Passing regexp substrings to a function

[Ville Mattila <ville.mattila@xxxxxxxxxxxxx>]

Hi there,

I have a few e-mail templates in a file that should be parsed. A 
template can include also some "module codes" that should be replaced by 
a return value of a certain function. For example, if the template 
include a text "{ProductInfo:1032}", the value 1032 would be passed as 
an argument to a function mdlProductInfo() and the whole string would be 
replaced by the return value of the function.

One possible way is to loop the string like this:

while(eregi("{([a-z])(:[a-z0-9])+}", $template, $regs)) {
	list($whole, $function, $valuestring) = $regs;
	$values = explode(":", substr($valuestring, 1));

	unset($retval);
	eval("$retval = mdl".$function."(".join(",", $values).");");
	
	$template = str_replace($whole, $retval, $template);
}

Any other ideas on this?

Ville

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