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<?php $tmp = (object)array("type" => false, "value1" => ""); $array = array(); array_push($array, $tmp); echo json_encode($array); array_unshift($data, $tmp); echo json_encode($array);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
[{"type":false,"value1":""}] Fatal error: Uncaught TypeError: array_unshift(): Argument #1 ($array) must be of type array, null given in /in/Z2vZW:6 Stack trace: #0 /in/Z2vZW(6): array_unshift(NULL, Object(stdClass)) #1 {main} thrown in /in/Z2vZW on line 6
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 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 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
[{"type":false,"value1":""}] Warning: array_unshift() expects parameter 1 to be array, null given in /in/Z2vZW on line 6 [{"type":false,"value1":""}]
Output for 5.2.0 - 5.2.17
[{"type":false,"value1":""}] Warning: array_unshift(): The first argument should be an array in /in/Z2vZW on line 6 [{"type":false,"value1":""}]
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/Z2vZW on line 5
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/Z2vZW on line 5
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_encode() in /in/Z2vZW on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/Z2vZW on line 5

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