bulktest/gethar.php
<?php

include './settings.inc';

$results = array();

// see if there is an existing test we are working with
if (LoadResults($results)) {
    // count the number of tests that don't have status yet
    $testCount = 0;
    foreach ($results as &$result) {
        if (
            array_key_exists('id', $result) &&
            strlen($result['id']) &&
            array_key_exists('result', $result) &&
            strlen($result['result'])
        ) {
            $testCount++;
        }
    }

    if ($testCount) {
        echo "Retrieving HAR files for $testCount tests...\r\n";

        if (!is_dir('./har')) {
            mkdir('./har');
        }

        $count = 0;
        foreach ($results as &$result) {
            if (
                array_key_exists('id', $result) &&
                strlen($result['id']) &&
                array_key_exists('result', $result) &&
                strlen($result['result'])
            ) {
                $count++;
                echo "\rRetrieving HAR for test $count of $testCount...                  ";

                $file = $result['id'] . '-' . BuildFileName($result['url']);
                if (strlen($file) && !is_file("./har/$file.har")) {
                    $response = file_get_contents("{$server}export.php?test={$result['id']}&medianRun=fastest&run=median&bodies=1&pretty=1&cached=0");
                    if (strlen($response)) {
                        file_put_contents("./har/$file.har", $response);
                    }
                }
            }
        }

        // clear the progress text
        echo "\r                                                     \r";
        echo "Done\r\n";
    } else {
        echo "No HAR files available for download\r\n";
    }
} else {
    echo "No tests found in results.txt\r\n";
}

/**
* Create a file name given an url
*
* @param mixed $results
*/
function BuildFileName($url)
{
    $file = trim($url, "\r\n\t \\/");
    $file = str_ireplace('http://', '', $file);
    $file = str_ireplace(':', '_', $file);
    $file = str_ireplace('/', '_', $file);
    $file = str_ireplace('\\', '_', $file);
    $file = str_ireplace('%', '_', $file);

    return $file;
}
