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Re: Names of URL Parameters

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On 9/28/2011 2:46 PM, tamouse wrote:
> Since the question seems directed to debugging, you should know about two functions: print_r and var_dump:
>
> http://us2.php.net/manual/en/function.print-r.php
> http://us2.php.net/manual/en/function.var-dump.php
>
> In both of these cases, the standard behaviour is to dump the variable structure straight to the standard output (most likely your browser window/tab). This can be problematic for a few reasons, and can be a security risk if you're not careful.
>
> print_r has a second paramter, which if set to TRUE, will return it's output as a string, which you can sanitize before sending to output thus:
>
> echo "<pre>" . htmlentities(print_r($var,TRUE)) ."</pre>" . PHP_EOL;
>
> This sort of thing will prove invaluable in debugging php code for the newbie.
>
> If you're doing a fair bit of this, you might want to set up a function for debugging, and use a global to turn on/off debugging. Lots of these exist already, some very sophisticated, some very simple.
>
> Extremely simple:
>
> function dbg($var)
> {
>      if ($GLOBALS['DEBUG'])
>      {
>          echo "<pre>".print_r($var,TRUE)."</pre>".PHP_EOL;
>      }
> }
>
> And you can set $GLOBALS['DEBUG'] in a number of ways, such as in a common configuration file that is included in your application, or by introducing a DEBUG parameter in the $_REQUEST hash.
>
> Some people (*cough*) go so far as to write a debugger class with all sorts of fancy bells and whistles, such as including the file, function, and line number where the debugging call is made, among others.

I would use $_SESSION['DEBUG'] instead.

-- 
Shelly

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Names of URL Parameters "eBob.com" <eBob.com@totallybogus.com> - 2011-09-21 16:56 -0400
  Re: Names of URL Parameters The Natural Philosopher <tnp@invalid.invalid> - 2011-09-21 22:06 +0100
  Re: Names of URL Parameters Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2011-09-21 23:46 +0200
    Re: Names of URL Parameters "eBob.com" <eBob.com@totallybogus.com> - 2011-09-21 23:27 -0400
      Re: Names of URL Parameters "Peter H. Coffin" <hellsop@ninehells.com> - 2011-09-22 07:43 -0500
      Re: Names of URL Parameters Richard Damon <news.x.richarddamon@xoxy.net> - 2011-09-22 13:36 -0400
  Re: Names of URL Parameters tamouse <tamouse.lists@gmail.com> - 2011-09-28 11:46 -0700
    Re: Names of URL Parameters tamouse <tamouse.lists@gmail.com> - 2011-09-28 12:18 -0700
    Re: Names of URL Parameters sheldonlg <sheldonlg@thevillages.net> - 2011-09-29 09:15 -0400

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