PHP8.2 fix Constant language

html/include/functions.php

@@ -701,7 +701,7 @@ function xoops_getrank($rank_id =0, $posts = 0)
 function xoops_substr($str, $start, $length, $trimmarker = '...')
 {
     if (!XOOPS_USE_MULTIBYTES) {
-        return (strlen($str) - $start <= $length) ? substr($str, $start, $length) : substr($str, $start, $length - strlen($trimmarker)) . $trimmarker;
+        return (strlen($str) ?? '' - $start <= $length) ? substr($str, $start, $length) : substr($str, $start, $length - strlen($trimmarker)) . $trimmarker;
     }
     if (function_exists('mb_internal_encoding') && @mb_internal_encoding(_CHARSET)) {
         $str2 = mb_strcut($str, $start, $length - strlen($trimmarker));

html/modules/legacy/kernel/Legacy_BlockProcedure.class.php

@@ -228,7 +228,7 @@ public function getWeight()
     /**
      * @public
      * @breaf [Secret Agreement] Gets a value indicating whether the option form of this block needs the row to display the form.
-     * @remark Only block management actions should use this method, and this method should not be overridden usually.
+     * @remark Only block management actions should use this method, and generally this method should not be replaced.
      */
     public function _hasVisibleOptionForm()
     {
@@ -256,8 +256,6 @@ class Legacy_BlockProcedureAdapter extends Legacy_BlockProcedure
     public function execute()
     {
 
-
-
         $result =& $this->_mBlock->buildBlock();
 
         if (empty($result)) {
@@ -270,7 +268,6 @@ public function execute()
         $render->setAttribute('bid', $this->_mBlock->get('bid'));
 
 
-
         if (null == $this->_mBlock->get('template')) {
             $render->setTemplateName('system_dummy.html');
             $render->setAttribute('dummy_content', $result['content']);