3v4l.org

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<?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 for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Böse Wörter: fu, bar

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104.01 ms | 1359 KiB | 4 Q