Merge pull request #178 from wp-blocks/8.4-compat

B8 - php 8.4 compatibility

Author: erikyo

core/b8/b8/b8.php

@@ -122,7 +122,7 @@ function __construct(array $config             = [],
      * @param string The text to classify
      * @return mixed float The rating between 0 (ham) and 1 (spam) or an error code
      */
-    public function classify(string $text = null)
+	public function classify(?string $text = null)
     {
         // Let's first see if the user called the function correctly
         if ($text === null) {
@@ -325,7 +325,7 @@ private function check_category(string $category)
      * @param string Either b8::SPAM or b8::HAM
      * @return mixed void or an error code
      */
-    public function learn(string $text = null, string $category = null)
+    public function learn(?string $text = null, ?string $category = null)
     {
         // Let's first see if the user called the function correctly
         if ($text === null) {
@@ -346,7 +346,7 @@ public function learn(string $text = null, string $category = null)
      * @param string Either b8::SPAM or b8::HAM
      * @return mixed void or an error code
      */
-    public function unlearn(string $text = null, string $category = null)
+    public function unlearn(?string $text = null, ?string $category = null)
     {
         // Let's first see if the user called the function correctly
         if ($text === null) {

core/b8/b8/lexer/standard.php

@@ -165,7 +165,7 @@ private function is_valid(string $token)
      * @param string $word_to_remove Word to remove from the processed string
      * @return void
      */
-    private function add_token(string $token, string $word_to_remove = null)
+    private function add_token(string $token, ?string $word_to_remove = null)
     {
         // Check the validity of the token
         if (! $this->is_valid($token)) {