PHP socket_read() only returns 1 string

Question

I use the script below to connect to an external PBX server and get the call logs.

However it only returns 1 sting at a time which equals 1 log. So I need to refresh multiple times to get all the available logs.

$socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP) or die();
$result = socket_connect($socket, $address, $port) or die();

$out = socket_read($socket, 2048);

How do I get all the strings available without having to reinitiate the connection all the time?

Alexander Mihalicyn · Accepted Answer · 2017-08-12 12:04:06Z

1

Probably you mean reading from socket in cycle? According to documentation (http://php.net/socket_read) you can do something like that while ($portion = socket_read($socket, 2048)) { do_something_with_that_portion_of_log; } and if data exhausted you got empty string or FALSE if error occurred.

FINAL SOLUTION

We use socket_set_option($socket, SOL_SOCKET, SO_RCVTIMEO, array('sec'=> 10, 'usec'=> 0)); with default non-blocking mode. After all logs will be read program will be wait for ~10 secs and finishing.

https://gist.github.com/mihalicyn/533273e0d8b23de33aaf7f2cf0973d88

edited Aug 12, 2017 at 12:04

answered Aug 11, 2017 at 14:50

Alexander Mihalicyn

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10 Comments

Nikk Over a year ago

It doesn't work. The page just keeps loading endlessly. What could be causing it to do this? I want to loop through all the records and get them all. Every time I call socket I get 1 string in return.

Alexander Mihalicyn Over a year ago

You can use socket_set_nonblock($socket); to set non-blocking mode on read operation. This is php documentation issue. :(

Nikk Over a year ago

When I try to var_dump($portion); I now get bool(false). Any clue what that is about?

Alexander Mihalicyn Over a year ago

You can use socket_last_error function (php.net/manual/ru/function.socket-last-error.php) to get error code and socket_strerror to it's string representation. ;) Probably you got SOCKET_EWOULDBLOCK when data in socket is exhausted.

Nikk Over a year ago

I get: Couldn't create socket: [11] Resource temporarily unavailable

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