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run code in 150+ php & hhvm versions
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<?php $json = json_encode(array('hello' => 'world !')); var_dump($json); var_dump(json_decode($json));
Output for 5.2.0 - 7.1.0
string(19) "{"hello":"world !"}" object(stdClass)#1 (1) { ["hello"]=> string(7) "world !" }
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/4DFEB 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/4DFEB 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/4DFEB 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/4DFEB on line 3