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run code in 150+ php & hhvm versions
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<?php preg_match_all("/(?:"?([^"]*)"?\s)?(?:<?(.+@[^>]+)>?)/", "John <johndoe@example.com>", $name_and_email); var_dump($name_and_email);
Output for 5.4.0 - 5.4.26
Parse error: syntax error, unexpected '^', expecting ']' in /in/Ns6Sf on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected '[' in /in/Ns6Sf on line 3
Process exited with code 255.