preg_replace() help

Imrie

Hello,

I have a lot of trouble trying to get a preg_replace() to work. This is what it is supposed to do -

User inputs -

[code1=lang]//some code[/code1]

It supposed to take the lang value above and add it to the class attribute of a pre tag. And take the "//some code" and put it between the pre tags.

Like so -

<pre name="code" class="lang">//some code</pre>

Current code that is not working -

$code = '[code1=php] echo "Hello"; [/code1] ';
echo preg_replace('#\[code1=([^\]]+)\](.*?)\[/code1\]#eis', "<pre name=code class='\1'>'\2'</pre>", $code);

It ouputs nothing.

Please help,

Thanks,

NogDog

You need to escape the backslashes for the sub-pattern identifiers in your replacement string ("\1"), or else use the relevant variables instead ("$1").

Imrie

Hmm, this doesent seem to work; still no output -

$code = '[code=php] echo "Hello";

';
echo preg_replace('#[code=([^{]]+)](.*?)[/code]#eis',} "<pre name=code class='$1'>'$2'</pre>", $code);[/code]

Can you see an error?

Cheers,

NogDog

Remove the "e" modifier at the end of the regex. Also, I suspect you do not want the quotes around the $2 in the replacement, but that's not a PHP error or such, it just depends on what you actually want output.

Imrie

That did the trick, Thanks.

Weedpacket

Just on a side note, "name" is not a recognised attribute of <pre> elements. On the other hand, an element can belong to more than one class: class=" code php", say.