From:             [EMAIL PROTECTED]
Operating system: Linux
PHP version:      4.0.5
PHP Bug Type:     PCRE related
Bug description:  preg_replace_callback and class methods

I was using preg_replace with the '/F' parameter, and it
was working perfectly till v4.0.4pl1. Now it has been
substituted by preg_replace_callback.

Does preg_replace_callback work with class method as a callback function, too? If it 
does, how should it be

I'm asking this because in each of these cases:

preg_replace_callback(/{([A-Z_][A-Z0-9_]*)}/i', $this->callmeback, $text);
preg_replace_callback(/{([A-Z_][A-Z0-9_]*)}/i', "\$this->callmeback", $text);
preg_replace_callback(/{([A-Z_][A-Z0-9_]*)}/i', '$this->callmeback', $text);

I get a warning:

preg_replace_callback() requires argument 2, [...],
to be a valid callback

More: there is another drawback. With preg_replace + '/F' parameter I could also 
specify additional parameters in the command line. Now I can't.

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