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run code in 150+ php & hhvm versions
Bugs & Features
<?php $list = array("A","B","C","D"); $list_same1 = $list; $list_smae2 = $list; item2($list_same1); function item2($list) { foreach ($list as $var) { print(current($list)); } } echo "--- same code ---\n"; foreach ($list_same2 as $var) { print(current($list_same2)); } ?>
Output for 5.1.0 - 5.6.28, 7.0.0 - 7.1.0
AAAA--- same code --- Notice: Undefined variable: list_same2 in /in/Z8AOD on line 20 Warning: Invalid argument supplied for foreach() in /in/Z8AOD on line 20
Output for hhvm-3.10.0 - 3.12.0
AAAA--- same code --- Notice: Undefined variable: list_same2 in /in/Z8AOD on line 23 Warning: Invalid argument supplied for foreach() in /in/Z8AOD on line 23
Output for 4.3.0 - 4.3.10, 4.4.0, 4.4.2 - 5.0.5
AAAA--- same code --- Warning: Invalid argument supplied for foreach() in /in/Z8AOD on line 20
Output for 4.4.1
BCD--- same code --- Warning: Invalid argument supplied for foreach() in /in/Z8AOD on line 20
Output for 4.3.11
AAAA--- same code ---