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<?php $email = '0hot\'mail_check@hotmail.com'; if (filter_var($email, FILTER_VALIDATE_EMAIL)) { echo 'VALID'; } else { echo 'NOT VALID'; } var_dump($email);
Output for 5.2.0 - 5.6.38, hhvm-3.10.1 - 3.22.0, 7.0.0 - 7.3.0rc4
VALIDstring(27) "0hot'mail_check@hotmail.com"
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function filter_var() in /in/Kjb5t on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: filter_var() in /in/Kjb5t on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: filter_var() in /in/Kjb5t on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: filter_var() in /in/Kjb5t on line 3