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run code in 150+ php & hhvm versions
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<?php echo json_encode(array('ÇüéâäàåçêëèïîìÄÅ'));
Output for 5.2.0 - 7.1.0
["\u00c7\u00fc\u00e9\u00e2\u00e4\u00e0\u00e5\u00e7\u00ea\u00eb\u00e8\u00ef\u00ee\u00ec\u00c4\u00c5"]
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/iEJk6 on line 2
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/iEJk6 on line 2
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/iEJk6 on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/iEJk6 on line 2