Sincerely Negin Nickparsa On Wed, Aug 20, 2014 at 7:55 AM, Christoph Becker <cmbecker69@xxxxxx> wrote: > Negin Nickparsa wrote: > > > I am struggling with my code and I cannot figure out what I have done > which > > it tells me Notice > > > > here is my server.php: > > > > <?php > > set_time_limit(0); > > $stock=array("hi"=>"hi","name"=>"negin","question"=>"answer"); > > $address="127.0.0.1"; > > $port="127"; > > $sock= socket_create(AF_INET,SOCK_STREAM, getprotobyname("tcp")); > > socket_bind($sock, $address,$port); > > socket_listen($sock); > > $client= socket_accept($sock); > > $input=socket_read($client, 1024); > > echo "you entered ".$input; > > if($stock[$input]!=NULL) > > { > > $answer=$stock[$input]; > > socket_write($sock,$answer, $port); > > > > } > > else{ > > echo socket_strerror(0); > > } > > socket_close($sock); > > ?> > > > > and here is my client.php: > > > > <?php > > $address="127.0.0.1"; > > $port="127"; > > $sock= socket_create(AF_INET,SOCK_STREAM, getprotobyname("tcp")); > > echo "enter your data:"; > > $input= fgets(STDIN); > > socket_connect($sock, $address,$port); > > socket_write($sock,$input ,strlen($input)); > > $dt=socket_read($sock, 1024); > > echo $dt; > > ?> > > > > I really cannot undrestand why the output is this on server side: > > > > c:\wamp\www\phpzend>php -f server.php > > you entered salam > > > > Notice: Undefined index: salam > > in C:\wamp\www\phpzend\server.php on line 12 > > > > Call Stack: > > 0.0010 232328 1. {main}() C:\wamp\www\phpzend\server.php:0 > > > > The operation completed successfully. > > > > but it doesn't write on my client side so this notice completely is a big > > issue I var_dumped the $input and it is string I have no idea what's > wrong > > here > > Have you checked that var_dump($input) prints string(5) "salam" (note > the string length 5). > > -- > Christoph M. Becker > > > yeah I checked that one and it is string I even commented out my code and tried to show the $stock[$input] and it had no problem Jim here is the code: here is my server.php: <?php set_time_limit(0); $stock=array("salam"=>"salam","esmet chie"=>"negin","chika mikoni"=>"socket minevisam!"); $address="127.0.0.1"; $port="127"; $sock= socket_create(AF_INET,SOCK_STREAM, getprotobyname("tcp")); socket_bind($sock, $address,$port); socket_listen($sock); $client= socket_accept($sock); $input=socket_read($client, 1024); echo "you entered ".$input; if($stock[$input]!=NULL) { $answer=$stock[$input]; socket_write($sock,$answer, $port); } else{ echo socket_strerror(0); } socket_close($sock); ?> and here is my client.php: <?php $address="127.0.0.1"; $port="127"; $sock= socket_create(AF_INET,SOCK_STREAM, getprotobyname("tcp")); echo "enter your data:"; $input= fgets(STDIN); socket_connect($sock, $address,$port); socket_write($sock,$input ,strlen($input)); $dt=socket_read($sock, 1024); echo $dt; ?> the output on server the side: c:\wamp\www\phpzend>php -f server.php you entered salam Notice: Undefined index: salam in C:\wamp\www\phpzend\server.php on line 12 Call Stack: 0.0010 232328 1. {main}() C:\wamp\www\phpzend\server.php:0 The operation completed successfully.