3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(json_encode([], JSON_PRETTY_PRINT));
Output for 5.4.28 - 5.4.45, 5.5.12 - 7.1.0
string(2) "[]"
Output for 5.4.0 - 5.4.27, 5.5.0 - 5.5.11
string(4) "[ ]"
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ')' in /in/oE6MK 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 '[', expecting ')' in /in/oE6MK on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/oE6MK on line 3
Process exited with code 255.