first commit

pma/libraries/classes/Controllers/Table/Structure/ReservedWordCheckController.php

@@ -0,0 +1,56 @@
+<?php
+
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Controllers\Table\Structure;
+
+use PhpMyAdmin\Controllers\Table\AbstractController;
+use PhpMyAdmin\SqlParser\Context;
+
+use function _ngettext;
+use function count;
+use function implode;
+use function sprintf;
+use function trim;
+
+final class ReservedWordCheckController extends AbstractController
+{
+    public function __invoke(): void
+    {
+        if ($GLOBALS['cfg']['ReservedWordDisableWarning'] !== false) {
+            $this->response->setRequestStatus(false);
+
+            return;
+        }
+
+        $columns_names = $_POST['field_name'];
+        $reserved_keywords_names = [];
+        foreach ($columns_names as $column) {
+            if (! Context::isKeyword(trim($column), true)) {
+                continue;
+            }
+
+            $reserved_keywords_names[] = trim($column);
+        }
+
+        if (Context::isKeyword(trim($this->table), true)) {
+            $reserved_keywords_names[] = trim($this->table);
+        }
+
+        if (count($reserved_keywords_names) === 0) {
+            $this->response->setRequestStatus(false);
+        }
+
+        $this->response->addJSON(
+            'message',
+            sprintf(
+                _ngettext(
+                    'The name \'%s\' is a MySQL reserved keyword.',
+                    'The names \'%s\' are MySQL reserved keywords.',
+                    count($reserved_keywords_names)
+                ),
+                implode(',', $reserved_keywords_names)
+            )
+        );
+    }
+}