3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $x = fopen('php://stdin', 'r'); $y = ['test' => $x]; stream_select($y, $_null = null, $_null = null); var_dump($y);
based on sgJnq
Output for 7.0.0 - 7.2.0
Notice: Only variables should be passed by reference in /in/TcZnQ on line 5 Notice: Only variables should be passed by reference in /in/TcZnQ on line 5 Warning: stream_select() expects at least 4 parameters, 3 given in /in/TcZnQ on line 5 array(1) { ["test"]=> resource(5) of type (stream) }
Output for 5.4.11 - 5.6.28
Strict Standards: Only variables should be passed by reference in /in/TcZnQ on line 5 Strict Standards: Only variables should be passed by reference in /in/TcZnQ on line 5 Warning: stream_select() expects at least 4 parameters, 3 given in /in/TcZnQ on line 5 array(1) { ["test"]=> resource(5) of type (stream) }
Output for 5.3.21 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/TcZnQ on line 4
Process exited with code 255.