INGIN Cloud SaaS. API.

E: [2] Undefined array key "HTTP_ACCEPT_LANGUAGE" || avvio.class.php::49
E: [8192] substr(): Passing null to parameter #1 ($string) of type string is deprecated || avvio.class.php::49
E: [2] Undefined array key "HTTP_ACCEPT_LANGUAGE" || avvio.class.php::51
E: [8192] substr(): Passing null to parameter #1 ($string) of type string is deprecated || avvio.class.php::51
E: [2] Undefined array key "trad" || avvio.class.php::53
E: [2] Undefined array key "assetsdir" || func.class.php::675
E: [2] file_get_contents(filelingue.csv): Failed to open stream: No such file or directory || func.class.php::675
E: [8192] str_getcsv(): Passing null to parameter #1 ($string) of type string is deprecated || func.class.php::678
E: [8192] preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated || func.class.php::688
E: [8192] strtolower(): Passing null to parameter #1 ($string) of type string is deprecated || func.class.php::689
E: [8192] preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated || func.class.php::689
E: [8192] strpos(): Passing null to parameter #2 ($needle) of type string is deprecated || func.class.php::691
E: [2] Undefined array key "index_lang" || func.class.php::697
E: [2] Undefined array key "username" || funzioni.class.php::46
E: [8192] trim(): Passing null to parameter #1 ($string) of type string is deprecated || funzioni.class.php::46
E: [2] Undefined array key "username" || func.class.php::49
E: [8192] trim(): Passing null to parameter #1 ($string) of type string is deprecated || func.class.php::49
E: [2] Undefined variable $trad || tpl.class.php::135