This gist belongs to Clean Code Cookbook http://cleancodecookbook.com By Maximiliano Contieri http://maximilianocontieri.com

simplify04.php

<?

function simplify(array $patterns): array {
    return array_values(array_filter($patterns,
        function ($outerPattern) use ($patterns) {
            foreach ($patterns as $innerPattern) {
                if ($outerPattern != $innerPattern &&
                    substr_compare(
                        $outerPattern, 
                        $innerPattern,
                        0,
                        strlen($innerPattern)
                        )
                        === 0) {
                    return false;
                }
            }
            return true;
    }));
}