Online PHP editor | output for fZn3s

Output for 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Fatal error: Uncaught Error: Call to undefined function mail() in /in/fZn3s:3 Stack trace: #0 {main} thrown in /in/fZn3s on line 3
Process exited with code 255.
Output for 7.3.32 - 7.3.33, 8.0.13: Warning: mail(): Could not execute mail delivery program '/usr/sbin/sendmail -t -i' in /in/fZn3s on line 3 Thank you for sending us feedback
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 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33: Warning: mail() has been disabled for security reasons in /in/fZn3s on line 3 Thank you for sending us feedback
Output for 5.3.25 - 5.3.29, 5.4.16 - 5.4.38: Thank you for sending us feedback 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: Thank you for sending us feedback sh: 1: /usr/sbin/sendmail: not found
Output for 5.3.10: Thank you for sending us feedback sh: 1: -t: not found