Fix PHP 8.1 compatability (#1422)

.github/workflows/ci.yml

@@ -0,0 +1,43 @@
+name: Lint and Test
+
+on: push
+
+jobs:
+
+  lint:
+    name: Lint and Test
+    runs-on: ubuntu-22.04
+    steps:
+
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Setup Node
+        uses: actions/setup-node@v3
+        with:
+          node-version-file: '.nvmrc'
+          cache: 'npm'
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: '8.1'
+          tools: composer:v2
+
+      - name: Install NPM dependencies
+        run: npm install
+
+      - name: Install Composer dependencies
+        run: composer install
+
+      - name: Lint
+        run: npm run lint
+
+      - name: Pull Docker Images
+        run: docker-compose pull wordpress
+
+      - name: Test PHP
+        run: npm run phpunit
+
+      - name: Build
+        run: npm run build

.travis.yml

@@ -79,6 +79,7 @@ before_install:
 
 install:
   - npm install
+  - composer install
 
 script:
   - npm run lint

alerts/class-alert-type-slack.php

@@ -142,11 +142,11 @@ public function alert( $record_id, $recordarr, $alert ) {
 			'author_icon' => get_avatar_url( $user_id, 16 ),
 			'author_link' => admin_url( "admin.php?page=wp_stream&user_id=$user_id" ),
 			'author_name' => trim( "$user->first_name $user->last_name" ),
-			'fallback'    => html_entity_decode( $recordarr['summary'] ),
+			'fallback'    => html_entity_decode( $recordarr['summary'], ENT_COMPAT ),
 			'fields'      => $fields,
 			'footer'      => get_bloginfo( 'name' ),
 			'footer_icon' => get_site_icon_url( 16, $logo[0], $recordarr['blog_id'] ),
-			'title'       => html_entity_decode( $recordarr['summary'] ),
+			'title'       => html_entity_decode( $recordarr['summary'], ENT_COMPAT ),
 			'ts'          => strtotime( $recordarr['created'] ),
 		);
 		if ( array_key_exists( 'object_id', $recordarr ) ) {

classes/class-author.php

@@ -180,7 +180,7 @@ public function get_avatar_src( $size = 80 ) {
 		}
 
 		if ( 1 === preg_match( '/src=([\'"])(.*?)\1/', $img, $matches ) ) {
-			$src = html_entity_decode( $matches[2] );
+			$src = html_entity_decode( $matches[2], ENT_COMPAT );
 		} else {
 			return false;
 		}

classes/class-filter-input.php

@@ -18,25 +18,25 @@ class Filter_Input {
 	 * @var array
 	 */
 	public static $filter_callbacks = array(
-		FILTER_DEFAULT                => null,
+		FILTER_DEFAULT                     => null,
 		// Validate.
-		FILTER_VALIDATE_BOOLEAN       => 'is_bool',
-		FILTER_VALIDATE_EMAIL         => 'is_email',
-		FILTER_VALIDATE_FLOAT         => 'is_float',
-		FILTER_VALIDATE_INT           => 'is_int',
-		FILTER_VALIDATE_IP            => array( __CLASS__, 'is_ip_address' ),
-		FILTER_VALIDATE_REGEXP        => array( __CLASS__, 'is_regex' ),
-		FILTER_VALIDATE_URL           => 'wp_http_validate_url',
+		FILTER_VALIDATE_BOOLEAN            => 'is_bool',
+		FILTER_VALIDATE_EMAIL              => 'is_email',
+		FILTER_VALIDATE_FLOAT              => 'is_float',
+		FILTER_VALIDATE_INT                => 'is_int',
+		FILTER_VALIDATE_IP                 => array( __CLASS__, 'is_ip_address' ),
+		FILTER_VALIDATE_REGEXP             => array( __CLASS__, 'is_regex' ),
+		FILTER_VALIDATE_URL                => 'wp_http_validate_url',
 		// Sanitize.
-		FILTER_SANITIZE_EMAIL         => 'sanitize_email',
-		FILTER_SANITIZE_ENCODED       => 'esc_url_raw',
-		FILTER_SANITIZE_NUMBER_FLOAT  => 'floatval',
-		FILTER_SANITIZE_NUMBER_INT    => 'intval',
-		FILTER_SANITIZE_SPECIAL_CHARS => 'htmlspecialchars',
-		FILTER_SANITIZE_STRING        => 'sanitize_text_field',
-		FILTER_SANITIZE_URL           => 'esc_url_raw',
+		FILTER_SANITIZE_EMAIL              => 'sanitize_email',
+		FILTER_SANITIZE_ENCODED            => 'esc_url_raw',
+		FILTER_SANITIZE_NUMBER_FLOAT       => 'floatval',
+		FILTER_SANITIZE_NUMBER_INT         => 'intval',
+		FILTER_SANITIZE_SPECIAL_CHARS      => 'htmlspecialchars',
+		FILTER_SANITIZE_FULL_SPECIAL_CHARS => 'sanitize_text_field',
+		FILTER_SANITIZE_URL                => 'esc_url_raw',
 		// Other.
-		FILTER_UNSAFE_RAW             => null,
+		FILTER_UNSAFE_RAW                  => null,
 	);
 
 	/**

classes/class-live-update.php

@@ -56,9 +56,9 @@ public function enable_live_update() {
 		check_ajax_referer( $this->user_meta_key . '_nonce', 'nonce' );
 
 		$input = array(
-			'checked'   => FILTER_SANITIZE_STRING,
-			'user'      => FILTER_SANITIZE_STRING,
-			'heartbeat' => FILTER_SANITIZE_STRING,
+			'checked'   => FILTER_SANITIZE_FULL_SPECIAL_CHARS,
+			'user'      => FILTER_SANITIZE_FULL_SPECIAL_CHARS,
+			'heartbeat' => FILTER_SANITIZE_FULL_SPECIAL_CHARS,
 		);
 
 		$input = filter_input_array( INPUT_POST, $input );

composer.json

@@ -15,14 +15,16 @@
   },
   "require-dev": {
     "automattic/vipwpcs": "^2.3",
+    "dealerdirect/phpcodesniffer-composer-installer": "^0.7.2",
     "humanmade/mercator": "^1.0",
-    "johnpbloch/wordpress": "^6.0",
+    "johnpbloch/wordpress": "^6.2",
     "php-coveralls/php-coveralls": "^2.5",
-    "phpcompatibility/php-compatibility": "^9.3",
+    "phpcompatibility/php-compatibility": "dev-develop as 9.99.99",
+    "phpcompatibility/phpcompatibility-wp": "^2.1",
     "phpunit/phpunit": "^5.7",
     "wp-cli/wp-cli-bundle": "^2.6",
     "wp-coding-standards/wpcs": "^2.3",
-    "wp-phpunit/wp-phpunit": "^6.0",
+    "wp-phpunit/wp-phpunit": "^6.2",
     "wpackagist-plugin/advanced-custom-fields": "5.8.12",
     "wpackagist-plugin/easy-digital-downloads": "2.9.23",
     "wpackagist-plugin/jetpack": "10.0",
@@ -34,7 +36,7 @@
     "process-timeout": 600,
     "sort-packages": true,
     "platform": {
-      "php": "5.6.20"
+      "php": "7.4"
     },
     "allow-plugins": {
       "composer/installers": true,