3v4l.org

run code in 300+ PHP versions simultaneously

sponsor
bughunt
search
recent
about

@ 2021-02-17T18:08:23Z

<?php

$blacklist = ['fu', 'bar'];
$input = 'benutzer Eingabe fu bar';

$count = preg_match_all('/(' . implode('|', $blacklist) . ')/i', $input, $matches);

If ($count > 0) {
    echo 'Böse Wörter: ' . implode(', ', $matches[0]);
}

Output
Performance
VLD
References
Branches

preg_match_all: documentation ( source)
implode: documentation ( source)

preferences:dark modelive preview

51.65 ms | 402 KiB | 5 Q