Bug-fix.

Changelog excerpt:
- Decimals in the names, choice keys, and labels keys of configuration
  directives were being coerced by PHP to underscores; Fixed.

Author: Maikuolan

Changelog.md

@@ -125,3 +125,5 @@ __*Why "v3.0.0" instead of "v1.0.0?"*__ Prior to phpMussel v3, the "phpMussel Co
 [2022.12.10; Bug-fix; Maikuolan]: The reset button at the front-end configuration page wasn't resetting the hidden "other" field; Fixed.
 
 [2023.01.06; Maikuolan]: Added L10N for Hebrew.
+
+[2023.01.12; Bug-fix; Maikuolan]: Decimals in the names, choice keys, and labels keys of configuration directives were being coerced by PHP to underscores; Fixed.

src/FrontEnd.php

@@ -8,7 +8,7 @@
  * License: GNU/GPLv2
  * @see LICENSE.txt
  *
- * This file: Front-end handler (last modified: 2022.12.10).
+ * This file: Front-end handler (last modified: 2023.01.12).
  */
 
 namespace phpMussel\FrontEnd;
@@ -1092,6 +1092,16 @@ public function view(string $Page = ''): void
                         ' autocomplete="%s"',
                         $DirValue['autocomplete']
                     );
+
+                    /** Fix for PHP automatically changing certain kinds of $_POST keys. */
+                    if (!isset($_POST[$ThisDir['DirLangKey']])) {
+                        $Try = str_replace('.', '_', $ThisDir['DirLangKey']);
+                        if (isset($_POST[$Try])) {
+                            $_POST[$ThisDir['DirLangKey']] = $_POST[$Try];
+                            unset($_POST[$Try]);
+                        }
+                    }
+
                     if (isset($_POST[$ThisDir['DirLangKey']])) {
                         if (in_array($DirValue['type'], ['bool', 'float', 'int', 'kb', 'string', 'timezone', 'email', 'url'], true)) {
                             $this->Loader->autoType($_POST[$ThisDir['DirLangKey']], $DirValue['type']);
@@ -1119,10 +1129,24 @@ public function view(string $Page = ''): void
                                 foreach ($DirValue['labels'] as $DirValue['ThisLabelKey'] => $DirValue['ThisLabel']) {
                                     if (!empty($_POST[$ThisDir['DirLangKey'] . '_' . $DirValue['ThisChoiceKey'] . '_' . $DirValue['ThisLabelKey']])) {
                                         $DirValue['Posts'][] = $DirValue['ThisChoiceKey'] . ':' . $DirValue['ThisLabelKey'];
+                                    } else {
+                                        $Try = str_replace('.', '_', $ThisDir['DirLangKey'] . '_' . $DirValue['ThisChoiceKey'] . '_' . $DirValue['ThisLabelKey']);
+                                        if (!empty($_POST[$Try])) {
+                                            $_POST[$ThisDir['DirLangKey'] . '_' . $DirValue['ThisChoiceKey'] . '_' . $DirValue['ThisLabelKey']] = $_POST[$Try];
+                                            unset($_POST[$Try]);
+                                            $DirValue['Posts'][] = $DirValue['ThisChoiceKey'] . ':' . $DirValue['ThisLabelKey'];
+                                        }
                                     }
                                 }
                             } elseif (!empty($_POST[$ThisDir['DirLangKey'] . '_' . $DirValue['ThisChoiceKey']])) {
                                 $DirValue['Posts'][] = $DirValue['ThisChoiceKey'];
+                            } else {
+                                $Try = str_replace('.', '_', $ThisDir['DirLangKey'] . '_' . $DirValue['ThisChoiceKey']);
+                                if (!empty($_POST[$Try])) {
+                                    $_POST[$ThisDir['DirLangKey'] . '_' . $DirValue['ThisChoiceKey']] = $_POST[$Try];
+                                    unset($_POST[$Try]);
+                                    $DirValue['Posts'][] = $DirValue['ThisChoiceKey'];
+                                }
                             }
                         }
                         $DirValue['Posts'] = implode(',', $DirValue['Posts']) ?: '';