( ! ) Warning: Undefined array key "HTTP_ACCEPT_LANGUAGE" in /var/www/html/lib/Util/funcs.php on line 20
Call Stack
#TimeMemoryFunctionLocation
10.0001477384{main}( ).../index.php:0
20.0002478168require_once( '/var/www/html/bootstrap.php ).../index.php:2
30.0007588000I18n\I18n->validateLanguage( $language = '' ).../bootstrap.php:83
40.0007588000Util\getClientPreferedLanguages( $acceptedLanguages = ??? ).../I18n.php:77

( ! ) Deprecated: preg_match_all(): Passing null to parameter #2 ($subject) of type string is deprecated in /var/www/html/lib/Util/funcs.php on line 24
Call Stack
#TimeMemoryFunctionLocation
10.0001477384{main}( ).../index.php:0
20.0002478168require_once( '/var/www/html/bootstrap.php ).../index.php:2
30.0007588000I18n\I18n->validateLanguage( $language = '' ).../bootstrap.php:83
40.0007588000Util\getClientPreferedLanguages( $acceptedLanguages = ??? ).../I18n.php:77
50.0009588112preg_match_all( $pattern = '/([a-z]{1,8}(-[a-z]{1,8})*)\\s*(;\\s*q\\s*=\\s*(1|0\\.[0-9]+))?/i', $subject = NULL, $matches = NULL ).../funcs.php:24

( ! ) Warning: Cannot modify header information - headers already sent by (output started at /var/www/html/lib/Util/funcs.php:24) in /var/www/html/lib/Router/Router.php on line 84
Call Stack
#TimeMemoryFunctionLocation
10.0001477384{main}( ).../index.php:0
20.0002478168require_once( '/var/www/html/bootstrap.php ).../index.php:2
30.0011588632Router\Router->redirect( $route = ['language' => 'en', 'page' => 'index'] ).../bootstrap.php:87
40.0011588688header( $header = 'Location: /en/index.html' ).../Router.php:84