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I saw code that contained the following line:
preg_replace_callback($regex, 'TextileParser::replaceAnchor', $text);
where TextileParser::replaceAnchor() is a private static method.
Yes, it is possible.
Just test it yourself:
class TestCallBack {
private static function found_number($num) {
return "-".$num[0]."-";
}
public function find($Str) {
return preg_replace_callback('/[0-9]/', 'TestCallBack::found_number', $Str);
}
}
// Exemple
$Tester = new TestCallBack;
$Result = $Tester->find("54321");
var_dump($Result);