Online PHP editor | refs for gOKjq

@ 2020-04-26T21:47:07Z

<?php

$tests = ['hi', 'hi<', 'what&now', '', '&gt;', "\t"];
foreach ($tests as $test) {
    if (!preg_match('~^[^ <>&\t]+$~', $test)) {
        $test = 'anonymous';
    }
    echo "$test\n";
}