Fixed verification warnings for Slim for single and multi-queries. Re…

…solves #1404

frameworks/PHP/php-slim/benchmark_config

@@ -5,7 +5,7 @@
      "setup_file": "setup",
      "json_url": "/json",
      "db_url": "/db",
      "query_url": "/db?queries=",
      "query_url": "/dbs?queries=",
      "port": 8080,
      "approach": "Realistic",
      "classification": "Micro",

frameworks/PHP/php-slim/index.php

@@ -43,13 +43,33 @@
});

$app->get('/db', function () use($app) {
    $world = R::load('World', mt_rand(1, 10000))->export();
    # Cast fields to int so they don't get wrapped with quotes
    $world['id'] = (int) $world['id'];
    $world['randomNumber'] = (int) $world['randomNumber'];

    $app->contentType('application/json');
    echo json_encode($world);
});

$app->get('/dbs', function () use($app) {
    $queries = ($app->request()->get('queries') !== null)
        ? $app->request()->get('queries')
        : 1;
    if ($queries < 1) {
        $queries = 1;
    }
    else if ($queries > 500) {
        $queries = 500;
    }
    $worlds = array();

    for ($i = 0; $i < $queries; ++$i) {
        $worlds[] = R::load('World', mt_rand(1, 10000))->export();
        $world = R::load('World', mt_rand(1, 10000))->export();
        # Cast fields to int so they don't get wrapped with quotes
        $world['id'] = (int) $world['id'];
        $world['randomNumber'] = (int) $world['randomNumber'];
        $worlds[] = $world;
    }

    $app->contentType('application/json');