$_server in is a php super global variable. By using this $_server super global variable we can get the information of server. $_server php super global is most impartment function.
file_exists not working php file_exits doesn't support remote URLs. php file functions: if php file_exits not working. we can try this one if (fopen($fileexitesnotworking, "r")){ echo "file exits" }else { echo "not"; }