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<?php var_dump(json_decode('{"":""}')); var_dump(json_decode('{"":""}', 1));
Output for 7.1.0
object(stdClass)#1 (1) { [""]=> string(0) "" } array(1) { [""]=> string(0) "" }
Output for 5.2.3 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.0.14
object(stdClass)#1 (1) { ["_empty_"]=> string(0) "" } array(1) { [""]=> string(0) "" }
Output for 5.2.0 - 5.2.2
object(stdClass)#1 (1) { ["_empty_"]=> string(0) "" } array(1) { ["_empty_"]=> string(0) "" }
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_decode() in /in/X16Md 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/X16Md 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/X16Md 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/X16Md on line 2