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run code in 200+ php & hhvm versions
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<?php $arr = array("한글한글"); $json = json_encode($arr); echo $json; $output = json_decode($json); var_dump($output);
based on d92ml
Output for 5.2.0 - 7.2.0
["\ud55c\uae00\ud55c\uae00"]array(1) { [0]=> string(12) "한글한글" }
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/r9b4m on line 4
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/r9b4m on line 4
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/r9b4m on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/r9b4m on line 4