3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $arr = array ( [0] => 'test' ); $result = call_user_func_array('array_merge', $arr); print_r($arr);
Output for hhvm-3.10.0 - 3.12.0
Warning: Invalid operand type was used: Invalid type used as key in /in/0VGWH on line 5 Warning: array_merge() expects at least 1 parameter, 0 given in /in/0VGWH on line 8 Array ( )
Output for 5.4.0 - 5.6.28
Warning: Illegal offset type in /in/0VGWH on line 6 Warning: array_merge() expects at least 1 parameter, 0 given in /in/0VGWH on line 8 Array ( )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.28
Parse error: syntax error, unexpected '[', expecting ')' in /in/0VGWH on line 5
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/0VGWH on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/0VGWH on line 5
Process exited with code 255.