Online PHP editor | output for OnKD9

Output for 7.1.20 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.32, 8.2.0 - 8.2.28, 8.3.0 - 8.3.20, 8.4.1 - 8.4.6: Fatal error: Uncaught Error: Call to undefined function openssl_pkcs7_sign() in /in/OnKD9:61 Stack trace: #0 {main} thrown in /in/OnKD9 on line 61
Process exited with code 255.
Output for 7.0.0 - 7.0.5, 7.0.7 - 7.0.10, 7.0.12 - 7.0.19, 7.1.0, 7.1.2 - 7.1.7: bool(true)
Output for 7.1.1: Warning: file_get_contents(/tmp/testIqGhfY): failed to open stream: No such file or directory in /in/OnKD9 on line 70 bool(false)
Output for 7.0.20: Warning: file_get_contents(/tmp/testOOQife): failed to open stream: No such file or directory in /in/OnKD9 on line 70 bool(false)
Output for 7.0.11: Warning: file_get_contents(/tmp/teste2pL9t): failed to open stream: No such file or directory in /in/OnKD9 on line 70 bool(false)
Output for 7.0.6: Warning: file_get_contents(/tmp/test0l838p): failed to open stream: No such file or directory in /in/OnKD9 on line 70 bool(false)