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<?php //Source: https://bugs.php.net/bug.php?id=63898 $key = "Foo " . chr(163); $array = array($key => ""); print_r($array); $json = json_encode($array); echo "JSON:".$json."\n"; var_dump("JSON:", json_decode($json));
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Array ( [Foo �] => ) JSON: string(5) "JSON:" NULL
Output for 5.2.7 - 5.2.17, 5.3.0 - 5.3.13, 5.3.15 - 5.3.29, 5.4.0 - 5.4.45
Array ( [Foo �] => ) JSON:{null:""} string(5) "JSON:" NULL
Output for 5.3.14
Array ( [Foo �] => ) Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/cBHtJ on line 9 JSON: string(5) "JSON:" NULL
Output for 5.2.0 - 5.2.6
Array ( [Foo �] => ) JSON:{"Foo ":""} string(5) "JSON:" object(stdClass)#1 (1) { ["Foo "]=> string(0) "" }
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Array ( [Foo �] => ) Fatal error: Call to undefined function json_encode() in /in/cBHtJ on line 9
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Array ( [Foo �] => ) Fatal error: Call to undefined function: json_encode() in /in/cBHtJ on line 9
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Array ( [Foo �] => ) Fatal error: Call to undefined function: json_encode() in /in/cBHtJ on line 9
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Array ( [Foo �] => ) Fatal error: Call to undefined function: json_encode() in /in/cBHtJ on line 9

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