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run code in 150+ php & hhvm versions
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<?php $email = '8w0rohd_434kd3xd@2kya--0hl3hi-rxmux6.rn'; var_dump(array( 'filter_var' => filter_var($email, FILTER_VALIDATE_EMAIL), 'preg_match' => preg_match('/^[a-z0-9!#$%&\'*+\\/=?^_`{|}~-]+(?:\\.[a-z0-9!#$%&\'*+\\/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?$/i', $email), ));
Output for 5.2.0 - 5.2.13, 5.3.0 - 5.3.2, 5.3.9 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(2) { ["filter_var"]=> string(39) "8w0rohd_434kd3xd@2kya--0hl3hi-rxmux6.rn" ["preg_match"]=> int(1) }
Output for 5.2.14 - 5.2.17, 5.3.3 - 5.3.8
array(2) { ["filter_var"]=> bool(false) ["preg_match"]=> int(1) }
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function filter_var() in /in/H3iQi on line 5
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: filter_var() in /in/H3iQi on line 5
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: filter_var() in /in/H3iQi on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: filter_var() in /in/H3iQi on line 5