<?php
$urls = [
"https://m...content-available-to-author-only...d.pt/sdashdasda",
"https://m...content-available-to-author-only...o.nz/hfghfghf",
"https://o...content-available-to-author-only...r.com/1gfdg5d4",
];
foreach($urls as $url) {
echo "https://p...content-available-to-author-only...r.com/?url=" . base64_encode($url), PHP_EOL
; }
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