PHP preg_replace: use variable

Question

I\'m having a problem using a variable from preg_replace. Basically what I want to achieve is to look for some patterns in a text, and replace them by content. The replacement i

Answer 1

The problem is that $this->retrieveValue($templateVars,'$1') is executed before you call preg_replace.

Solution: Have a look at preg_replace_callback.

I suggest you create a new method in your class:

public function _replace($matches) {
    return $this->retrieveValue($templateVars, $matches[1]);
}

and then can use:

preg_replace_callback('/\*#(.*?)#\*/', array($this, '_replace'), $template);

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You can also make use of anonymous functions in PHP 5.3.