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run code in 200+ php & hhvm versions
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<?php $input = '["\\ud55c"]'; var_dump(json_decode($input));
based on d92ml
Output for 5.2.0 - 7.2.0
array(1) { [0]=> string(3) "한" }
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_decode() in /in/tNQ0j on line 4
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_decode() in /in/tNQ0j on line 4
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_decode() in /in/tNQ0j on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_decode() in /in/tNQ0j on line 4