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<?php var_dump(json_decode('{"a": 1}')); var_dump(json_decode('{"1": 1}')); var_dump(json_decode('{a: 1, "a": 1}')); // invalid JSON var_dump(json_decode('{"a\u0000b: 1}'));
based on YG2Tl
Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.27, 7.4.0 - 7.4.15, 8.0.0 - 8.0.2
object(stdClass)#1 (1) { ["a"]=> int(1) } object(stdClass)#1 (1) { ["1"]=> int(1) } NULL NULL
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Call to undefined function json_decode() in /in/nncBo 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/nncBo on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: json_decode() in /in/nncBo 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/nncBo on line 2