Online PHP editor | output for tDOsd

Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3: string(8) "Error : " string(54) "Attempting to use non-attribute class "y" as attribute"
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33: Parse error: syntax error, unexpected 'try' (T_TRY) in /in/tDOsd on line 10
Process exited with code 255.
Output for 5.4.0 - 5.4.45: Parse error: syntax error, unexpected 'try' (T_TRY), expecting ')' in /in/tDOsd on line 10
Process exited with code 255.
Output for 5.3.0 - 5.3.29: Parse error: syntax error, unexpected T_TRY, expecting ')' in /in/tDOsd on line 10
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17: Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/tDOsd on line 8 Parse error: syntax error, unexpected T_TRY, expecting ')' in /in/tDOsd on line 10
Process exited with code 255.
Output for 5.0.0 - 5.0.5: Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/tDOsd on line 8 Parse error: parse error, unexpected T_TRY, expecting ')' in /in/tDOsd on line 10
Process exited with code 255.
Output for 4.4.2 - 4.4.9: Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/tDOsd on line 8 Parse error: syntax error, unexpected '{' in /in/tDOsd on line 10
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/tDOsd on line 8 Parse error: parse error, unexpected '{' in /in/tDOsd on line 10
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/tDOsd on line 8 Parse error: parse error in /in/tDOsd on line 10
Process exited with code 255.