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run code in 150+ php & hhvm versions
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<?php $test = <<<EOF Re: Response to your ticket [TicketID:159] EOF; $matches = []; preg_match('/.*\[TicketID:(\d+)\]/', $test, $matches); var_dump($matches);
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
array(2) { [0]=> string(14) "[TicketID:159]" [1]=> string(3) "159" }
Output for 4.4.3 - 4.4.9, 5.1.0 - 5.1.1, 5.1.3 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/CZ3Yg on line 7
Process exited with code 255.
Output for 4.4.2, 5.1.2
Parse error: syntax error, unexpected '[' in /in/CZ3Yg on line 8
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/CZ3Yg on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/CZ3Yg on line 7
Process exited with code 255.