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<?php date_default_timezone_set('America/Los_Angeles'); class Fruit implements JsonSerializable { public $type = 'Apple', $lastEaten = null; public function __construct() { $this->lastEaten = new DateTime(); } public function jsonSerialize() { return array( 'type' => $this->type, 'lastEaten' => $this->lastEaten->format(DateTime::ISO8601) ); } } echo $s = json_encode(new Fruit()); var_dump(json_decode($s));
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Return type of Fruit::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/82g21 on line 14 {"type":"Apple","lastEaten":"2013-08-20T13:50:04-0700"}object(stdClass)#1 (2) { ["type"]=> string(5) "Apple" ["lastEaten"]=> string(24) "2013-08-20T13:50:04-0700" }
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, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
{"type":"Apple","lastEaten":"2013-08-20T13:50:04-0700"}object(stdClass)#1 (2) { ["type"]=> string(5) "Apple" ["lastEaten"]=> string(24) "2013-08-20T13:50:04-0700" }
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Fatal error: Interface 'JsonSerializable' not found in /in/82g21 on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Fatal error: Call to undefined function date_default_timezone_set() in /in/82g21 on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting '{' in /in/82g21 on line 5
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
Parse error: parse error, unexpected T_STRING, expecting '{' in /in/82g21 on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'{'' in /in/82g21 on line 5
Process exited with code 255.
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270.37 ms | 401 KiB | 354 Q