logica que faz o parse de valores {{name}}

template.php

<?php 

function resolveTemplate($template,$data){
    // search pattern
        $pattern = '/{{([^}]+)}}/';

        $callback = function ($match) use($data){
            //var_dump($matches);
            $string = trim($match[1]);

            if(isset($data[$string])){
                return $data[$string];
            }
        };

        return preg_replace_callback($pattern, $callback, $template);

    }
?>