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run code in 150+ php & hhvm versions
Bugs & Features
<?php $array = array("one" => 1, "two" => 2, "three" => 3, "four" => 4, "five" => 5); foreach($array as $key => &$val) { $val += 1; } var_dump($array);
Output for 5.2.1 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(5) { ["one"]=> int(2) ["two"]=> int(3) ["three"]=> int(4) ["four"]=> int(5) ["five"]=> &int(6) }
Output for 5.0.0 - 5.2.0
array(5) { ["one"]=> &int(2) ["two"]=> &int(3) ["three"]=> &int(4) ["four"]=> &int(5) ["five"]=> &int(6) }
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/7hePH on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected '&', expecting T_VARIABLE or '$' in /in/7hePH 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/7hePH on line 4
Process exited with code 255.