3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $fields = []; $rowData = []; $fields[] = &$rowData['column1']; $fields[] = &$rowData['column2']; useRefs(...$fields); var_dump($rowData); useRefs2(...$fields); var_dump($rowData); function useRefs(&...$fields) { $fields[0] = 'col 1 value 1'; $fields[1] = 'col 2 value 1'; } function useRefs2(&...$fields) { $fields[0] = 'col 1 value 2'; $fields[1] = null; }
Output for 5.6.8 - 7.2.0
array(2) { ["column1"]=> &string(13) "col 1 value 1" ["column2"]=> &string(13) "col 2 value 1" } array(2) { ["column1"]=> &string(13) "col 1 value 2" ["column2"]=> &NULL }
Output for 5.5.24 - 5.5.35
Parse error: syntax error, unexpected '.' in /in/FqFmT on line 9
Process exited with code 255.
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '.', expecting ')' in /in/FqFmT on line 9
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/FqFmT on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/FqFmT on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/FqFmT on line 3
Process exited with code 255.