Online PHP editor | output for hpGQv

Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: https://dev-staging-www.big-direkt.de/ratgeber/behandlung/patientenberatung.html Warning: preg_replace(): Delimiter must not be alphanumeric, backslash, or NUL in /in/hpGQv on line 5
Output for 4.3.11, 4.4.0 - 4.4.9, 5.0.2 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28: https://dev-staging-www.big-direkt.de/ratgeber/behandlung/patientenberatung.html Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/hpGQv on line 5
Output for 5.0.0 - 5.0.1: Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/hpGQv on line 4 PHP_EOLhttps://dev-staging-www.big-direkt.de/ratgeber/behandlung/patientenberatung.html Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/hpGQv on line 5 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/hpGQv on line 7 PHP_EOL
Output for 4.3.10: https://dev-staging-www.big-direkt.de/ratgeber/behandlung/patientenberatung.html Warning: Delimiter must not be alphanumeric or backslash in /in/hpGQv on line 5
Output for 4.3.0 - 4.3.9: Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/hpGQv on line 4 PHP_EOLhttps://dev-staging-www.big-direkt.de/ratgeber/behandlung/patientenberatung.html Warning: Delimiter must not be alphanumeric or backslash in /in/hpGQv on line 5 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/hpGQv on line 7 PHP_EOL