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run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = array('052' => 'spiderman'); var_dump(json_encode($a));
Output for 5.2.0 - 7.2.0
string(19) "{"052":"spiderman"}"
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/FjmZ7 on line 5
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/FjmZ7 on line 5
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/FjmZ7 on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/FjmZ7 on line 5