3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $spell = array("double", "toil", "trouble", "cauldron", "bubble"); foreach ($spell as &$word) { $word = ucfirst($word); } foreach ($spell as $word) { echo $word . "\n"; }
Output for 5.0.0 - 7.1.0
Double Toil Trouble Cauldron Cauldron
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/bjmRU 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 '$' in /in/bjmRU on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/bjmRU on line 3
Process exited with code 255.