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<?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 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
AAAA--- same code --- Warning: Undefined variable $list_same2 in /in/Z8AOD on line 20 Warning: foreach() argument must be of type array|object, null given in /in/Z8AOD on line 20
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.33
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 4.3.0 - 4.3.10, 4.4.0, 4.4.2 - 4.4.9, 5.0.0 - 5.0.5, 7.3.32 - 7.3.33
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 ---
preferences:
241.37 ms | 401 KiB | 356 Q