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@ 2015-07-08T16:38:55Z

<?php

function stringInterpolate($str, array $vars)
{
    return preg_replace_callback('/\{\$(\w+)\}/', function($matches) use($vars){
        return $vars[$matches[1]];
    }, $str);
}

echo stringInterpolate('{$name} {$surname}', array('name' => 'foo', 'surname' => 'Bar'));

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preg_replace_callback: documentation ( source)

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51.02 ms | 402 KiB | 5 Q