3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = Array( Array ( [0] => "http://island-ikaria.com/" ), Array ( [0] => "http://en.wikipedia.org/wiki/Icaria" ) ); $result = call_user_func_array("array_merge", $input); var_export($result);
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.36, 5.6.0 - 5.6.28
Warning: Illegal offset type in /in/jFPnq on line 6 Warning: Illegal offset type in /in/jFPnq on line 10 array ( )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.27
Parse error: syntax error, unexpected '[', expecting ')' in /in/jFPnq on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[', expecting ')' in /in/jFPnq on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/jFPnq on line 5
Process exited with code 255.
preferences:
277.83 ms | 1395 KiB | 193 Q