vb.org Archive - Dynamic Announcements: Programmable Forum Home Announcement/Message with conditionals

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[[($bbuserinfo[birthday] and $bbuserinfo[birthday] == strtotime("0 days"))]]
Show this announcement if today is page visitor's birthday
[[/($bbuserinfo[birthday] and $bbuserinfo[birthday] == strtotime("0 days")]]

Is it Correct?
:disappointed:

Awesome! I have this working under VB 3.5.1.

I did alter it, however. I didn't like the announcement in its own box/table, so instead I edited my style FORUMHOME templates to put the announcement text into the "guest" announcement area, and removed the <if condition="$show['guest']">...</if> so that area always shows. I did not add the $dfh_announcement after $navbar. Instead, I replaced the first_visit_message phrase code with $dfh_announcement_announcementtopaste. Voila! I then used conditionals in the DFHA to control whether my guest message or my registered user message is displayed there.

Fine point: I did actually add a new phrase welcome_to_the_x_dfha and switch between that and welcome_to_the_x depending on whether $show['guest'] is true or false. That way the title of the announcement area changes between guests and registered users. I didn't post the code here because it's different in VB Classic vs Surge, etc. I can post the Classic code if needed.

Now the display is consistent with the current style, takes up less room, and is really configurable. All you do is edit the DFHA announcement text in the condiitional blox.

One thing that got me: You cannot nest conditionals. I might look at your system to see if it can recursively call itself to parse nested conditionals. For me at least, it would be very helpful. I use conditionals to switch between guest and registered user messages, and I can't use any condiitionals inside those. Instead I have to make a rather messy set of linear conditionals for all of the permutations of conditions I have.

Also the conditional syntax is a bit klunky, but I understand it's code you've had for a long ime. If it ain't broke, don't fix it!

Quote:

Originally Posted by dc3dreamer

Sorry, nested conditionals is not possible in the system.

Update #2 (final!): All is well now. Here is the code for dynamic_a() which implements nested conditionals:

Code:

function dynamic_a($logician_dfa_incoming1)

{

    extract ($GLOBALS);



    // Prevent successive conditionals on separate lines from generating

    // spurious <br /> after running thru BbCode parser. You might not

    // like this, it's optional.

    $logician_dfa_incoming1 = ereg_replace("\]\][\r\n\f \t]*\[\[", "]][[", $logician_dfa_incoming1);

    // Recursively process nested conditionals

    $logician_dfa_incoming1 = trim(dynamic_b($logician_dfa_incoming1));

    // Finish up by running result through BbCode parser

    if (trim($logician_dfa_incoming1)) 

    {

        $parser =& new vB_BbCodeParser($vbulletin, fetch_tag_list()); 

        $logician_dfa_incoming1 = $parser->do_parse($logician_dfa_incoming1, 1, 1, 1, 1, 1, 1); 

    }

    return $logician_dfa_incoming1;

}



function dynamic_b($dc3dreamer_dfa_incoming1)

{

    extract ($GLOBALS);



    while (preg_match("/\[\[(.*)\]\](.*)\[\[(\/\\1)\]\]/siU", $dc3dreamer_dfa_incoming1, $matches14))

    {

        @eval ('if ('.stripslashes($matches14[1]).') { $eval_deger= "1"; } else { $eval_deger= "0"; }'); 

        if ($eval_deger == 1)           //if conditional applied, replace with inner text

        {

            $dc3dreamer_dfa_incoming1 = dynamic_b(str_replace($matches14[0], $matches14[2], $dc3dreamer_dfa_incoming1));

        }

        else                            // Conditional not applied, delete the whole chunk

        {

            $dc3dreamer_dfa_incoming1 = dynamic_b(str_replace($matches14[0], '', $dc3dreamer_dfa_incoming1));

        }

    }

    return $dc3dreamer_dfa_incoming1;

}

The recursion continues until there are no conditionals found, at which point the final result is passed through the BbCodeParser at the end of the first method. The trick was to remove line endings from conditionals that follow one another with just newlines between. They generated extra breaks and line spacing after going through the BbCode parser. You might want to remove the * in the regexp for the call to ereg_replace(). Er, do I really have to name my parameter variable like it might exist in the host page? I hope not, but I copied Logician's style. I would have used sumpin' like $src for the parameter var :nervous:

I'm slowly coming up to speed on PHP :nervous: I was killed by the $bbuserinfo[membergroupids] variable testing against values, till my ancient Perl tablets fell out on the ground. Yumba! It can be an array and it may not even exist! Well, rookie me! I got it now.

This is so nice! Nested conditionals open up a whole new world of possibilities, but ... Thank you Logician Thank you Logician Thank you Logician ...

Quote:

Originally Posted by dc3dreamer

Update #2 (final!): All is well now. Here is the code for dynamic_a() which implements nested conditionals:

Code:

function dynamic_a($logician_dfa_incoming1)

{

    extract ($GLOBALS);



    // Prevent successive conditionals on separate lines from generating

    // spurious <br /> after running thru BbCode parser. You might not

    // like this, it's optional.

    $logician_dfa_incoming1 = ereg_replace("\]\][\r\n\f \t]*\[\[", "]][[", $logician_dfa_incoming1);

    // Recursively process nested conditionals

    $logician_dfa_incoming1 = trim(dynamic_b($logician_dfa_incoming1));

    // Finish up by running result through BbCode parser

    if (trim($logician_dfa_incoming1)) 

    {

        $parser =& new vB_BbCodeParser($vbulletin, fetch_tag_list()); 

        $logician_dfa_incoming1 = $parser->do_parse($logician_dfa_incoming1, 1, 1, 1, 1, 1, 1); 

    }

    return $logician_dfa_incoming1;

}



function dynamic_b($dc3dreamer_dfa_incoming1)

{

    extract ($GLOBALS);



    while (preg_match("/\[\[(.*)\]\](.*)\[\[(\/\\1)\]\]/siU", $dc3dreamer_dfa_incoming1, $matches14))

    {

        @eval ('if ('.stripslashes($matches14[1]).') { $eval_deger= "1"; } else { $eval_deger= "0"; }'); 

        if ($eval_deger == 1)           //if conditional applied, replace with inner text

        {

            $dc3dreamer_dfa_incoming1 = dynamic_b(str_replace($matches14[0], $matches14[2], $dc3dreamer_dfa_incoming1));

        }

        else                            // Conditional not applied, delete the whole chunk

        {

            $dc3dreamer_dfa_incoming1 = dynamic_b(str_replace($matches14[0], '', $dc3dreamer_dfa_incoming1));

        }

    }

    return $dc3dreamer_dfa_incoming1;

}

Thanks for your contribution! I've linked your post in the first post of the thread. :)

Quote:

Originally Posted by lulala

Anyone can help me...?... :disappointed:

Quote:

Originally Posted by lulala

Ya,it 's i need.
Could you show how to
show an announcement in user's birthday?
What is user's birthday of conditional syntax?
$bbuserinfo[birthday] ?
I want to show "Happy Birthday" to User?

https://vborg.vbsupport.ru/showpost....&postcount=352

Great hack! Thanks so much Logician :)

Thanks Logician et merci allan pour ta traduction fr ;)

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