3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $test = array(1,2,3); print_r($test); function foo($test) { foreach($test as &$test_i) { $test_i++; } } print_r($test); ?>
Output for 5.0.0 - 7.1.0
Array ( [0] => 1 [1] => 2 [2] => 3 ) Array ( [0] => 1 [1] => 2 [2] => 3 )
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/HGo3F on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected '&', expecting T_VARIABLE or '$' in /in/HGo3F 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/HGo3F on line 5
Process exited with code 255.