3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $f = ["start" => ["lat"=> 1.234, "long"=>4.2134], "end" => ["lat"=>4.314, "long"=>51.341]]; var_dump(array_keys($f));
Output for 5.4.0 - 7.3.0
array(2) { [0]=> string(5) "start" [1]=> string(3) "end" }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/vPJiC on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/vPJiC on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/vPJiC on line 3
Process exited with code 255.