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<?php $x = (object)[false]; var_dump($x); $x->{0} = true; var_dump($x); $x = (array)$x; var_dump($x); echo json_encode(current($x));
Output for 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
object(stdClass)#1 (1) { ["0"]=> bool(false) } object(stdClass)#1 (1) { ["0"]=> bool(true) } array(1) { [0]=> bool(true) } true
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20
object(stdClass)#1 (1) { [0]=> bool(false) } object(stdClass)#1 (2) { [0]=> bool(false) ["0"]=> bool(true) } array(2) { [0]=> bool(false) ["0"]=> bool(true) } false
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/aRBnl on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/aRBnl on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/aRBnl on line 2
Process exited with code 255.

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