( ! ) Notice: Undefined index: ln in /data/http/so/set_lang.php on line 9
Call Stack
#	Time	Memory	Function	Location
1	0.0002	350296	{main}( )	.../set_lang.php:0

( ! ) Warning: Cannot modify header information - headers already sent by (output started at /data/http/so/set_lang.php:9) in /data/http/so/set_lang.php on line 9
Call Stack
#	Time	Memory	Function	Location
1	0.0002	350296	{main}( )	.../set_lang.php:0
2	0.0002	350408	setcookie( $name = 'lang', $value = NULL, $expires_or_options = 1793044025, $path = '/' )	.../set_lang.php:9

( ! ) Notice: Undefined index: HTTP_REFERER in /data/http/so/set_lang.php on line 11
Call Stack
#	Time	Memory	Function	Location
1	0.0002	350296	{main}( )	.../set_lang.php:0

( ! ) Warning: Cannot modify header information - headers already sent by (output started at /data/http/so/set_lang.php:9) in /data/http/so/set_lang.php on line 11
Call Stack
#	Time	Memory	Function	Location
1	0.0002	350296	{main}( )	.../set_lang.php:0
2	0.0003	350408	header( $header = 'Location: ' )	.../set_lang.php:11