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<?php var_dump(json_decode(json_encode(array("foo\0bar" => "xyz\0qwe")), true), json_encode(array("foo\0bar" => "xyz\0qwe")));
Output for 5.2.2 - 7.1.0
array(1) { ["foobar"]=> string(7) "xyzqwe" } string(31) "{"foo\u0000bar":"xyz\u0000qwe"}"
Output for 5.2.0 - 5.2.1
NULL string(21) "{"foobar":"xyzqwe"}"
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_decode() in /in/8f7jE on line 2
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_decode() in /in/8f7jE on line 2
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_decode() in /in/8f7jE on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_decode() in /in/8f7jE on line 2