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run code in 150+ php & hhvm versions
Bugs & Features
<?php $arr = array("foo", "bar", "baz"); foreach ($arr as &$item) { /* do nothing by reference */ } print_r($arr); foreach ($arr as $item) { /* do nothing by value */ } print_r($arr); // $arr has changed....why?
Output for 5.0.0 - 5.0.5, 5.1.1 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [0] => foo [1] => bar [2] => baz ) Array ( [0] => foo [1] => bar [2] => bar )
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/iH6UI on line 10
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/iH6UI on line 6
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 '$' in /in/iH6UI on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/iH6UI on line 6
Process exited with code 255.