Fix: Backward Compatibility

inc/classes/class-notice.php

@@ -61,4 +61,4 @@ public function display_notice() {
 		<?php
 
 	}
-}
+}

inc/classes/class-plugin.php

@@ -28,4 +28,4 @@ protected function __construct() {
 
 	}
 
-}
+}

inc/classes/class-search-engine.php

@@ -28,14 +28,14 @@ class Search_Engine {
 	 *
 	 * @var string
 	 */
-	private string $api_key = '';
+	private $api_key = '';
 
 	/**
 	 * Custom Search Engine ID.
 	 *
 	 * @var string
 	 */
-	private string $cse_id = '';
+	private $cse_id = '';
 
 	/**
 	 * Construct method.
@@ -51,7 +51,7 @@ protected function __construct() {
 	 *
 	 * @return void
 	 */
-	protected function init(): void {
+	protected function init() {
 
 		$this->api_key = get_option( 'gcs_api_key' );
 		$this->cse_id  = get_option( 'gcs_cse_id' );
@@ -67,7 +67,7 @@ protected function init(): void {
 	 *
 	 * @return array|\WP_Error Posts or false if empty or error.
 	 */
-	public function get_search_results( string $search_query, int $page = 1, int $posts_per_page = 10 ): \WP_Error|array {
+	public function get_search_results( $search_query, $page = 1, $posts_per_page = 10 ) {
 
 		$item_details  = array();
 		$total_results = 0;
@@ -161,7 +161,7 @@ public function get_search_results( string $search_query, int $page = 1, int $po
 	 *
 	 * @return float|int
 	 */
-	public function get_start_index( int $page, int $posts_per_page ): float|int {
+	public function get_start_index( $page, $posts_per_page ) {
 
 		return ( $page * $posts_per_page ) - ( $posts_per_page - 1 );
 

inc/classes/class-search.php

@@ -30,7 +30,7 @@ protected function __construct() {
 	 *
 	 * @return void
 	 */
-	protected function setup_hooks(): void {
+	protected function setup_hooks() {
 
 		/**
 		 * Filters.
@@ -48,7 +48,7 @@ protected function setup_hooks(): void {
 	 *
 	 * @return array|null Modified posts.
 	 */
-	public function filter_search_query( array|null $posts, \WP_Query $query ): array|null {
+	public function filter_search_query( $posts, $query ) {
 
 		if ( ! $query->is_search || is_admin() ) {
 			return $posts;
@@ -97,7 +97,7 @@ public function filter_search_query( array|null $posts, \WP_Query $query ): arra
 	 *
 	 * @return string
 	 */
-	public function get_transient_key( string $search_query, int $page, int $posts_per_page ): string {
+	public function get_transient_key( $search_query, $page, $posts_per_page ) {
 
 		return 'gcs_results_' . sanitize_title( $search_query ) . '_' . $page . '_' . $posts_per_page;
 
@@ -110,7 +110,7 @@ public function get_transient_key( string $search_query, int $page, int $posts_p
 	 *
 	 * @return array
 	 */
-	public function get_posts( array $items ): array {
+	public function get_posts( $items ) {
 
 		$posts = array();
 
@@ -131,7 +131,7 @@ public function get_posts( array $items ): array {
 	 *
 	 * @return \WP_Post
 	 */
-	public function get_post( array $item ): \WP_Post {
+	public function get_post( $item ) {
 
 		$post_id                = - wp_rand( 1, 99999 ); // Negative ID, to avoid clash with a valid post.
 		$post                   = new \stdClass();
@@ -161,7 +161,7 @@ public function get_post( array $item ): \WP_Post {
 	 *
 	 * @return string
 	 */
-	public function get_post_name( string $url ): string {
+	public function get_post_name( $url ) {
 
 		$url_parse = wp_parse_url( $url );
 
@@ -177,7 +177,7 @@ public function get_post_name( string $url ): string {
 	 *
 	 * @return string Updated permalink.
 	 */
-	public function update_permalink( string $permalink, int $post_id ): string {
+	public function update_permalink( $permalink, $post_id ) {
 
 		$post = get_post( $post_id );
 

inc/classes/class-settings.php

@@ -29,7 +29,7 @@ protected function __construct() {
 	 *
 	 * @return void
 	 */
-	protected function setup_hooks(): void {
+	protected function setup_hooks() {
 
 		add_action( 'admin_init', array( $this, 'register_settings' ) );
 
@@ -40,7 +40,7 @@ protected function setup_hooks(): void {
 	 *
 	 * @return void
 	 */
-	public function register_settings(): void {
+	public function register_settings() {
 
 		$args = array(
 			'type'              => 'string',
@@ -82,15 +82,15 @@ public function register_settings(): void {
 	 *
 	 * @return void
 	 */
-	public function cse_settings_section_cb(): void {
+	public function cse_settings_section_cb() {
 	}
 
 	/**
 	 * API Key field markup.
 	 *
 	 * @return void
 	 */
-	public function cse_api_key_field_cb(): void {
+	public function cse_api_key_field_cb() {
 		// Get the value of the setting we've registered with register_setting().
 		$setting = get_option( 'gcs_api_key' );
 		// Output the field.
@@ -104,7 +104,7 @@ public function cse_api_key_field_cb(): void {
 	 *
 	 * @return void
 	 */
-	public function cse_id_field_cb(): void {
+	public function cse_id_field_cb() {
 		// Get the value of the setting we've registered with register_setting().
 		$setting = get_option( 'gcs_cse_id' );
 		// Output the field.

inc/helpers/autoloader.php

@@ -14,7 +14,7 @@
  *
  * @return void
  */
-function autoloader( string $resource = '' ): void {
+function autoloader( $resource = '' ) {
 
 	$resource_path  = false;
 	$namespace_root = 'RT\Search_With_Google\\';

search-with-google.php

@@ -27,7 +27,7 @@
  *
  * @return void
  */
-function search_with_google_plugin_loader(): void {
+function search_with_google_plugin_loader() {
 	\RT\Search_With_Google\Inc\Plugin::get_instance();
 }