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<?php

Blade::directive('active', function ($expression) {
    return "<?php echo active_url($expression); ?>";
});

<?php

if (! function_exists('active_url')) {
    function active_url($pattern, $default = 'active')
    {
        $path = request()->decodedPath();

        if (@preg_match('#^'.$pattern.'\z#u', $path)) {
            return $default;
        }
    }
}

      <ul class="nav nav-pills">
        <li role="presentation" class="@active('foods/?.*')"><a href="#">Foods</a></li>
        <li role="presentation" class="@active('glossary/?.*')"><a href="#">Glossary</a></li>
        <li role="presentation" class="@active('recipes/?.*')"><a href="#">Recipes</a></li>
        <li role="presentation" class="@active('tools/?.*')"><a href="{{ url('/tools') }}">Tools</a></li>
      </ul>