preg_replace $1 as element identifier

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ello all,
Just a quick on this.

I'd like to replace the string [c:somevalue] within $string with the value contained within $this->config[somevalue][data].

I've tried:

$string = preg_replace("/(?is)\[c:(.*?)\]/",$this->config[$1][data],$string);
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /hsphere/local/home/carlheat/omPHP/classes/data.c.inc.php on line 23

Any ideas?

Thanks in advance ;-)

[lilleman]

Try this:

$string = preg_replace("/\\[c:([^\\]]+)]/ie", '$this->config["$1"]["data"]', $string);

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worked a treat man, cheers...