Online PHP editor | output for 0oIl7

Output for 5.3.0 - 5.3.26, 5.4.0 - 5.4.16, 7.2.20 - 7.2.33, 7.3.7 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.19, 7.3.0 - 7.3.6: Fatal error: Uncaught Error: Writing to DatePeriod properties is unsupported in /in/0oIl7:9 Stack trace: #0 {main} thrown in /in/0oIl7 on line 9
Process exited with code 255.
Output for 5.3.27 - 5.3.29, 5.4.17 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.30, 7.0.0 - 7.0.20: Fatal error: main(): Writing to DatePeriod properties is unsupported in /in/0oIl7 on line 9
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17: Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/0oIl7 on line 3 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/0oIl7 on line 8 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/0oIl7 on line 8 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/0oIl7 on line 8 Fatal error: Class 'DatePeriod' not found in /in/0oIl7 on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9: Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/0oIl7 on line 3 Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/0oIl7 on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1: Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/0oIl7 on line 3 Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/0oIl7 on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/0oIl7 on line 3 Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/0oIl7 on line 5
Process exited with code 255.