3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array("a" =>"b", "c"=>"d"); if(isset($a['a'])) echo "hi"; else echo "hello"; $b = array("a","b","c"); if(in_array('a',$b)) echo "hi"; else echo "hello"; json_encode(array_merge(array("1","2"), array("2","3","4")));
Output for 5.2.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
hihi
Output for 5.0.0 - 5.1.6
hihi Fatal error: Call to undefined function json_encode() in /in/bojc6 on line 18
Process exited with code 255.
Output for 4.4.5 - 4.4.9
hihi Fatal error: Call to undefined function: json_encode() in /in/bojc6 on line 18
Process exited with code 255.
Output for 4.3.2 - 4.4.4
hihi Fatal error: Call to undefined function: json_encode() in /in/bojc6 on line 18
Process exited with code 255.
Output for 4.3.0 - 4.3.1
hihi Fatal error: Call to undefined function: json_encode() in /in/bojc6 on line 18