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run code in 150+ php & hhvm versions
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<?php $test = array('test' => 't├ęst'); echo json_encode($test);
Output for 5.2.0 - 7.1.0
{"test":"t\u00e9st"}
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/09QjW on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/09QjW on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/09QjW on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/09QjW on line 3