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<?php $list = array('A', 'B', 'C', 'D'); foreach ($list as $key => &$val) { var_dump($val); //unset($list[1], $list[2], $list[3]); } echo var_dump($list);
Output for 5.2.1 - 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 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
string(1) "A" string(1) "B" string(1) "C" string(1) "D" array(4) { [0]=> string(1) "A" [1]=> string(1) "B" [2]=> string(1) "C" [3]=> &string(1) "D" }
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0
string(1) "A" string(1) "B" string(1) "C" string(1) "D" array(4) { [0]=> &string(1) "A" [1]=> &string(1) "B" [2]=> &string(1) "C" [3]=> &string(1) "D" }
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/eZ2ar on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected '&', expecting T_VARIABLE or '$' in /in/eZ2ar on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/eZ2ar on line 4
Process exited with code 255.

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