Notice (8): Undefined index: HTTP_ACCEPT_LANGUAGE [APP/Controller/AgeController.php, line 78]
Warning (512): Unable to emit headers. Headers sent in file=/var/www/html_face/app_face/vendor/cakephp/cakephp/src/Error/Debugger.php line=988 [CORE/src/Http/ResponseEmitter.php, line 71]
Warning (2): Cannot modify header information - headers already sent by (output started at /var/www/html_face/app_face/vendor/cakephp/cakephp/src/Error/Debugger.php:988) [CORE/src/Http/ResponseEmitter.php, line 168]
Warning (2): Cannot modify header information - headers already sent by (output started at /var/www/html_face/app_face/vendor/cakephp/cakephp/src/Error/Debugger.php:988) [CORE/src/Http/ResponseEmitter.php, line 197]
Error: explode() expects parameter 2 to be string, null given

explode() expects parameter 2 to be string, null given 📋

TypeError
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        $this->VisitorInfo $this->fetchTable("VisitorInfo");
        $this->VisitorInfo->mySave($this->request->getParam('action'));
        $langs explode(','$_SERVER['HTTP_ACCEPT_LANGUAGE']);
        $flg_jp true;
        if(@$langs[0] and !preg_match("/ja/"$langs[0])) {//日本でないなら
            $flg_jp false;
        }
Error in: ROOT/src/Controller/AgeController.php, line 78

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