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run code in 150+ php & hhvm versions
Bugs & Features
<?php echo json_encode([], JSON_FORCE_OBJECT); echo json_encode(['test' => []], JSON_FORCE_OBJECT); echo json_encode(['test' => [1,2,3]], JSON_FORCE_OBJECT);
based on 2KuI5
Output for hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Use of undefined constant  JSON_FORCE_OBJECT - assumed ' JSON_FORCE_OBJECT' in /in/eCgFg on line 4 Warning: json_encode() expects parameter 2 to be integer, string given in /in/eCgFg on line 4 Notice: Use of undefined constant  JSON_FORCE_OBJECT - assumed ' JSON_FORCE_OBJECT' in /in/eCgFg on line 5 Warning: json_encode() expects parameter 2 to be integer, string given in /in/eCgFg on line 5 Notice: Use of undefined constant  JSON_FORCE_OBJECT - assumed ' JSON_FORCE_OBJECT' in /in/eCgFg on line 6 Warning: json_encode() expects parameter 2 to be integer, string given in /in/eCgFg on line 6
Output for 5.4.0 - 5.6.28
Notice: Use of undefined constant  JSON_FORCE_OBJECT - assumed ' JSON_FORCE_OBJECT' in /in/eCgFg on line 4 Warning: json_encode() expects parameter 2 to be long, string given in /in/eCgFg on line 4 Notice: Use of undefined constant  JSON_FORCE_OBJECT - assumed ' JSON_FORCE_OBJECT' in /in/eCgFg on line 5 Warning: json_encode() expects parameter 2 to be long, string given in /in/eCgFg on line 5 Notice: Use of undefined constant  JSON_FORCE_OBJECT - assumed ' JSON_FORCE_OBJECT' in /in/eCgFg on line 6 Warning: json_encode() expects parameter 2 to be long, string given in /in/eCgFg on line 6
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ')' in /in/eCgFg on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[', expecting ')' in /in/eCgFg on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/eCgFg on line 4
Process exited with code 255.