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<?php function NC($x){ return ($x ?? "Foo"); } NC(NULL); // I know this will return "Foo". /* But I have no clue about what these will return. */ var_dump(NC(0)); var_dump(NC(-1)); var_dump(NC("")); var_dump(NC(array()); var_dump(NC("banana"));
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.29, 5.6.8 - 5.6.13
Parse error: syntax error, unexpected '?' in /in/tTqA1 on line 4
Process exited with code 255.
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