bigly-chat/libs/markdown.php

<?php
function markdown($text)
{
    $search = array(
    '~(https://[^.]+\.dervland\.net/[^\s<]+\.(png|jpg|jpeg|gif))~i',
    '~(https://[^.]+\.dervland\.net/[^\s<]+\.(mp3|wav))~i',
    '~(https://[^.]+\.dervland\.net/[^\s<]+\.(webm|mp4))~i',
    //'~(https://studio\.penguinmod\.com/[^\s<?#]*[#]([^\s<]*))~i',
    //'~(https://studio\.penguinmod\.com/[^\s<?#]*[?#]?([^\s<#]*)[#]?([^\s<]*))~i',
    '~(?:\s|^)(?:(https?)://([^\s<]+)|(www\.[^\s<]+?\.[^\s<]+))(?<![\.,:])~i',
    '~(?:@)([^\s]+)(?:\s|$)~i',
    '~(\[b\])(.*?)(\[\/b\])~i',
    '~(\[i\])(.*?)(\[\/i\])~i',
    '~(\[u\])(.*?)(\[\/u\])~i',
    '~(\[ul\])(.*?)(\[\/ul\])~i',
    '~(\[li\])(.*?)(\[\/li\])~i',
    '~(\[h\])(.*?)(\[\/h\])~i',
    '~(\[url=)(.*?)(\])(.*?)(\[\/url\])~i',
    '~(\[url\])(.*?)(\[\/url\])~i'
    );

    $replace = array(
    '<a class="link" href="$1" target="_blank"><div>$1</div><img src="$1" class="img"></a>',
    '<a class="link" href="$1" target="_blank"><div>$1</div><audio controls src="$1"></a>',
    '<a class="link" href="$1" target="_blank"><div>$1</div><video controls class="img"><source src="$1"/></video></a>',
    //'https://studio.penguinmod.com/?#$2',
    //'<a class="link" href="$1" target="_blank"><div>$1</div><iframe src="https://studio.penguinmod.com/embed?$2#$3"></iframe></a>',
    '<a class="link" href="$0" target="_blank">$0</a>',
    '<a class="link" href="/user.php?id=$1" target="_blank">@$1</a>',
    '<strong>$2</strong>',
    '<em>$2</em>',
    '<u>$2</u>',
    '<ul>$2</ul>',
    '<li>$2</li>',
    '<h2>$2</h2>',
    '<a class="link" href="$2" target="_blank">$4</a>',
    '<a class="link" href="$2" target="_blank">$2</a>'
    );

    $text = preg_replace($search, $replace, $text);

    return $text;
}
?>