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<?php $a instanceof $b;
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
Warning: Undefined variable $b in /in/Xnrt5 on line 3 Fatal error: Uncaught Error: Class name must be a valid object or a string in /in/Xnrt5:3 Stack trace: #0 {main} thrown in /in/Xnrt5 on line 3
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: b in /in/Xnrt5 on line 3 Fatal error: Uncaught Error: Class name must be a valid object or a string in /in/Xnrt5:3 Stack trace: #0 {main} thrown in /in/Xnrt5 on line 3
Process exited with code 255.
Output for 7.3.32 - 7.3.33
Fatal error: Uncaught Error: Class name must be a valid object or a string in /in/Xnrt5:3 Stack trace: #0 {main} thrown in /in/Xnrt5 on line 3
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
Notice: Undefined variable: b in /in/Xnrt5 on line 3 Fatal error: Class name must be a valid object or a string in /in/Xnrt5 on line 3
Process exited with code 255.
Output for 5.0.4 - 5.0.5
Notice: Undefined variable: a in /in/Xnrt5 on line 3 Notice: Undefined variable: b in /in/Xnrt5 on line 3 Fatal error: Class name must be a valid object or a string in /in/Xnrt5 on line 3
Process exited with code 255.
Output for 5.0.0 - 5.0.3
Notice: Undefined variable: a in /in/Xnrt5 on line 3 Notice: Undefined variable: b in /in/Xnrt5 on line 3 Fatal error: Class name must be a valid object or a string in /in/Xnrt5 on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/Xnrt5 on line 3
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
Parse error: parse error, unexpected T_STRING in /in/Xnrt5 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/Xnrt5 on line 3
Process exited with code 255.

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