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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}'));
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 4.3.0 - 4.3.1, 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
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 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.34, 8.3.0 - 8.3.35, 8.4.1 - 8.4.26, 8.5.0 - 8.5.11
object(stdClass)#1 (1) { ["a"]=> int(1) } object(stdClass)#1 (1) { ["1"]=> int(1) } NULL NULL

preferences:
37.33 ms | 1152 KiB | 15 Q