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<?php $arr = ['one', 'two', 'three', 'four', 'five']; foreach($arr as $elem) { var_dump(current($arr)); } foreach(&$arr as $elem) { var_dump(current($arr)); }
Output for 5.4.0 - 5.4.44, 5.5.24 - 5.5.28, 5.6.7 - 5.6.12
Parse error: syntax error, unexpected '&' in /in/sOjK0 on line 9
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/sOjK0 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/sOjK0 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/sOjK0 on line 3
Process exited with code 255.

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