prepare release of v1.3.0 (#31)

Ticker ID is user input and may contain literally anything. While this
is properly escaped in the internal query, we should also escape it in
the generated HTML output.

.distignore

@@ -2,6 +2,7 @@
 /.github
 /assets
 /bin
+/dist
 /node_modules
 /tests
 /vendor

.gitattributes

@@ -11,6 +11,7 @@
 /composer.json      export-ignore
 /composer.lock      export-ignore
 /CONTRIBUTING.md    export-ignore
+/dist               export-ignore
 /package.json       export-ignore
 /package-lock.json  export-ignore
 /phpcs.xml          export-ignore

.github/workflows/test.yml

@@ -16,8 +16,6 @@ jobs:
             wordpress: '6.0'
           - php: '7.4'
             wordpress: '5.9'
-          - php: '5.6'
-            wordpress: '4.7'
     steps:
       - name: Checkout
         uses: actions/checkout@v4

README.md

@@ -6,14 +6,14 @@
 
 # Liveticker (by stklcode)
 
-* Contributors:      Stefan Kalscheuer
+* Contributors:      stklcode
 * Tags:              liveticker, feed, rss
-* Requires at least: 4.7
+* Requires at least: 5.0
 * Tested up to:      6.7
-* Requires PHP:      5.6
-* Stable tag:        1.2.3
+* Requires PHP:      7.2
+* Stable tag:        1.3.0
 * License:           GPLv2 or later
-* License URI:       http://www.gnu.org/licenses/gpl-2.0.html
+* License URI:       https://www.gnu.org/licenses/gpl-2.0.html
 
 A simple ajaxified liveticker plugin for WordPress.
 
@@ -42,8 +42,8 @@ Alternatively you can also use _Copmposer_.
 
 ### Requirements ###
 
-* PHP 5.6 or above
-* WordPress 4.7 or above
+* PHP 7.2 or above
+* WordPress 5.0 or above
 
 ## Frequently asked questions
 
@@ -80,6 +80,11 @@ caching time of 12 hours obviously makes no sense.
 
 ## Changelog
 
+### 1.3.0 - 2025-03-10
+
+* Requires at least PHP 7.2 and WordPress 5.0
+* Sorting direction can now be changed for liveticker blocks
+
 ### 1.2.3 - 2025-02-04
 
 * Escape ticker ID in shortcode output

composer.json

@@ -1,6 +1,6 @@
 {
   "name": "stklcode/stklcode-liveticker",
-  "version": "1.2.3",
+  "version": "1.3.0",
   "description": "A simple Liveticker for Wordpress.",
   "keywords": [
     "wordpress",
@@ -17,18 +17,17 @@
   ],
   "type": "wordpress-plugin",
   "require": {
-    "php": ">=5.6",
-    "composer/installers": "~1.12"
+    "php": ">=7.2",
+    "composer/installers": "~v2.3.0"
   },
   "require-dev": {
     "dealerdirect/phpcodesniffer-composer-installer": "^v1.0",
     "matthiasmullie/minify": "^1.3",
     "phpcompatibility/phpcompatibility-wp": "^2.1",
-    "phpunit/phpunit": "^5|^6|^7|^8|^9",
     "slowprog/composer-copy-file": "~0.3",
-    "squizlabs/php_codesniffer": "^3.9",
-    "wp-coding-standards/wpcs": "^3.0",
-    "yoast/phpunit-polyfills": "^2.0"
+    "squizlabs/php_codesniffer": "^3.11",
+    "wp-coding-standards/wpcs": "^3.1",
+    "yoast/wp-test-utils": "^1.2"
   },
   "scripts": {
     "post-install-cmd": [

includes/class-admin.php

@@ -23,7 +23,7 @@ class Admin extends SCLiveticker {
 	 *
 	 * @return void
 	 */
-	public static function dashboard_right_now() {
+	public static function dashboard_right_now(): void {
 		$total_files = wp_count_posts( 'scliveticker_tick' );
 
 		echo '<tr>';
@@ -37,231 +37,24 @@ class Admin extends SCLiveticker {
 	 *
 	 * @return void
 	 */
-	public static function register_settings_page() {
+	public static function register_settings_page(): void {
 		add_submenu_page(
 			'edit.php?post_type=scliveticker_tick',
 			'Liveticker ' . __( 'Settings', 'stklcode-liveticker' ),
 			__( 'Settings', 'stklcode-liveticker' ),
 			'manage_options',
 			'scliveticker_settings',
-			array(
-				__CLASS__,
-				'settings_page',
-			)
+			array( Settings::class, 'render_settings_page' )
 		);
 	}
 
-	/**
-	 * Register settings API
-	 *
-	 * @return void
-	 */
-	public static function register_settings() {
-		register_setting(
-			'scliveticker_settings',
-			self::OPTION,
-			array( __CLASS__, 'validate_settings' )
-		);
-
-		// Form sections.
-		add_settings_section(
-			'scliveticker_settings_general',
-			__( 'General', 'stklcode-liveticker' ),
-			array( __CLASS__, 'settings_general_section' ),
-			'scliveticker-settings-page'
-		);
-
-		// Form fields.
-		add_settings_field(
-			'enable_ajax',
-			__( 'Use AJAX', 'stklcode-liveticker' ),
-			array( __CLASS__, 'settings_enable_ajax_field' ),
-			'scliveticker-settings-page',
-			'scliveticker_settings_general',
-			array( 'label_for' => esc_attr( self::OPTION ) . '-enable-ajax' )
-		);
-
-		add_settings_field(
-			'poll_interval',
-			__( 'AJAX poll interval', 'stklcode-liveticker' ),
-			array( __CLASS__, 'settings_poll_interval_field' ),
-			'scliveticker-settings-page',
-			'scliveticker_settings_general',
-			array( 'label_for' => esc_attr( self::OPTION ) . '-poll-interval' )
-		);
-
-		add_settings_field(
-			'enable_css',
-			__( 'Default CSS Styles', 'stklcode-liveticker' ),
-			array( __CLASS__, 'settings_enable_css_field' ),
-			'scliveticker-settings-page',
-			'scliveticker_settings_general',
-			array( 'label_for' => esc_attr( self::OPTION ) . '-enable-css' )
-		);
-
-		add_settings_field(
-			'show_feed',
-			__( 'Show RSS feed', 'stklcode-liveticker' ),
-			array( __CLASS__, 'settings_show_feed_field' ),
-			'scliveticker-settings-page',
-			'scliveticker_settings_general',
-			array( 'label_for' => esc_attr( self::OPTION ) . '-show-feed' )
-		);
-
-		add_settings_field(
-			'enable_shortcode',
-			__( 'Shortcode support', 'stklcode-liveticker' ),
-			array( __CLASS__, 'settings_enable_shortcode_field' ),
-			'scliveticker-settings-page',
-			'scliveticker_settings_general',
-			array( 'label_for' => esc_attr( self::OPTION ) . '-enable-shortcode' )
-		);
-
-		add_settings_field(
-			'embedded_script',
-			__( 'Embedded JavaScript', 'stklcode-liveticker' ),
-			array( __CLASS__, 'settings_embedded_script_field' ),
-			'scliveticker-settings-page',
-			'scliveticker_settings_general',
-			array( 'label_for' => esc_attr( self::OPTION ) . '-embedded-script' )
-		);
-	}
-
-	/**
-	 * Render general section.
-	 *
-	 * @return void
-	 */
-	public static function settings_general_section() {
-	}
-
-	/**
-	 * Render uninstall section.
-	 *
-	 * @return void
-	 */
-	public static function settings_uninstall_section() {
-	}
-
-	/**
-	 * Render enable AJAX field.
-	 *
-	 * @return void
-	 */
-	public static function settings_enable_ajax_field() {
-		$checked = self::$options['enable_ajax'];
-
-		echo '<input id="' . esc_attr( self::OPTION ) . '-enable-ajax" type="checkbox" name="' . esc_attr( self::OPTION ) . '[enable_ajax]" value="1" ' . checked( $checked, 1, false ) . '> ';
-		esc_html_e( 'Enable', 'stklcode-liveticker' );
-		echo '<p class="description">' . esc_html__( 'Disable this option to not use AJAX update. This means all liveticker widgets and shortcodes are only updated once on site load.', 'stklcode-liveticker' ) . '</p>';
-	}
-
-	/**
-	 * Render AJAX poll interval field.
-	 *
-	 * @return void
-	 */
-	public static function settings_poll_interval_field() {
-		$poll_interval = self::$options['poll_interval'];
-
-		echo '<input id="' . esc_attr( self::OPTION ) . '-poll-interval" type="number" name="' . esc_attr( self::OPTION ) . '[poll_interval]" value="' . esc_attr( $poll_interval ) . '"> ';
-		esc_html_e( 'seconds', 'stklcode-liveticker' );
-		echo '<p class="description">' . esc_html__( 'Interval (in seconds) to update ticker if AJAX is enabled.', 'stklcode-liveticker' ) . '</p>';
-	}
-
-
-	/**
-	 * Render enable css field.
-	 *
-	 * @return void
-	 */
-	public static function settings_enable_css_field() {
-		$checked = self::$options['enable_css'];
-
-		echo '<input id="' . esc_attr( self::OPTION ) . '-enable-css" type="checkbox" name="' . esc_attr( self::OPTION ) . '[enable_css]" value="1" ' . checked( $checked, 1, false ) . ' /> ';
-		esc_html_e( 'Enable', 'stklcode-liveticker' );
-		echo '<p class="description">' . esc_html__( 'Disable this option to remove the default styling CSS file.', 'stklcode-liveticker' ) . '</p>';
-	}
-
-	/**
-	 * Render enable css field.
-	 *
-	 * @return void
-	 */
-	public static function settings_show_feed_field() {
-		$checked = self::$options['show_feed'];
-
-		echo '<input id="' . esc_attr( self::OPTION ) . '-show-feed" type="checkbox" name="' . esc_attr( self::OPTION ) . '[show_feed]" value="1" ' . checked( $checked, 1, false ) . ' /> ';
-		esc_html_e( 'Enable', 'stklcode-liveticker' );
-		echo '<p class="description">' . esc_html__( 'Can be overwritten in shortcode.', 'stklcode-liveticker' ) . '</p>';
-	}
-
-	/**
-	 * Render enable shortcode field.
-	 *
-	 * @return void
-	 *
-	 * @since 1.2
-	 */
-	public static function settings_enable_shortcode_field() {
-		$checked = self::$options['enable_shortcode'];
-
-		echo '<input id="' . esc_attr( self::OPTION ) . '-enable-shortcode" type="checkbox" name="' . esc_attr( self::OPTION ) . '[enable_shortcode]" value="1" ' . checked( $checked, 1, false ) . ' /> ';
-		esc_html_e( 'Enable', 'stklcode-liveticker' );
-		echo '<p class="description">' . esc_html__( 'Enable shortcode processing in tick content.', 'stklcode-liveticker' ) . '</p>';
-	}
-
-	/**
-	 * Render embedded script field.
-	 *
-	 * @return void
-	 *
-	 * @since 1.2
-	 */
-	public static function settings_embedded_script_field() {
-		$checked = self::$options['embedded_script'];
-
-		echo '<input id="' . esc_attr( self::OPTION ) . '-embedded-script" type="checkbox" name="' . esc_attr( self::OPTION ) . '[embedded_script]" value="1" ' . checked( $checked, 1, false ) . ' /> ';
-		esc_html_e( 'Enable', 'stklcode-liveticker' );
-		echo '<p class="description">' . esc_html__( 'Allow embedded script evaluation in tick contents. This might be useful for embedded content, e.g. social media integrations.', 'stklcode-liveticker' ) . '</p>';
-	}
-
-	/**
-	 * Render the settings page.
-	 *
-	 * @return void
-	 */
-	public static function settings_page() {
-		include SCLIVETICKER_DIR . 'views/settings-page.php';
-	}
-
-	/**
-	 * Validate settings callback.
-	 *
-	 * @param array $input Input arguments.
-	 *
-	 * @return array Parsed arguments.
-	 */
-	public static function validate_settings( $input ) {
-		$defaults = self::default_options();
-
-		$result['enable_ajax']      = isset( $input['enable_ajax'] ) ? intval( $input['enable_ajax'] ) : 0;
-		$result['poll_interval']    = isset( $input['poll_interval'] ) ? intval( $input['poll_interval'] ) : $defaults['poll_interval'];
-		$result['enable_css']       = isset( $input['enable_css'] ) ? intval( $input['enable_css'] ) : 0;
-		$result['show_feed']        = isset( $input['show_feed'] ) ? intval( $input['show_feed'] ) : 0;
-		$result['enable_shortcode'] = isset( $input['enable_shortcode'] ) ? intval( $input['enable_shortcode'] ) : 0;
-		$result['embedded_script']  = isset( $input['embedded_script'] ) ? intval( $input['embedded_script'] ) : 0;
-
-		return $result;
-	}
-
 	/**
 	 * Register custom Gutenberg block type.
 	 *
 	 * @return void
 	 * @since 1.1
 	 */
-	public static function register_block() {
+	public static function register_block(): void {
 		wp_register_script(
 			'scliveticker-editor',
 			SCLIVETICKER_BASE . 'scripts/block.min.js',

includes/class-api.php

@@ -15,6 +15,7 @@ if ( ! defined( 'ABSPATH' ) ) {
 }
 
 use DateTime;
+use WP_REST_Request;
 
 /**
  * Liveticker.
@@ -27,7 +28,7 @@ class Api {
 	 *
 	 * @return void
 	 */
-	public static function init() {
+	public static function init(): void {
 		// Add rendered modification date to WP_Post object.
 		register_rest_field(
 			'scliveticker_tick',
@@ -47,12 +48,12 @@ class Api {
 	/**
 	 * Filter tick queries by ticker slug and date.
 	 *
-	 * @param array            $args    Query vars.
-	 * @param \WP_REST_Request $request The REST request.
+	 * @param array           $args    Query vars.
+	 * @param WP_REST_Request $request The REST request.
 	 *
 	 * @return array Filtered query values.
 	 */
-	public static function tick_query_filter( $args, $request ) {
+	public static function tick_query_filter( array $args, WP_REST_Request $request ): array {
 		// Extract arguments.
 		$ticker_slug = $request->get_param( 'ticker' );
 		$limit       = intval( $request->get_param( 'limit' ) );

includes/class-scliveticker.php

@@ -26,7 +26,7 @@ class SCLiveticker {
 	 *
 	 * @var string OPTIONS
 	 */
-	const VERSION = '1.2.3';
+	const VERSION = '1.3.0';
 
 	/**
 	 * Options tag.
@@ -62,7 +62,7 @@ class SCLiveticker {
 	 *
 	 * @return void
 	 */
-	public static function init() {
+	public static function init(): void {
 		// Skip on autosave.
 		if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
 			return;
@@ -81,7 +81,7 @@ class SCLiveticker {
 		}
 
 		// Load Textdomain.
-		load_plugin_textdomain( 'stklcode-liveticker', false );
+		load_plugin_textdomain( 'stklcode-liveticker' );
 
 		// Allow shortcodes in widgets.
 		add_filter( 'widget_text', 'do_shortcode' );
@@ -104,7 +104,7 @@ class SCLiveticker {
 			add_action( 'right_now_content_table_end', array( 'SCLiveticker\\Admin', 'dashboard_right_now' ) );
 
 			// Settings.
-			add_action( 'admin_init', array( 'SCLiveticker\\Admin', 'register_settings' ) );
+			add_action( 'admin_init', array( 'SCLiveticker\\Settings', 'register_settings' ) );
 			add_action( 'admin_menu', array( 'SCLiveticker\\Admin', 'register_settings_page' ) );
 		}
 	}
@@ -114,7 +114,7 @@ class SCLiveticker {
 	 *
 	 * @return void
 	 */
-	public static function register_types() {
+	public static function register_types(): void {
 		// Add new taxonomy, make it hierarchical (like categories).
 		$labels = array(
 			'name'              => _x( 'Ticker', 'taxonomy general name', 'stklcode-liveticker' ),
@@ -182,7 +182,7 @@ class SCLiveticker {
 	 *
 	 * @return string
 	 */
-	public static function shortcode_ticker_show( $atts ) {
+	public static function shortcode_ticker_show( array $atts ): string {
 		// Indicate presence of shortcode (to enqueue styles/scripts later).
 		self::$shortcode_present = true;
 
@@ -259,9 +259,9 @@ class SCLiveticker {
 	 * @return void
 	 * @since 1.1 Combined former methods "enqueue_styles" and "enqueue_scripts".
 	 */
-	public static function enqueue_resources() {
+	public static function enqueue_resources(): void {
 		// Only add if shortcode is present.
-		if ( self::$shortcode_present || self::$widget_present || self::block_present() ) {
+		if ( self::$shortcode_present || self::$widget_present || has_block( 'scliveticker/ticker' ) ) {
 			wp_enqueue_script(
 				'scliveticker-js',
 				SCLIVETICKER_BASE . 'scripts/liveticker.min.js',
@@ -289,8 +289,7 @@ class SCLiveticker {
 					'sclt-css',
 					SCLIVETICKER_BASE . 'styles/liveticker.min.css',
 					'',
-					self::VERSION,
-					'all'
+					self::VERSION
 				);
 			}
 		}
@@ -301,7 +300,7 @@ class SCLiveticker {
 	 *
 	 * @return void
 	 */
-	public static function ajax_update() {
+	public static function ajax_update(): void {
 		// Verify AJAX nonce.
 		check_ajax_referer( 'scliveticker_update-ticks' );
 
@@ -394,18 +393,19 @@ class SCLiveticker {
 	 *
 	 * @return void
 	 */
-	public static function mark_widget_present() {
+	public static function mark_widget_present(): void {
 		self::$widget_present = true;
 	}
 
 	/**
 	 * Update options.
 	 *
-	 * @param array $options Optional. New options to save.
-	 *
 	 * @return void
+	 *
+	 * @since 1.0.0
+	 * @since 1.3.0 removed unused parameter
 	 */
-	protected static function update_options( $options = null ) {
+	protected static function update_options(): void {
 		self::$options = wp_parse_args(
 			get_option( self::OPTION ),
 			self::default_options()
@@ -417,7 +417,7 @@ class SCLiveticker {
 	 *
 	 * @return array The options array.
 	 */
-	protected static function default_options() {
+	protected static function default_options(): array {
 		return array(
 			'enable_ajax'      => 1,
 			'poll_interval'    => 60,
@@ -439,7 +439,7 @@ class SCLiveticker {
 	 *
 	 * @return string HTML code of tick.
 	 */
-	private static function tick_html( $time, $title, $content, $id ) {
+	private static function tick_html( string $time, string $title, string $content, int $id ): string {
 		if ( self::$options['enable_shortcode'] ) {
 			$content = do_shortcode( $content );
 		}
@@ -460,7 +460,7 @@ class SCLiveticker {
 	 *
 	 * @return string HTML code of widget tick.
 	 */
-	public static function tick_html_widget( $time, $title, $highlight, $id = 0 ) {
+	public static function tick_html_widget( string $time, string $title, bool $highlight, int $id = 0 ): string {
 		$out = '<li';
 		if ( $highlight ) {
 			$out .= ' class="sclt-widget-new"';
@@ -473,15 +473,4 @@ class SCLiveticker {
 			. '<span class="sclt-widget-title">' . $title . '</span>'
 			. '</li>';
 	}
-
-	/**
-	 * Check if the Gutenberg block is present in current post.
-	 *
-	 * @return boolean True, if Gutenberg block is present.
-	 * @since 1.1
-	 */
-	private static function block_present() {
-		return function_exists( 'has_block' ) && // We are in WP 5.x environment.
-			has_block( 'scliveticker/ticker' ); // Specific block is present.
-	}
 }

includes/class-settings.php

@@ -0,0 +1,305 @@
+<?php
+/**
+ * Liveticker: Plugin settings class.
+ *
+ * This file contains the derived class for the plugin's settings.
+ *
+ * @package SCLiveticker
+ */
+
+namespace SCLiveticker;
+
+// Exit if accessed directly.
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
+}
+
+/**
+ * Liveticker admin configuration.
+ *
+ * @since 1.3.0 extracted from {@link Admin} class
+ */
+class Settings extends SCLiveticker {
+
+	/**
+	 * Register settings API
+	 *
+	 * @return void
+	 *
+	 * @since 1.0.0
+	 * @since 1.3.0 moved from Admin to Settings class
+	 */
+	public static function register_settings(): void {
+		register_setting(
+			'scliveticker_settings',
+			self::OPTION,
+			array( __CLASS__, 'validate_settings' )
+		);
+
+		// Form sections.
+		add_settings_section(
+			'scliveticker_settings_general',
+			__( 'General', 'stklcode-liveticker' ),
+			array( __CLASS__, 'settings_general_section' ),
+			'scliveticker-settings-page'
+		);
+
+		// Form fields.
+		add_settings_field(
+			'enable_ajax',
+			__( 'Use AJAX', 'stklcode-liveticker' ),
+			array( __CLASS__, 'settings_enable_ajax_field' ),
+			'scliveticker-settings-page',
+			'scliveticker_settings_general',
+			array( 'label_for' => esc_attr( self::OPTION ) . '-enable-ajax' )
+		);
+
+		add_settings_field(
+			'poll_interval',
+			__( 'AJAX poll interval', 'stklcode-liveticker' ),
+			array( __CLASS__, 'settings_poll_interval_field' ),
+			'scliveticker-settings-page',
+			'scliveticker_settings_general',
+			array( 'label_for' => esc_attr( self::OPTION ) . '-poll-interval' )
+		);
+
+		add_settings_field(
+			'enable_css',
+			__( 'Default CSS Styles', 'stklcode-liveticker' ),
+			array( __CLASS__, 'settings_enable_css_field' ),
+			'scliveticker-settings-page',
+			'scliveticker_settings_general',
+			array( 'label_for' => esc_attr( self::OPTION ) . '-enable-css' )
+		);
+
+		add_settings_field(
+			'show_feed',
+			__( 'Show RSS feed', 'stklcode-liveticker' ),
+			array( __CLASS__, 'settings_show_feed_field' ),
+			'scliveticker-settings-page',
+			'scliveticker_settings_general',
+			array( 'label_for' => esc_attr( self::OPTION ) . '-show-feed' )
+		);
+
+		add_settings_field(
+			'enable_shortcode',
+			__( 'Shortcode support', 'stklcode-liveticker' ),
+			array( __CLASS__, 'settings_enable_shortcode_field' ),
+			'scliveticker-settings-page',
+			'scliveticker_settings_general',
+			array( 'label_for' => esc_attr( self::OPTION ) . '-enable-shortcode' )
+		);
+
+		add_settings_field(
+			'embedded_script',
+			__( 'Embedded JavaScript', 'stklcode-liveticker' ),
+			array( __CLASS__, 'settings_embedded_script_field' ),
+			'scliveticker-settings-page',
+			'scliveticker_settings_general',
+			array( 'label_for' => esc_attr( self::OPTION ) . '-embedded-script' )
+		);
+	}
+
+	/**
+	 * Render the settings page.
+	 *
+	 * @return void
+	 *
+	 * @since 1.0.0
+	 * @since 1.3.0 moved from Admin to Settings class
+	 */
+	public static function render_settings_page(): void {
+		?>
+		<div class="wrap">
+			<div id="icon-options-general" class="icon32"><br></div>
+			<h2>Liveticker <?php esc_html_e( 'Settings', 'stklcode-liveticker' ); ?></h2>
+			<?php
+			if ( isset( $_GET['settings-updated'] ) ) {	// phpcs:ignore
+				echo '<div class="updated"><p>' . esc_html__( 'Settings updated successfully.', 'stklcode-liveticker' ) . '</p></div>';
+			}
+			?>
+			<form action="options.php" method="post">
+				<?php
+				settings_fields( 'scliveticker_settings' );
+				do_settings_sections( 'scliveticker-settings-page' );
+				submit_button();
+				?>
+			</form>
+		</div>
+		<?php
+	}
+
+
+	/**
+	 * Render general section.
+	 *
+	 * @return void
+	 *
+	 * @since 1.0.0
+	 * @since 1.3.0 moved from Admin to Settings class
+	 */
+	public static function settings_general_section(): void {
+	}
+
+	/**
+	 * Render enable AJAX field.
+	 *
+	 * @return void
+	 *
+	 * @since 1.0.0
+	 * @since 1.3.0 moved from Admin to Settings class
+	 */
+	public static function settings_enable_ajax_field(): void {
+		self::render_checkbox(
+			'enable-ajax',
+			'[enable_ajax]',
+			self::$options['enable_ajax'],
+			__( 'Disable this option to not use AJAX update. This means all liveticker widgets and shortcodes are only updated once on site load.', 'stklcode-liveticker' ),
+			__( 'Enable AJAX updates', 'stklcode-liveticker' )
+		);
+	}
+
+	/**
+	 * Render AJAX poll interval field.
+	 *
+	 * @return void
+	 *
+	 * @since 1.0.0
+	 * @since 1.3.0 moved from Admin to Settings class
+	 */
+	public static function settings_poll_interval_field(): void {
+		$poll_interval = self::$options['poll_interval'];
+
+		echo '<input id="' . esc_attr( self::OPTION ) . '-poll-interval" type="number" name="' . esc_attr( self::OPTION ) . '[poll_interval]" value="' . esc_attr( $poll_interval ) . '"> ';
+		esc_html_e( 'seconds', 'stklcode-liveticker' );
+		echo '<p class="description">' . esc_html__( 'Interval (in seconds) to update ticker if AJAX is enabled.', 'stklcode-liveticker' ) . '</p>';
+	}
+
+
+	/**
+	 * Render enable css field.
+	 *
+	 * @return void
+	 *
+	 * @since 1.0.0
+	 * @since 1.3.0 moved from Admin to Settings class
+	 */
+	public static function settings_enable_css_field(): void {
+		self::render_checkbox(
+			'enable-css',
+			'[enable_css]',
+			self::$options['enable_css'],
+			__( 'Disable this option to remove the default styling CSS file.', 'stklcode-liveticker' ),
+			__( 'Enable default stylesheet', 'stklcode-liveticker' )
+		);
+	}
+
+	/**
+	 * Render enable css field.
+	 *
+	 * @return void
+	 *
+	 * @since 1.0.0
+	 * @since 1.3.0 moved from Admin to Settings class
+	 */
+	public static function settings_show_feed_field(): void {
+		self::render_checkbox(
+			'show-feed',
+			'[show_feed]',
+			self::$options['show_feed'],
+			__( 'Can be overwritten in shortcode.', 'stklcode-liveticker' ),
+			__( 'Show RSS feed in shortcode', 'stklcode-liveticker' )
+		);
+	}
+
+	/**
+	 * Render enable shortcode field.
+	 *
+	 * @return void
+	 *
+	 * @since 1.2.0
+	 * @since 1.3.0 moved from Admin to Settings class
+	 */
+	public static function settings_enable_shortcode_field(): void {
+		self::render_checkbox(
+			'enable-shortcode',
+			'[enable_shortcode]',
+			self::$options['enable_shortcode'],
+			__( 'Enable shortcode processing in tick content.', 'stklcode-liveticker' ),
+			__( 'Allow shortcodes in tick content', 'stklcode-liveticker' )
+		);
+	}
+
+	/**
+	 * Render embedded script field.
+	 *
+	 * @return void
+	 *
+	 * @since 1.2.0
+	 * @since 1.3.0 moved from Admin to Settings class
+	 */
+	public static function settings_embedded_script_field(): void {
+		self::render_checkbox(
+			'embedded-script',
+			'[embedded_script]',
+			self::$options['embedded_script'],
+			__( 'Allow embedded script evaluation in tick contents. This might be useful for embedded content, e.g. social media integrations.', 'stklcode-liveticker' ) .
+			' ' .
+			__( 'Be aware that this feature potentially enables cross-site scripting, so make sure content is created by trusted people and only enable this if required.', 'stklcode-liveticker' ),
+			__( 'Allow JavaScript in tick content', 'stklcode-liveticker' )
+		);
+	}
+
+	/**
+	 * Validate settings callback.
+	 *
+	 * @param array $input Input arguments.
+	 *
+	 * @return array Parsed arguments.
+	 *
+	 * @since 1.0.0
+	 * @since 1.3.0 moved from Admin to Settings class
+	 */
+	public static function validate_settings( array $input ): array {
+		$defaults = self::default_options();
+
+		$result['enable_ajax']      = isset( $input['enable_ajax'] ) ? intval( $input['enable_ajax'] ) : 0;
+		$result['poll_interval']    = isset( $input['poll_interval'] ) ? intval( $input['poll_interval'] ) : $defaults['poll_interval'];
+		$result['enable_css']       = isset( $input['enable_css'] ) ? intval( $input['enable_css'] ) : 0;
+		$result['show_feed']        = isset( $input['show_feed'] ) ? intval( $input['show_feed'] ) : 0;
+		$result['enable_shortcode'] = isset( $input['enable_shortcode'] ) ? intval( $input['enable_shortcode'] ) : 0;
+		$result['embedded_script']  = isset( $input['embedded_script'] ) ? intval( $input['embedded_script'] ) : 0;
+
+		return $result;
+	}
+
+	/**
+	 * Render a checkbox field.
+	 *
+	 * @param string $id                 Field ID.
+	 * @param string $name               Option name.
+	 * @param mixed  $value              Current value.
+	 * @param string $description        Description text.
+	 * @param string $screen_reader_text Screen reader text.
+	 *
+	 * @return void
+	 */
+	private static function render_checkbox(
+		string $id,
+		string $name,
+		$value,
+		string $description,
+		string $screen_reader_text
+	) {
+		?>
+		<fieldset>
+			<legend class="screen-reader-text"><?php echo esc_html( $screen_reader_text ); ?></legend>
+			<label for="<?php echo esc_attr( self::OPTION . '-' . $id ); ?>">
+				<input id="<?php echo esc_attr( self::OPTION . '-' . $id ); ?>" name="<?php echo esc_attr( self::OPTION . $name ); ?>" type="checkbox" value="1" <?php checked( $value, 1 ); ?>>
+				<?php esc_html_e( 'Enable', 'stklcode-liveticker' ); ?>
+			</label>
+			<p class="description"><?php echo esc_html( $description ); ?></p>
+		</fieldset>
+		<?php
+	}
+}

includes/class-system.php

@@ -28,7 +28,7 @@ class System extends SCLiveticker {
 	 *
 	 * @return void
 	 */
-	public static function activate() {
+	public static function activate(): void {
 		// Load current options.
 		self::update_options();
 
@@ -49,7 +49,7 @@ class System extends SCLiveticker {
 	 *
 	 * @return void
 	 */
-	public static function uninstall() {
+	public static function uninstall(): void {
 		// Delete all ticks.
 		$ticks = new WP_Query( array( 'post_type' => 'scliveticker_tick' ) );
 		foreach ( $ticks->get_posts() as $tick ) {

includes/class-widget.php

@@ -31,7 +31,7 @@ class Widget extends WP_Widget {
 	/**
 	 * Register the widget.
 	 */
-	public static function register() {
+	public static function register(): void {
 		register_widget( __CLASS__ );
 	}
 
@@ -49,10 +49,10 @@ class Widget extends WP_Widget {
 		SCLiveticker::mark_widget_present();
 
 		$instance       = self::fill_options_with_defaults( $instance );
-		$before_widget  = isset( $args['before_widget'] ) ? $args['before_widget'] : '';
-		$after_widget   = isset( $args['after_widget'] ) ? $args['after_widget'] : '';
-		$before_title   = isset( $args['before_title'] ) ? $args['before_title'] : '';
-		$after_title    = isset( $args['after_title'] ) ? $args['after_title'] : '';
+		$before_widget  = $args['before_widget'] ?? '';
+		$after_widget   = $args['after_widget'] ?? '';
+		$before_title   = $args['before_title'] ?? '';
+		$after_title    = $args['after_title'] ?? '';
 		$title          = apply_filters( 'scliveticker_catlit', $instance['title'] );
 		$category       = apply_filters( 'scliveticker_catlit', $instance['category'] );
 		$count          = apply_filters( 'scliveticker_catlit', $instance['count'] );
@@ -164,7 +164,7 @@ class Widget extends WP_Widget {
 	 *
 	 * @return array Complete instance configuration.
 	 */
-	private static function fill_options_with_defaults( $instance ) {
+	private static function fill_options_with_defaults( array $instance ): array {
 		$default = array(
 			'title'          => '',
 			'category'       => '',

package.json

@@ -1,6 +1,6 @@
 {
   "name": "stklcode-liveticker",
-  "version": "1.2.3",
+  "version": "1.3.0",
   "description": "A simple Liveticker for Wordpress.",
   "author": "Stefan Kalscheuer",
   "license": "GPL-2.0+",

phpcs.xml

@@ -12,7 +12,7 @@
 	<file>views</file>
 
 	<!-- Compliance with WordPress Coding Standard -->
-	<config name="minimum_supported_wp_version" value="4.7"/>
+	<config name="minimum_supported_wp_version" value="5.0"/>
 	<rule ref="WordPress">
 		<exclude name="WordPress.DB.SlowDBQuery.slow_db_query_tax_query"/>
 	</rule>
@@ -25,6 +25,6 @@
 	</rule>
 
 	<!-- PHP compatibility level -->
-	<config name="testVersion" value="5.6-"/>
+	<config name="testVersion" value="7.2-"/>
 	<rule ref="PHPCompatibilityWP"/>
 </ruleset>

scripts/block.js

@@ -86,6 +86,10 @@
 				type: 'boolean',
 				default: false,
 			},
+			sort: {
+				type: 'string',
+				// implicit default: 'desc', left empty here for backwards compatibility of the block
+			},
 		},
 		edit: withSelect( function( select ) {
 			return {
@@ -166,6 +170,26 @@
 							},
 						}
 					),
+					el(
+						wp.components.SelectControl,
+						{
+							label: __( 'Output direction', 'stklcode-liveticker' ),
+							value: props.attributes.sort,
+							options: [
+								{
+									value: 'desc',
+									label: __( 'newest first', 'stklcode-liveticker' ),
+								},
+								{
+									value: 'asc',
+									label: __( 'oldest first', 'stklcode-liveticker' ),
+								},
+							],
+							onChange: function( val ) {
+								props.setAttributes( { sort: val } );
+							},
+						}
+					),
 				];
 			}
 
@@ -183,6 +207,7 @@
 					'data-sclt-ticker': props.attributes.ticker,
 					'data-sclt-limit': props.attributes.unlimited ? 0 : props.attributes.limit,
 					'data-sclt-last': 0,
+					'data-sclt-sort': props.attributes.sort,
 				}
 			);
 		},

scripts/liveticker.js

@@ -1,5 +1,5 @@
 /**
- * Contructor of the scLiveticker object.
+ * Constructor of the scLiveticker object.
  *
  * @class
  */
@@ -73,6 +73,7 @@
 	var parseElement = function( elem, widget, n ) {
 		var list = elem.querySelector( 'ul' );
 		var last = elem.getAttribute( 'data-sclt-last' );
+		var sort = elem.getAttribute( 'data-sclt-sort' );
 
 		elem.id = 'sclt-' + n;
 
@@ -92,11 +93,16 @@
 			);
 		}
 
+		if ( 'asc' !== sort && 'desc' !== 'sort' ) {
+			sort = 'desc';
+		}
+
 		return {
 			id: n,
 			ticker: elem.getAttribute( 'data-sclt-ticker' ),
 			limit: elem.getAttribute( 'data-sclt-limit' ),
 			lastPoll: last,
+			sort: sort,
 			ticks: list,
 			isWidget: widget,
 			updating: false,
@@ -210,8 +216,11 @@
 		if ( old ) {
 			// Replace entry, if it already exists (i.e. has been updated).
 			t.ticks.replaceChild( li, old );
+		} else if ( 'asc' === t.sort ) {
+			// Append new tick as last element to container.
+			t.ticks.appendChild( li );
 		} else {
-			// Prepend new tick to container.
+			// Prepend new tick as fist element to container.
 			t.ticks.insertBefore( li, t.ticks.firstChild );
 		}
 
@@ -220,8 +229,13 @@
 		t.ticks.parentNode.setAttribute( 'data-sclt-last', u.date_gmt );
 
 		// Remove tail, if limit is set.
-		if ( 0 < t.limit ) {
-			[].slice.call( t.ticks.getElementsByTagName( 'li' ), t.limit ).forEach(
+		if ( 0 < t.limit && t.limit < t.ticks.children.length ) {
+			if ( 'asc' === t.sort ) {
+				old = [].slice.call( t.ticks.children, 0, -t.limit );
+			} else {
+				old = [].slice.call( t.ticks.children, t.limit );
+			}
+			old.forEach(
 				function( l ) {
 					l.remove();
 				}

stklcode-liveticker.php

@@ -9,7 +9,7 @@
  * @wordpress-plugin
  * Plugin Name: Liveticker (by stklcode)
  * Description: A simple Liveticker for WordPress.
- * Version:     1.2.3
+ * Version:     1.3.0
  * Author:      Stefan Kalscheuer
  * Author URI:  https://www.stklcode.de
  * Text Domain: stklcode-liveticker
@@ -26,7 +26,7 @@
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with Liveticker (by stklcode). If not, see http://www.gnu.org/licenses/gpl-2.0.html.
+ * along with Liveticker (by stklcode). If not, see https://www.gnu.org/licenses/gpl-2.0.html.
  */
 
 // Exit if accessed directly.
@@ -68,11 +68,12 @@ spl_autoload_register( 'scliveticker_autoload' );
  *
  * @return void
  */
-function scliveticker_autoload( $class_name ) {
+function scliveticker_autoload( string $class_name ): void {
 	$plugin_classes = array(
 		'SCLiveticker\\SCLiveticker',
 		'SCLiveticker\\Admin',
 		'SCLiveticker\\Api',
+		'SCLiveticker\\Settings',
 		'SCLiveticker\\System',
 		'SCLiveticker\\Widget',
 	);

tests/bootstrap.php

@@ -5,34 +5,25 @@
  * @package SCLiveticker
  */
 
-$_tests_dir = getenv( 'WP_TESTS_DIR' );
+use Yoast\WPTestUtils\WPIntegration;
 
-if ( ! $_tests_dir ) {
-	$_tests_dir = rtrim( sys_get_temp_dir(), '/\\' ) . '/wordpress-tests-lib';
-}
+require_once dirname( __DIR__ ) . '/vendor/yoast/wp-test-utils/src/WPIntegration/bootstrap-functions.php';
 
-// Forward custom PHPUnit Polyfills configuration to PHPUnit bootstrap file.
-$_phpunit_polyfills_path = getenv( 'WP_TESTS_PHPUNIT_POLYFILLS_PATH' );
-if ( false !== $_phpunit_polyfills_path ) {
-	define( 'WP_TESTS_PHPUNIT_POLYFILLS_PATH', $_phpunit_polyfills_path );
-}
+$_tests_dir = WPIntegration\get_path_to_wp_test_dir();
 
-if ( ! file_exists( "{$_tests_dir}/includes/functions.php" ) ) {
-	echo "Could not find {$_tests_dir}/includes/functions.php, have you run bin/install-wp-tests.sh ?" . PHP_EOL; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
-	exit( 1 );
-}
+// Get access to tests_add_filter() function.
+require_once $_tests_dir . 'includes/functions.php';
 
-// Give access to tests_add_filter() function.
-require_once "{$_tests_dir}/includes/functions.php";
+// Add plugin to active mu-plugins to make sure it gets loaded.
+tests_add_filter(
+	'muplugins_loaded',
+	function() {
+		require dirname( __DIR__ ) . '/stklcode-liveticker.php';
+	}
+);
 
-/**
- * Manually load the plugin being tested.
+/*
+ * Bootstrap WordPress. This will also load the Composer autoload file, the PHPUnit Polyfills
+ * and the custom autoloader for the TestCase and the mock object classes.
  */
-function _manually_load_plugin() {
-	require dirname( dirname( __FILE__ ) ) . '/stklcode-liveticker.php';
-}
-
-tests_add_filter( 'muplugins_loaded', '_manually_load_plugin' );
-
-// Start up the WP testing environment.
-require "{$_tests_dir}/includes/bootstrap.php";
+WPIntegration\bootstrap_it();

tests/test-api.php

@@ -13,18 +13,18 @@ use DateInterval;
 use DateTime;
 use WP_REST_Request;
 use WP_REST_Server;
-use WP_UnitTestCase;
+use Yoast\WPTestUtils\WPIntegration\TestCase;
 
 /**
  * Class Test_API.
  */
-class Test_API extends WP_UnitTestCase {
+class Test_API extends TestCase {
 	/**
 	 * Initialize WP REST API for tests.
 	 *
 	 * @return void
 	 */
-	public function set_up() {
+	public function set_up(): void {
 		parent::set_up();
 		global $wp_rest_server;
 		$wp_rest_server = new WP_REST_Server();
@@ -36,7 +36,7 @@ class Test_API extends WP_UnitTestCase {
 	 *
 	 * @return void
 	 */
-	public function test_register_route() {
+	public function test_register_route(): void {
 		global $wp_rest_server;
 
 		$routes = $wp_rest_server->get_routes();
@@ -52,7 +52,7 @@ class Test_API extends WP_UnitTestCase {
 	 *
 	 * @return void
 	 */
-	public function test_get_ticks() {
+	public function test_get_ticks(): void {
 		global $wp_rest_server;
 
 		$request  = new WP_REST_Request( 'GET', '/wp/v2/scliveticker_tick' );

views/settings-page.php

@@ -1,29 +0,0 @@
-<?php
-/**
- * Liveticker: Settings page.
- *
- * This file contains the view model for the Plugin settings oage.
- *
- * @package Liveticker
- */
-
-if ( ! defined( 'ABSPATH' ) ) {
-	exit;
-}
-?>
-<div class="wrap">
-	<div id="icon-options-general" class="icon32"><br></div>
-	<h2>Liveticker <?php esc_html_e( 'Settings', 'stklcode-liveticker' ); ?></h2>
-	<?php
-	if ( isset( $_GET['settings-updated'] ) ) {	// phpcs:ignore
-		echo '<div class="updated"><p>' . esc_html__( 'Settings updated successfully.', 'stklcode-liveticker' ) . '</p></div>';
-	}
-	?>
-	<form action="options.php" method="post">
-		<?php
-		settings_fields( 'scliveticker_settings' );
-		do_settings_sections( 'scliveticker-settings-page' );
-		submit_button();
-		?>
-	</form>
-</div>