3v4l.org

run code in 300+ PHP versions simultaneously
<?php $address = 'yuki_fujii@dwango.co.jp'; $subject = 'タイトル'; $message = '本文'; $header = "Content-Transfer-Encoding: BASE64\r\nContent-Type: text/plain; charset=UTF-8\r\nFrom: smile@smile-fjyuu-vagrant\r\nMime-Version: 1.0\r\n"; mb_send_mail($address , $subject , $message , $header);
Output for 7.3.19 - 7.3.33, 7.4.7 - 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
Warning: mb_send_mail(): Could not execute mail delivery program '/usr/sbin/sendmail -t -i' in /in/t3OBa on line 7
Output for 7.2.29 - 7.2.33, 7.3.16 - 7.3.18, 7.4.3 - 7.4.6
Warning: mb_send_mail(): Could not execute mail delivery program ' -t -i ' in /in/t3OBa on line 7
Output for 5.4.2 - 5.4.41, 5.5.24 - 5.5.25, 5.6.8 - 5.6.9, 7.2.0 - 7.2.6, 7.4.0
Output for 5.4.42 - 5.4.45, 5.5.26 - 5.5.35, 5.6.10 - 5.6.28, 7.0.3 - 7.0.20, 7.1.0 - 7.1.20
Warning: mb_send_mail(): Multiple or malformed newlines found in additional_header in /in/t3OBa on line 7
Output for 7.0.0 - 7.0.2

Process exited with code 139.
preferences:
211.53 ms | 401 KiB | 225 Q