note 83596 added to function.simplexml-load-file

I have a web program that I have it on multiple servers. and work perfectly using simplexml_load_file but one of my servers and other works habeces not working. and I pulled these errors. it can be?. will be something of Apache? Warning: simplexml_load_file() [function.simplexml-load-file]: php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution in /archivo.php on line 13 Warning: simplexml_load_file(/text.xml) [function.simplexml-load-file]: failed to open stream: Permission denied in /archivo.php on line 13 Warning: simplexml_load_file() [function.simplexml-load-file]: I/O warning : failed to load external entity "/text.xml" in /archivo.php on line 13 ---- Server IP: 69.147.83.197 Probable Submitter: 201.230.119.20 ---- Manual Page -- http://www.php.net/manual/en/function.simplexml-load-file.php Edit -- https://master.php.net/note/edit/83596 Del: integrated -- https://master.php.net/note/delete/83596/integrated Del: useless -- https://master.php.net/note/delete/83596/useless Del: bad code -- https://master.php.net/note/delete/83596/bad+code Del: spam -- https://master.php.net/note/delete/83596/spam Del: non-english -- https://master.php.net/note/delete/83596/non-english Del: in docs -- https://master.php.net/note/delete/83596/in+docs Del: other reasons-- https://master.php.net/note/delete/83596 Reject -- https://master.php.net/note/reject/83596 Search -- https://master.php.net/manage/user-notes.php