER</center>';
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return $data;
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}
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/**
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* Hook render_tagcloud.
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*
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* Template placeholders:
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* - plugin_start_zone: page start.
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* - plugin_end_zone: page end.
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*
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* Data:
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* - _LOGGEDIN_: true/false
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*
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* @param array $data data passed to plugin
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*
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* @return array altered $data.
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*/
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function hook_demo_plugin_render_tagcloud($data)
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{
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// plugin_start_zone
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$data['plugin_start_zone'][] = '<center>BEFORE</center>';
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// plugin_end_zone
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$data['plugin_end_zone'][] = '<center>AFTER</center>';
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return $data;
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}
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/**
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* Hook render_daily.
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*
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* Template placeholders:
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* - plugin_start_zone: page start.
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* - plugin_end_zone: page end.
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*
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* Data:
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* - _LOGGEDIN_: true/false
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*
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* @param array $data data passed to plugin
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*
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* @return array altered $data.
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*/
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function hook_demo_plugin_render_daily($data)
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{
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// plugin_start_zone
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$data['plugin_start_zone'][] = '<center>BEFORE</center>';
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// plugin_end_zone
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$data['plugin_end_zone'][] = '<center>AFTER</center>';
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// Manipulate columns data
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foreach ($data['linksToDisplay'] as &$value) {
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$value['formatedDescription'] .= ' ಠ_ಠ';
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}
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// Add plugin content at the end of each link
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foreach ($data['linksToDisplay'] as &$value) {
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$value['link_plugin'][] = 'DEMO';
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}
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return $data;
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}
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/*
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* DATA SAVING HOOK.
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*/
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/**
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* Hook savelink.
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*
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* Triggered when a link is save (new or edit).
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* All new links now contain a 'stuff' value.
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*
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* @param array $data contains the new link data.
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*
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* @return array altered $data.
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*/
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function hook_demo_plugin_save_link($data)
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{
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// Save stuff added in editlink field
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if (!empty($_POST['lf_stuff'])) {
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$data['stuff'] = escape($_POST['lf_stuff']);
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}
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return $data;
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}
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/**
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* Hook delete_link.
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*
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* Triggered when a link is deleted.
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*
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* @param array $data contains the link to be deleted.
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*
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* @return array altered data.
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*/
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function hook_demo_plugin_delete_link($data)
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{
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if (strpos($data['url'], 'youtube.com') !== false) {
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exit('You can not delete a YouTube link. Don\'t ask.');
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}
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}
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/**
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* Execute render_feed hook.
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* Called with ATOM and RSS feed.
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*
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* Special data keys:
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* - _PAGE_: current page
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* - _LOGGEDIN_: true/false
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*
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* @param array $data data passed to plugin
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*
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* @return array altered $data.
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*/
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function hook_demo_plugin_render_feed($data)
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{
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foreach ($data['links'] as &$link) {
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if ($data['_PAGE_'] == Router::$PAGE_FEED_ATOM) {
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$link['description'] .= ' - ATOM Feed' ;
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} elseif ($data['_PAGE_'] == Router::$PAGE_FEED_RSS) {
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$link['description'] .= ' - RSS Feed';
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}
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}
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return $data;
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}
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/**
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* This function is never called, but contains translation calls for GNU gettext extraction.
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*/
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function demo_dummy_translation()
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{
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// meta
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t('A demo plugin covering all use cases for template designers and plugin developers.');
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}
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