I compared the output from JSON_ARRAY () in mariaDB and json_encode () in php-5.6.31.
I have found that some of the Czech accent characters are not properly converted to number code (connection setting: SET NAMES UTF8):
$row = $this->database->query("SELECT JSON_ARRAY('1. ě 2. š 3. č 4. ř 5. ž 6. ý 7. á 8. í 9. é 10. ů 11. ú') AS json_data")->fetch();
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$json_test = [
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'mysql' => $row->json_data,
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'php' => json_encode('1. ě 2. š 3. č 4. ř 5. ž 6. ý 7. á 8. í 9. é 10. ů 11. ú'),
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];
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die(var_dump($json_test));
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And here is output:
array(2) {
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["mysql"]=>
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string(90) "["1. \u011B 2. \u0161 3. \u010D 4. \u0159 5. \u017E 6. ? 7. ? 8. ? 9. ? 10. \u016F 11. ?"]"
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["php"]=>
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string(113) ""1. \u011b 2. \u0161 3. \u010d 4. \u0159 5. \u017e 6. \u00fd 7. \u00e1 8. \u00ed 9. \u00e9 10. \u016f 11. \u00fa""
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}
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- relates to
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MDEV-23890
JSON_ARRAY utf8mb4 encoding error
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Open
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