3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php // &$a,&$b,&$c,&$d function do_stuff() { $args = func_get_args(); foreach ($args as &$arg) { $arg += 1; } } $a = 1; $b = 2; $c = 3; $d = 4; print_r(array($a,$b,$c,$d)); do_stuff($a,$b,$c,$d); print_r(array($a,$b,$c,$d));
based on AWtLr
Output for 5.0.0 - 7.2.0
Array ( [0] => 1 [1] => 2 [2] => 3 [3] => 4 ) Array ( [0] => 1 [1] => 2 [2] => 3 [3] => 4 )
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/Ul1b5 on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected '&', expecting T_VARIABLE or '$' in /in/Ul1b5 on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/Ul1b5 on line 5
Process exited with code 255.