3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $arr = array ( 0 => array(['Price'] => 1), 1 => array(['Size'] => 7), 2 => array(['Type'] => 2) ); $result = call_user_func_array('array_merge', $arr); print_r($result);
Output for hhvm-3.10.0 - 3.12.0
Warning: Invalid operand type was used: Invalid type used as key in /in/2gEVJ on line 5 Warning: Invalid operand type was used: Invalid type used as key in /in/2gEVJ on line 6 Warning: Invalid operand type was used: Invalid type used as key in /in/2gEVJ on line 7 Array ( )
Output for 5.4.0 - 5.6.28
Warning: Illegal offset type in /in/2gEVJ on line 5 Warning: Illegal offset type in /in/2gEVJ on line 6 Warning: Illegal offset type in /in/2gEVJ on line 7 Array ( )
Output for 5.2.3 - 5.3.28
Parse error: syntax error, unexpected '[', expecting ')' in /in/2gEVJ on line 5
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.2
<br /> <b>Parse error</b>: syntax error, unexpected '[', expecting ')' in <b>/in/2gEVJ</b> on line <b>5</b><br />
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
<br /> <b>Parse error</b>: parse error, unexpected '[', expecting ')' in <b>/in/2gEVJ</b> on line <b>5</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error, expecting `')'' in <b>/in/2gEVJ</b> on line <b>5</b><br />
Process exited with code 255.