3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $input = 0 => Array( Array ( 0 => 1 ) 1 => Array ( 0 => 2 ) ); $result = call_user_func_array("array_merge", $input); var_export($result);
Output for 5.4.0 - 5.4.23
Parse error: syntax error, unexpected '=>' (T_DOUBLE_ARROW) in /in/sqt3L on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_DOUBLE_ARROW in /in/sqt3L on line 2
Process exited with code 255.