3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = "diller"; $disallowed = array("dont want this","neither this","nono"); $result = preg_replace($disallowed, "", $input); echo $result; ?>
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: preg_replace(): Delimiter must not be alphanumeric, backslash, or NUL in /in/PmXEk on line 4
Output for 5.2.5 - 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 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/PmXEk on line 4
Output for 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.4
Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/PmXEk on line 4 Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/PmXEk on line 4 Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/PmXEk on line 4 diller
Output for 4.3.0 - 4.3.10
Warning: Delimiter must not be alphanumeric or backslash in /in/PmXEk on line 4 Warning: Delimiter must not be alphanumeric or backslash in /in/PmXEk on line 4 Warning: Delimiter must not be alphanumeric or backslash in /in/PmXEk on line 4 diller
preferences:
234.12 ms | 402 KiB | 314 Q