3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $arr = ['one', 'two', 'three', 'four', 'five']; echo 'foreach on $arr' . PHP_EOL; foreach($arr as $elem) { var_dump(current($arr)); } echo 'foreach on $refArr' . PHP_EOL; $refArr = &$arr; foreach($refArr as $elem) { var_dump(current($arr)); }
based on BT7b4
Output for 7.0.0 - 7.2.0
foreach on $arr string(3) "one" string(3) "one" string(3) "one" string(3) "one" string(3) "one" foreach on $refArr string(3) "one" string(3) "one" string(3) "one" string(3) "one" string(3) "one"
Output for 5.4.0 - 5.6.28
foreach on $arr string(3) "two" string(3) "two" string(3) "two" string(3) "two" string(3) "two" foreach on $refArr string(3) "two" string(5) "three" string(4) "four" string(4) "five" bool(false)
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/IIHG4 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/IIHG4 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/IIHG4 on line 3
Process exited with code 255.