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<?php $host = parse_url($_SERVER['SERVER_NAME']); preg_match('/(.*?)((\.co)?[a-z]{2,4})$/i', $host['host'], $m); $ext = isset($m[2]) ? $m[2]: 'nl'; var_dump($ext);
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined array key "SERVER_NAME" in /in/LIj5J on line 2 Deprecated: parse_url(): Passing null to parameter #1 ($url) of type string is deprecated in /in/LIj5J on line 2 Warning: Undefined array key "host" in /in/LIj5J on line 3 Deprecated: preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated in /in/LIj5J on line 3 string(2) "nl"
Output for 8.0.0 - 8.0.30
Warning: Undefined array key "SERVER_NAME" in /in/LIj5J on line 2 Warning: Undefined array key "host" in /in/LIj5J on line 3 string(2) "nl"
Output for 5.5.0 - 5.5.35, 5.6.0 - 5.6.21, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Undefined index: SERVER_NAME in /in/LIj5J on line 2 Notice: Undefined index: host in /in/LIj5J on line 3 string(2) "nl"
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 7.3.32 - 7.3.33, 7.4.26
string(2) "nl"
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242.27 ms | 403 KiB | 342 Q