3v4l.org

run code in 300+ PHP versions simultaneously
<?php $url = "http\u00253A\u00252F\u00252Fwww.splicecommunity.com\u00252Fmedia\u00252F5735709\u00252Fadbne_hero-1.jpg"; function replace_unicode_escape_sequence($match) { return mb_convert_encoding(pack('H*', $match[1]), 'UTF-8', 'UCS-2BE'); } $url = preg_replace_callback('/\\\\u([0-9a-f]{4})/i', 'replace_unicode_escape_sequence', $url); echo $url;
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
http%3A%2F%2Fwww.splicecommunity.com%2Fmedia%2F5735709%2Fadbne_hero-1.jpg

preferences:
245.15 ms | 405 KiB | 325 Q