Online PHP editor | refs for n45ZN

<?php function parseDbString(string $value = 'Looking for a good {{ $pippo }}'){ $pippo='Pizza'; return preg_replace_callback('/{{(.*?)}}/', function($res) use ($pippo) { return $res;//trim($res[1]); // $val=${trim($res[1])}; Returns "Undefined variable: $pippo" $val=${trim($res[1])}; // Returns "Looking for a good Pizza" return isset($val) ? $val : $res[0]; },$value); } var_dump(parseDbString());