3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $foo = array("a", "b", "c"); foreach ($foo as &$bar) echo $bar; echo "\n"; print_r($foo); foreach ($foo as $bar) echo $bar; echo "\n";
Output for 5.0.0 - 7.1.0
abc Array ( [0] => a [1] => b [2] => c ) abb
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/pV2mf on line 3
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 '$' in /in/pV2mf on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/pV2mf on line 3
Process exited with code 255.