Online PHP editor | output for SYQKP

Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Parse error: syntax error, unexpected string content "err" in /in/SYQKP(9) : eval()'d code on line 1
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33: Parse error: syntax error, unexpected ''err' (T_ENCAPSED_AND_WHITESPACE) in /in/SYQKP(9) : eval()'d code on line 1
Process exited with code 255.
Output for 5.5.0 - 5.5.35, 5.6.0 - 5.6.28: Parse error: syntax error, unexpected ''err' (T_ENCAPSED_AND_WHITESPACE) in /in/SYQKP(9) : eval()'d code on line 1
Output for 5.4.11 - 5.4.45: Parse error: syntax error, unexpected ''err' (T_ENCAPSED_AND_WHITESPACE), expecting ')' in /in/SYQKP(9) : eval()'d code on line 1
Output for 5.4.0 - 5.4.10: Parse error: syntax error, unexpected ''err' (T_ENCAPSED_AND_WHITESPACE), expecting ')' in /in/SYQKP(9) : eval()'d code on line 1
Process exited with code 255.
Output for 5.3.0 - 5.3.29: Parse error: syntax error, unexpected T_ENCAPSED_AND_WHITESPACE, expecting ')' in /in/SYQKP(9) : eval()'d code on line 1
Process exited with code 255.
Output for 5.2.3 - 5.2.17: Warning: Unexpected character in input: ''' (ASCII=39) state=1 in /in/SYQKP(9) : eval()'d code on line 1 Parse error: syntax error, unexpected $end in /in/SYQKP(9) : eval()'d code on line 1
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.2: Parse error: syntax error, unexpected $end in /in/SYQKP(9) : eval()'d code on line 1 
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, 5.0.0 - 5.0.5: Parse error: parse error, unexpected $ in /in/SYQKP(9) : eval()'d code on line 1 
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/SYQKP(9) : eval()'d code on line 1 
Process exited with code 255.