magento-report.php

<?php

$files = glob('*');
$reports = array();

foreach ($files as $file) {
    if (!is_numeric($file)) {
        continue;
    }
    $time = filemtime($file);
    $content = unserialize(file_get_contents($file));
    $reports[] = array($time, $content, $file);
}

usort($reports, 'doSort');

foreach ($reports as $r) {
    echo date('Y-m-d H:i:s', $r[0]), ' (', $r[2], '): ', str_replace("\n", ' ', $r[1][0]), PHP_EOL;
}

function doSort($a, $b)
{
    return $a[0] - $b[0];
}