3v4l.org

run code in 300+ PHP versions simultaneously
<?php $to = 'me@rishabhverma.me'; $subject = 'the subject'; $message = 'hello'; $headers = 'From: webmaster@example.com' . "\r\n" . 'Reply-To: webmaster@example.com' . "\r\n" . 'X-Mailer: PHP/' . phpversion(); mail($to, $subject, $message, $headers); ?>
Output for 4.3.0, 5.4.39 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10
Warning: mail() has been disabled for security reasons in /in/8VKeV on line 9
Output for 5.3.25 - 5.3.29, 5.4.16 - 5.4.38
sh: 1: /usr/bin/sendmail: not found
Output for 4.3.1 - 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 - 5.3.9, 5.3.11 - 5.3.24, 5.4.0 - 5.4.15
sh: 1: /usr/sbin/sendmail: not found
Output for 5.3.10
sh: 1: -t: not found

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140.62 ms | 401 KiB | 175 Q