Re: Echo from stream_select as output is generated by child process?

On Thu, Jun 5, 2014 at 6:18 PM, Mike Kilmer <mike@madhappy.com> wrote: > Hi all. This is my first post here. > > I'm using proc_open to call a python script. > > The (python) child process takes about a minute to run, and when run from > the command line it prints results as they are completed. > > With the php script, it just prints them all when it's complete. > > Is there a way to return the python output to the browser in real time? > > Possibly using more than one stream_select with varying time_outs? > > The full script is posted on StackOverflow, and what I think are the > relevant segments are below: > > $proc = proc_open ( $child_process , $description , $pipes, > glitch_player_DIR, $env ); > > // set all streams to non blockin mode > stream_set_blocking($pipes[1], 0); > stream_set_blocking($pipes[2], 0); > > foreach(array(1, 2) as $desc) { > // check stdout for data > $read = array($pipes[$desc]); > $write = NULL; > $except = NULL; > $tv = 0; > $utv = 50000; > > $n = stream_select($read, $write, $except, $tv, $utv); > if($n > 0) { > do { > $data = fread($pipes[$desc], 8092); > if (is_string($data) && ($data != "")) > echo $data ."<br/>"; > array_push($glitch_response, $data); > } while (strlen($data) > 0); > } > } > > Thanks for your feedback. > > Mike Kilmer > mZoo.org What do you have for your descriptor array (second param on proc_open)?