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run code in 300+ PHP versions simultaneously
<?php $email = 'johnsnow@foo.com'; $dictionary = array('aero', 'arpa', 'asia', 'biz', 'cat', 'com', 'coop', 'edu', 'gov', 'info', 'int', 'jobs', 'mil', 'mobi', 'museum', 'name', 'net', 'org', 'pro', 'tel', 'travel'); $expression = '^[a-z0-9_-]+(?:[a-z0-9._%+-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\\.)+(?:[A-Z]{2}|' . implode('|', $dictionary) . ')$'; return mb_eregi($expression, $email) !== false ?>
Output for 4.3.4 - 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
Output for 4.3.2 - 4.3.3
Fatal error: Call to undefined function: mb_eregi() in /in/cFuqP on line 7
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: mb_eregi() in /in/cFuqP on line 7

preferences:
291.26 ms | 401 KiB | 460 Q