Removed usage of each() (unavailable in php8).

I replaced it with key() and current().

Author: InFog

PHPCtags.class.php

@@ -323,14 +323,16 @@ private function render($structure)
             if (in_array('s', $this->mOptions['fields']) && !empty($struct['scope'])) {
                 // $scope, $type, $name are current scope variables
                 $scope = array_pop($struct['scope']);
-                list($type, $name) = each($scope);
+                $type = key($scope);
+                $name = current($scope);
                 switch ($type) {
                     case 'class':
                         // n_* stuffs are namespace related scope variables
                         // current > class > namespace
                         $n_scope = array_pop($struct['scope']);
                         if(!empty($n_scope)) {
-                            list($n_type, $n_name) = each($n_scope);
+                            $n_type = key($n_scope);
+                            $n_name = current($n_scope);
                             $s_str = 'class:' . $n_name . '\\' . $name;
                         } else {
                             $s_str = 'class:' . $name;
@@ -340,10 +342,12 @@ private function render($structure)
                         // c_* stuffs are class related scope variables
                         // current > method > class > namespace
                         $c_scope = array_pop($struct['scope']);
-                        list($c_type, $c_name) = each($c_scope);
+                        $c_type = key($c_scope);
+                        $c_name = current($c_scope);
                         $n_scope = array_pop($struct['scope']);
                         if(!empty($n_scope)) {
-                            list($n_type, $n_name) = each($n_scope);
+                            $n_type = key($n_scope);
+                            $n_name = current($n_scope);
                             $s_str = 'method:' . $n_name . '\\' . $c_name . '::' . $name;
                         } else {
                             $s_str = 'method:' . $c_name . '::' . $name;