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<?php $headers = "Server: lolcatplus\nContent-Type: many/lolcats\n"; $regex1 = '/^(.+): (.+)$/m'; $regex2 = '/^(.+): (.+)$/'; $matches = array(); preg_match($regex1, $headers, $matches); var_dump($matches); $matches = array(); preg_match($regex2, $headers, $matches); var_dump($matches);
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, 5.5.0 - 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, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(3) { [0]=> string(18) "Server: lolcatplus" [1]=> string(6) "Server" [2]=> string(10) "lolcatplus" } array(0) { }
preferences:
340.03 ms | 406 KiB | 460 Q