Facebook Posts

<?php
date_default_timezone_set('Europe/Sofia');
$text = $_GET['text'];
$postPattern = "/\s*(.+?)\s*;\s*(\d{1,2}\-\d{1,2}\-\d{4})\s*;\s*(.+?)\s*;\s*(\d{1,4})\s*;\s*(.*)\s*/";

preg_match_all($postPattern, $text, $matches, PREG_SET_ORDER);
$resultPosts = array();
foreach ($matches as $match) {
    $author = htmlspecialchars($match[1]);
    $post = htmlspecialchars($match[3]);
    $likesCount = (int)$match[4];
    $comments = preg_split('/\s*\/\s*/', $match[5], -1, PREG_SPLIT_NO_EMPTY);
    $time = strtotime($match[2]);
    $date = date("j F Y", $time);
    $resultPosts[$time] = array($author, $date, $post, $likesCount, $comments);
}

krsort($resultPosts);
foreach ($resultPosts as $postInfo) {
    echo "<article><header><span>{$postInfo[0]}</span><time>{$postInfo[1]}</time></header>";
    echo "<main><p>{$postInfo[2]}</p></main><footer><div class=\"likes\">{$postInfo[3]} people like this</div>";
    if (count($postInfo[4]) > 0) {
        echo '<div class="comments">';
        foreach ($postInfo[4] as $comment) {
            echo '<p>' . htmlspecialchars(trim($comment)) . '</p>';
        }
        echo '</div>';
    }

    echo '</footer></article>';
}