Fix #81189: PDOStatement::fetchAll() claims "false on failure" return

reference/pdo/pdostatement/fetchall.xml

@@ -114,7 +114,7 @@
    all of the remaining rows in the result set. The array represents each
    row as either an array of column values or an object with properties
    corresponding to each column name. An empty array is returned if there
-   are zero results to fetch, or &false; on failure.
+   are zero results to fetch.
   </para>
   <para>
    Using this method to fetch large result sets will result in a heavy
@@ -126,6 +126,29 @@
   </para>
  </refsect1>
 
+ <refsect1 role="changelog">
+  &reftitle.changelog;
+  <informaltable>
+   <tgroup cols="2">
+    <thead>
+     <row>
+      <entry>&Version;</entry>
+      <entry>&Description;</entry>
+     </row>
+    </thead>
+    <tbody>
+     <row>
+      <entry>PHP 8.0.0</entry>
+      <entry>
+       This method always returns an &array; now, while previously &false; may have
+       been returned on failure.
+      </entry>
+     </row>
+    </tbody>
+   </tgroup>
+  </informaltable>
+ </refsect1>
+
  <refsect1 role="examples">
   &reftitle.examples;
   <para>