BBcode help? :)

[Excellent2]

Hey, I'm making a little news system and the last thing I need to do is include the BBCode. I read that I could use str_replace to do this? How would I set about doing it? :)

[Joe!]

http://w3schools.com/php/func_string_str_replace.asp

If I was you, i'd just insert the original data into the database, then convert it when displaying it. I'm not sure if converting it then inputting would be quicker, I imagine so, but meh.

[Decode]

http://w3schools.com/php/func_string_str_replace.asp

If I was you, i'd just insert the original data into the database, then convert it when displaying it. I'm not sure if converting it then inputting would be quicker, I imagine so, but meh.

You would need to use preg_replace otherwise someone could do and leave it open and the rest of the page would be in bold.


$string = "[b]This text is in bold";
preg_replace("/(.*?)/", "<b>$1</b>", $string);

That may not be 100% right but give it a go.

[Excellent2]

Yeah I was thinking that way but I just wanted to say include the file onto the index page so when say.. <b>Hiya</b> is displayed it automatically changes it to bold.

[DUB]

You can make a quick function like this:



function bbcode($content)
{
$content = preg_replace(”\[b\](.+?)\[\/b\]”, “<b>$1</b>”, $content);
$content = preg_replace(”\[i\](.+?)\[\/i\]”, “<i>$1</i>”, $content);
$content = preg_replace(”\[u\](.+?)\[\/u\]”, “<u>$1</u>”, $content);
$content = preg_replace(”\[img\](.+?)\[\/img\]”, “<img src=\”$1\” alt=\”\” />”, $content);
return($content);
}

[Joe!]

I get this when doing DUB's method.

Warning: preg_replace() [function.preg-replace]: Delimiter must not be alphanumeric or backslash in C:\wamp\www\User system revision\functions.php on line 64

Warning: preg_replace() [function.preg-replace]: Delimiter must not be alphanumeric or backslash in C:\wamp\www\User system revision\functions.php on line 65

Warning: preg_replace() [function.preg-replace]: Delimiter must not be alphanumeric or backslash in C:\wamp\www\User system revision\functions.php on line 66

Warning: preg_replace() [function.preg-replace]: Delimiter must not be alphanumeric or backslash in C:\wamp\www\User system revision\functions.php on line 67

[DUB]

oh yeah my bad



function bbcode($content)
{
$content = preg_replace(”/[b\](.+?)/[\/b\]”, “<b>$1</b>”, $content);
$content = preg_replace(”/[i\](.+?)/[\/i\]”, “<i>$1</i>”, $content);
$content = preg_replace(”/[u\](.+?)/[\/u\]”, “<u>$1</u>”, $content);
$content = preg_replace(”/[img\](.+?)/[\/img\]”, “<img src=\”$1\” alt=\”\” />”, $content);
return($content);
}

[Excellent2]

oh yeah my bad



function bbcode($content)
{
$content = preg_replace(”/[b\](.+?)/[\/b\]”, “<b>$1</b>”, $content);
$content = preg_replace(”/[i\](.+?)/[\/i\]”, “<i>$1</i>”, $content);
$content = preg_replace(”/[u\](.+?)/[\/u\]”, “<u>$1</u>”, $content);
$content = preg_replace(”/[img\](.+?)/[\/img\]”, “<img src=\”$1\” alt=\”\” />”, $content);
return($content);
}

Parse error: syntax error, unexpected '=', expecting ')' in /home/luke/public_html/syst/bbcode.php on line 5

[DUB]

oh crap



function bbcode($content)
{
$content = preg_replace('/\[b\](.*?)\[\/b\]/is', '<strong>$1</strong>', $content);
$content = preg_replace('/\[i\](.*?)\[\/i\]/is', '<em>$1</em>', $content);
$content = preg_replace('/\[u\](.*?)\[\/u\]/is', '<u>$1</u>', $content);
$content = preg_replace('/\[img\](.*?)\[\/img\]/is',
'<img src="$1" />', $content);

return($content);
}


that should work

[Excellent2]

Doesn't work when I apply the <strong></strong> tags.

[Joe!]

Is there a way in which you could produce arrays for each of them, so that it only requires one preg_replace? I'm not asking you specifically to do it, but is there a way? :)

[Invent]

Is there a way in which you could produce arrays for each of them, so that it only requires one preg_replace? I'm not asking you specifically to do it, but is there a way? :)


<?php

$string = 'hay lol';

$bbcode = array(

'/\[b\](.*?)\[\/b\]/is',
'/\[u\](.*?)\[\/u\]/is'

);

$replace = array(

'<strong>$1</strong>',
'<u>$1</u>'

);

$string = preg_replace( $bbcode, $replace, $string );

echo $string;

?>

[DUB]

@excellent do this:



$whatever = " bold italics ";
echo bbcode($whatever);


EDIT: simon beat me :(

[Joe!]

Ah thankyou :) I know this may sound dumb, but how do you know where to use slashes and all that with the bbcode bit(/\[b\]) etc? Cheers

[Invent]

If the character is used in reg ex, then you need to escape it.

[HotelUser]

this worked for me when changing font, size or color using BB:


$string = preg_replace("(\[font=(.+?)\](.+?)\[\/font\])","<font face=$1>$2</font>",$string);
$string = preg_replace("(\[color=(.+?)\](.+?)\[\/color\])","<font color=$1>$2</font>",$string);
$string = preg_replace("(\[size=(.+?)\](.+?)\[\/size\])","<font size=$1>$2</font>",$string);