3v4l.org

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<?php $default_components = array('scheme', 'host', 'port', 'user', 'pass', 'path', 'query', 'fragment'); $components = array('scheme', 'host', 'user', 'pass', 'path', 'query2', 'fragment'); var_dump(array_intersect($components, $default_components));
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, 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, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(6) { [0]=> string(6) "scheme" [1]=> string(4) "host" [2]=> string(4) "user" [3]=> string(4) "pass" [4]=> string(4) "path" [6]=> string(8) "fragment" }

preferences:
221.41 ms | 406 KiB | 315 Q