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run code in 150+ php & hhvm versions
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<?php class test { const BAR = 0 + self::FOO; const FOO = 0 + self::BAR; } var_dump(test::BAR);
Output for 7.1.0
Fatal error: Uncaught Error: Cannot declare self-referencing constant 'self::FOO' in /in/LJD8H:6 Stack trace: #0 {main} thrown in /in/LJD8H on line 6
Process exited with code 255.
Output for 7.0.0 - 7.0.14
Fatal error: Uncaught Error: Cannot declare self-referencing constant 'self::BAR' in /in/LJD8H:6 Stack trace: #0 {main} thrown in /in/LJD8H on line 6
Process exited with code 255.
Output for 5.6.8 - 5.6.28
Fatal error: Cannot declare self-referencing constant 'self::BAR' in /in/LJD8H on line 6
Process exited with code 255.
Output for 5.1.0 - 5.5.35
Parse error: syntax error, unexpected '+', expecting ',' or ';' in /in/LJD8H on line 3
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '+', expecting ',' or ';' in /in/LJD8H on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_CONST, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/LJD8H on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_CONST, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/LJD8H on line 3
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/LJD8H on line 3
Process exited with code 255.