Fix PHP version 7.4 requirement

.github/workflows/integrate.yml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       matrix:
         wordpress: [ '5.7', '6.3' ]
-        php: [ '7.1', '7.4', '8.0', '8.2' ]
+        php: [ '7.4', '8.0', '8.2' ]
         allowed_failure: [ false ]
         include:
           # Check upcoming WP.
@@ -67,10 +67,6 @@ jobs:
       - name: Start MySQL service
         run: sudo systemctl start mysql.service
 
-      - name: Setting mysql_native_password for PHP <= 7.3
-        if: ${{ matrix.php <= 7.3 }}
-        run: mysql -u root -proot -e "ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'root'";
-
       - name: Install WordPress environment
         run: composer prepare ${{ matrix.wordpress }}
 

README.md

@@ -3,7 +3,7 @@
 Stable tag: 3.6.0  
 Requires at least: 4.1  
 Tested up to: 6.5  
-Requires PHP: 5.6  
+Requires PHP: 7.4  
 License: GPLv2 or later  
 License URI: https://www.gnu.org/licenses/gpl-2.0.html  
 Tags: authors, users, multiple authors, co-authors, multi-author, publishing  

composer.json

@@ -23,7 +23,7 @@
 	},
 	"require": {
 		"composer/installers": "~1.0",
-		"php": ">=5.6"
+		"php": ">=7.4"
 	},
 	"require-dev": {
 		"automattic/vipwpcs": "^2.2",

php/api/endpoints/class-coauthors-controller.php

@@ -164,7 +164,7 @@ public function get_item( $request ) {
 	 * @param WP_User|stdClass $coauthor
 	 */
 	public static function is_coauthor( $coauthor ): bool {
-		return is_a( $coauthor, 'WP_User' ) || self::is_guest_author( $coauthor );
+		return $coauthor instanceof \WP_User || self::is_guest_author( $coauthor );
 	}
 
 	/**
@@ -320,10 +320,10 @@ public function get_item_schema(): array {
 	 * @return WP_REST_Response|WP_Error
 	 */
 	public function prepare_item_for_response( $author, $request ) {
-	
+
 		$fields = $this->get_fields_for_response( $request );
 
-		if ( is_a( $author, 'WP_User' ) ) {
+		if ( $author instanceof \WP_User ) {
 			$author              = $author->data;
 			$author->description = get_user_meta( $author->ID, 'description', true );
 		}

php/blocks/block-coauthor-avatar/class-block-coauthor-avatar.php

@@ -6,7 +6,7 @@
  * @since 3.6.0
  */
 
-namespace CoAuthors\Blocks; 
+namespace CoAuthors\Blocks;
 
 use WP_Block;
 /**
@@ -52,12 +52,12 @@ public static function render_block( array $attributes, string $content, WP_Bloc
 		if ( empty( $avatar_urls ) ) {
 			return '';
 		}
-		
+
 		$display_name = esc_html( $author['display_name'] ?? '' );
 		$link         = esc_url( $author['link'] ?? '' );
 		$is_link      = '' !== $link && $attributes['isLink'] ?? false;
 		$rel          = $attributes['rel'] ?? '';
-		$size         = $attributes['size'] ?? array_keys( $avatar_urls )[0];
+		$size         = $attributes['size'] ?? array_key_first( $avatar_urls );
 		$align        = esc_attr( $attributes['align'] ?? '' );
 
 		$srcset = array_map(

php/blocks/class-blocks.php

@@ -1,7 +1,7 @@
 <?php
 /**
  * Blocks
- * 
+ *
  * @package Automattic\CoAuthorsPlus
  * @since 3.6.0
  */
@@ -13,7 +13,7 @@
 
 /**
  * Blocks
- * 
+ *
  * @package CoAuthors
  */
 class Blocks {
@@ -101,14 +101,14 @@ public static function provide_author_archive_context( array $context, array $pa
 
 	/**
 	 * Block Uses Author Context
-	 * 
+	 *
 	 * @param string $block_name Block name to check for use of author context.
 	 * @return bool Whether the `uses_context` property of the registered block type includes `'co-authors-plus/author'`
 	 */
 	public static function block_uses_author_context( string $block_name ): bool {
 		$block = WP_Block_Type_Registry::get_instance()->get_registered( $block_name );
 
-		if ( ! is_a( $block, 'WP_Block_Type' ) ) {
+		if ( ! $block instanceof \WP_Block_Type ) {
 			return false;
 		}
 
@@ -165,7 +165,7 @@ public static function enqueue_store(): void {
 	 * @return null|array Either an array of data about an author, or null.
 	 */
 	public static function get_author_with_api_schema( $author ): ?array {
-		if ( ! ( is_a( $author, 'stdClass' ) || is_a( $author, 'WP_User' ) ) ) {
+		if ( ! ( $author instanceof \stdClass || $author instanceof \WP_User ) ) {
 			return null;
 		}
 
@@ -199,10 +199,10 @@ public static function get_author_with_api_schema( $author ): ?array {
 
 	/**
 	 * Get CoAuthors with API Schema
-	 * 
+	 *
 	 * Use the global WP_REST_Server to fetch co-authors for a post,
 	 * so that it matches what a user would see in the editor.
-	 * 
+	 *
 	 * @since 3.6.0
 	 * @param int   $post_id Post ID for querying co-authors.
 	 * @param array $data Co-authors as returned by the REST API.

php/class-coauthors-endpoint.php

@@ -51,7 +51,7 @@ public function __construct( $coauthors_instance ) {
 	/**
 	 * Register endpoints.
 	 */
-	public function add_endpoints() {
+	public function add_endpoints(): void {
 		register_rest_route(
 			static::NS,
 			static::SEARCH_ROUTE,
@@ -126,11 +126,11 @@ public function add_endpoints() {
 	 * @param WP_REST_Request   $request Request object.
 	 * @return WP_REST_Response
 	 */
-	public function get_coauthors_search_results( $request ) {
+	public function get_coauthors_search_results( $request ): WP_REST_Response {
 		$response = array();
 
 		$search  = strtolower( $request->get_param( 'q' ) );
-		$ignorable = null === $request->get_param( 'existing_authors' ) ? '' : $request->get_param( 'existing_authors' );
+		$ignorable = $request->get_param( 'existing_authors' ) ?? '';
 		$ignore  = explode( ',', $ignorable );
 		$authors = $this->coauthors->search_authors( $search, $ignore );
 
@@ -149,7 +149,7 @@ public function get_coauthors_search_results( $request ) {
 	 * @param WP_REST_Request   $request Request object.
 	 * @return WP_REST_Response
 	 */
-	public function get_coauthors( $request ) {
+	public function get_coauthors( $request ): WP_REST_Response {
 		$response = array();
 
 		$this->_build_authors_response( $response, $request );
@@ -163,7 +163,7 @@ public function get_coauthors( $request ) {
 	 * @param WP_REST_Request   $request Request object.
 	 * @return WP_REST_Response
 	 */
-	public function update_coauthors( $request ) {
+	public function update_coauthors( $request ): WP_REST_Response {
 
 		$response = array();
 
@@ -185,7 +185,7 @@ public function update_coauthors( $request ) {
 	 * @param mixed $param Value to validate.
 	 * @return bool
 	 */
-	public function validate_numeric( $param ) {
+	public function validate_numeric( $param ): bool {
 		return is_numeric( $param );
 	}
 
@@ -194,7 +194,7 @@ public function validate_numeric( $param ) {
 	 *
 	 * @return bool
 	 */
-	public function can_edit_coauthors() {
+	public function can_edit_coauthors(): bool {
 		return $this->coauthors->current_user_can_set_authors();
 	}
 
@@ -205,7 +205,7 @@ public function can_edit_coauthors() {
 	 * @param object  $author The result from co-authors methods.
 	 * @return array
 	 */
-	public function _format_author_data( $author ) {
+	public function _format_author_data( $author ): array {
 
 		return array(
 			'id'           => esc_html( $author->ID ),
@@ -223,7 +223,7 @@ public function _format_author_data( $author ) {
 	 * @param array The response array.
 	 * @param int   The post ID from the request.
 	 */
-	public function _build_authors_response( &$response, $request ) {
+	public function _build_authors_response( &$response, $request ): void {
 		$authors = get_coauthors( $request->get_param( 'post_id' ) );
 
 		if ( ! empty( $authors ) ) {
@@ -237,7 +237,7 @@ public function _build_authors_response( &$response, $request ) {
 	 * Add filters to REST endpoints for each post that
 	 * supports co-authors.
 	 */
-	public function modify_responses() {
+	public function modify_responses(): void {
 
 		$post_types = $this->coauthors->supported_post_types();
 
@@ -266,7 +266,7 @@ public function modify_responses() {
 	 * @param WP_REST_Request   $request  Request object.
 	 * @return WP_REST_Response
 	 */
-	public function remove_author_link( $response, $post, $request ) {
+	public function remove_author_link( $response, $post, $request ): WP_REST_Response {
 		if (
 			! isset( $request['context'] )
 			|| 'edit' !== $request['context']