3v4l.org

run code in 300+ PHP versions simultaneously
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Output for 7.0.33, 7.1.25 - 7.1.31, 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 - 8.1.32, 8.2.0 - 8.2.28, 8.3.0 - 8.3.19, 8.4.1 - 8.4.5
string(15) "example.org/wat" bool(false)
Output for 5.6.38 - 5.6.40
Notice: Use of undefined constant FILTER_VALIDATE_DOMAIN - assumed 'FILTER_VALIDATE_DOMAIN' in /in/QRW3K on line 4 Warning: filter_var() expects parameter 2 to be long, string given in /in/QRW3K on line 4 Notice: Use of undefined constant FILTER_VALIDATE_DOMAIN - assumed 'FILTER_VALIDATE_DOMAIN' in /in/QRW3K on line 5 Notice: Use of undefined constant FILTER_FLAG_HOSTNAME - assumed 'FILTER_FLAG_HOSTNAME' in /in/QRW3K on line 5 Warning: filter_var() expects parameter 2 to be long, string given in /in/QRW3K on line 5 NULL NULL
preferences:
94.59 ms | 413 KiB | 5 Q