Re: Re: Pass variable to pcntl_fork child

On Wed, Jul 2, 2014 at 11:31 AM, Uggla Henrik <Henrik.Uggla@kristianstad.se> wrote: > > ________________________________________ > Från: Aziz Saleh [azizsaleh@gmail.com] > Skickat: den 2 juli 2014 16:57 > Till: webmaster@jimginer.net > Kopia: php-general@lists.php.net > Ämne: Re: [PHP] Re: Pass variable to pcntl_fork child > > On Wed, Jul 2, 2014 at 10:41 AM, Jim Giner <jim.giner@albanyhandball.com> > wrote: > > > On 7/2/2014 5:40 AM, Uggla Henrik wrote: > > > >> Hi! > >> > >> I've tried the following code but the $call variable is not available in > >> the pcntl_fork child. Searching the web, I've found posts that claim > that > >> all variables defined before pcntl_fork are copied to the child. I've > also > >> found posts that claim that no variables are passed/copied to the child. > >> So, which of them is true and how should I correct my code to make it > work? > >> > >> regards > >> Henrik > >> > >> > >> > >> $call = str_replace('@@', '&', $_GET['call']); > >> > >> if ($pid = pcntl_fork()) > >> { > >> $previousCalls=file("calls.txt", FILE_IGNORE_NEW_LINES | > >> FILE_SKIP_EMPTY_LINES); > >> if (!in_array($call, $previousCalls)) > >> { > >> file_put_contents("calls.txt", $call."\n", > >> FILE_APPEND); > >> } > >> } > >> else > >> { > >> function displayUrl($url) > >> { > >> $ch = curl_init($url); > >> curl_setopt ( $ch, CURLOPT_HEADER, 1); > >> curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); > >> $curlResult = curl_exec($ch); > >> curl_close($ch); > >> list($headers,$content) = > explode("\r\n\r\n",$curlResult,2); > >> foreach (explode("\r\n",$headers) as $hdr) > >> { > >> if ($hdr != 'Transfer-Encoding: chunked') > >> { > >> header($hdr); > >> } > >> } > >> echo $content; > >> } > >> displayUrl($call); > >> } > >> > >> 1 What's a child? > > 2 You must use == in your if condition. > > 3 ??? Why do you have a function defined in your else clause??? > > > > > > -- > > PHP General Mailing List (http://www.php.net/) > > To unsubscribe, visit: http://www.php.net/unsub.php > > > > > The only issue I see in your code is that the parent is not waiting for the > child to close, which can cause zombies. Add: > > pcntl_wait($status); > > As shown here: > http://www.php.net/manual/en/function.pcntl-fork.php > > Also you are not checking if the fork failed (-1), shown on the above > example. > > Your code with the wait works fine for me (outputs data and records data in > the file). > > > Does the child echo to the browser that started the php or does the output > go somewhere else? > > /H No I tested that on command prompt not the browser. Someone else will have to test it on a browser to see how it works.