3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = new stdClass; $data->a = 13; $data->b = 42; $var = &get1($data, true); $var = 14; var_dump($data); $var2 = &get2($data, false); $var2 = 43; var_dump($data); function &get1($data, $isA) { if($isA) { return $data->a; } else { return $data->b; } } function &get2($data, $isA) { return $isA ? $data->a : $data->b; }
based on ovNeB
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.20 - 5.4.45, 5.5.2 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.28, 7.4.0 - 7.4.16, 8.0.0 - 8.0.3
object(stdClass)#1 (2) { ["a"]=> &int(14) ["b"]=> int(42) } Notice: Only variable references should be returned by reference in /in/2Q9ai on line 24 object(stdClass)#1 (2) { ["a"]=> &int(14) ["b"]=> int(42) }
Output for 5.4.0 - 5.4.19, 5.5.0 - 5.5.1
object(stdClass)#1 (2) { ["a"]=> &int(14) ["b"]=> int(42) } Notice: Only variable references should be returned by reference in /in/2Q9ai on line 24 object(stdClass)#1 (2) { ["a"]=> &int(14) ["b"]=> &int(43) }
Output for 5.0.0 - 5.0.5
object(stdClass)#1 (2) { ["a"]=> &int(14) ["b"]=> int(42) } Strict Standards: Only variable references should be returned by reference in /in/2Q9ai on line 24 object(stdClass)#1 (2) { ["a"]=> &int(14) ["b"]=> int(42) }
Output for 4.4.0 - 4.4.9
object(stdClass)(2) { ["a"]=> int(13) ["b"]=> int(42) } Notice: Only variable references should be returned by reference in /in/2Q9ai on line 24 object(stdClass)(2) { ["a"]=> int(13) ["b"]=> int(42) }
Output for 4.3.0 - 4.3.11
object(stdClass)(2) { ["a"]=> int(13) ["b"]=> int(42) } object(stdClass)(2) { ["a"]=> int(13) ["b"]=> int(42) }