php - fwrite() error, operation not permitted -

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basically, code should work because works when run website locally. though, when upload dedicated server, show these errors:

notice: fwrite(): send of 15 bytes failed errno=1 operation not permitted in /home/advancegzw/www/folder/include/sampqueryapi.php on line 72

notice: fwrite(): send of 15 bytes failed errno=1 operation not permitted in /home/advancegzw/www/folder/include/sampqueryapi.php on line 72

notice: fwrite(): send of 15 bytes failed errno=1 operation not permitted in /home/advancegzw/www/folder/include/sampqueryapi.php on line 72

line 72 fwrite() obviously:

fwrite($this->rsocket, $spacket);

is there possibility hosting company blocked outgoing udp? or there cause?


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