[Asterisk-Users] AGI and PHP

[hkirrc.patrick]

thank you very much for taking the time to polishing up my codes and the 
various useful tips.

i would be most grateful if you could share your AGI function lib in PHP.

thanks again,
patrick



Florian Overkamp wrote:

> Hi,
>
> At 13:48 11-11-2003 +0800, you wrote:
>
>> i made a lot of silly mistakes along the way which could have been
>> avoided if only there were some kinda howto or samples.  at the risk
>> of looking stupid, i decided to shared my experience in hopes that
>> it might help some newbie get going with PHP.
>
>
> I've done this a long time ago, and by sheer accidence someone posed a 
> question about it yesterday. Below are some of the comments I sent him.
>
> By the way, I also have a reusable AGI function library in PHP. I 
> think I posted an older version to the list a long long time ago, but 
> if there is interest I can clean it up once more and put it out 
> there... Using normal function calls instead of the handywork saves 
> the programmer from nasty little bugs :-))
>
>
> ---*SNIP*---
> First of all, never sleep() in AGI, if you need timeouts, do a WAIT 
> FOR DIGIT or something, otherwise you might end up deadlocking your 
> asterisk server.
>
> Secondly, after issueing a command, read back the results, that way 
> you can be sure your command finished and you can even get some input 
> about what happened. Asterisk posts back result codes too...
>
> Thirdly, don't forget newlines where they are needed.
>
> I've adjusted your script accordingly and added some functions to 
> ensure some of these things:
>
> #!/usr/bin/php4 -q
> <?php
> ob_implicit_flush(true);
> set_time_limit(0);
> $in = fopen("php://stdin","r");
>
> // toggle debugging output (more verbose)
> $debug = false;
>
>
> // Do function definitions before we start the main loop
> function read() {
>     global $in, $debug;
>     $input = str_replace("\n", "", fgets($in, 4096));
>     if ($debug) echo "VERBOSE \"read: $input\"\n";
>     return $input;
> }
>
> function errlog($line) {
>     global $err;
>     echo "VERBOSE \"$line\"\n";
> }
>
> function write($line) {
>     global $debug;
>     if ($debug) echo "VERBOSE \"write: $input\"\n";
>     echo $line."\n";
> }
>
> // parse agi headers into array
> while ($env=read()) {
>   $s = split(": ",$env);
>   $agi[str_replace("agi_","",$s[0])] = trim($s[1]);
>   if (($env == "") || ($env == "\n")) {
>     break;
>   }
> }
>
> // main program
> errlog("Call from ".$argv[1]." - Calling phone");
> read();
> write("SAY DIGITS 22 X"); // X is the escape digit. since X is not 
> DTMF, no exit is possible :-)
> read();
> write("SAY NUMBER 2233 X"); // X is the escape digit. since X is not 
> DTMF, no exit is possible :-)
> read();
>
> // clean up file handlers etc.
> fclose($in);
>
> exit;
> ?>
> ---*SNIP*---
>
> best regards,
> Florian
>
>
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