3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $str = '%u003c%u0062%u0072%u003e%u003c%u0064%u0069%u0076%u0020%u0063%u006c%u0061%u0073%u0073%u003d%u0022%u0074%u0065%u006c%u0065%u0066%u006f%u006e%u006f%u0073%u0022%u003e%u0036%u0035%u0031%u0033%u0034%u0037%u0036%u0035%u0030%u003c%u002f%u0064%u0069%u0076%u003e'; $str = str_replace('%u', '\\u', $str); echo json_decode('"'.$str.'"');; ?>
Output for 5.6.0 - 7.2.0
<br><div class="telefonos">651347650</div>