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<?php class A {$a;} $a = new A; echo intval(is_null($a->$a));
Output for 5.4.0 - 5.4.44, 5.5.24 - 5.5.28, 5.6.8 - 5.6.12
Parse error: syntax error, unexpected '$a' (T_VARIABLE), expecting function (T_FUNCTION) in /in/VkgQK on line 2
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
Parse error: syntax error, unexpected T_VARIABLE, expecting T_FUNCTION in /in/VkgQK on line 2
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_VARIABLE, expecting T_FUNCTION in /in/VkgQK on line 2
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_VARIABLE, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/VkgQK on line 2
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_VARIABLE, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/VkgQK on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/VkgQK on line 2
Process exited with code 255.

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