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run code in 150+ php & hhvm versions
Bugs & Features
<?php function hello($data) { foreach ($data as &$item) { $item['hello'] = 'world'; } return $data; } $data = hello(array('lets', 'go', 'to', 'space')); var_dump($data);
Output for 5.4.0 - 7.1.0
Warning: Illegal string offset 'hello' in /in/UgviE on line 6 Warning: Illegal string offset 'hello' in /in/UgviE on line 6 Warning: Illegal string offset 'hello' in /in/UgviE on line 6 Warning: Illegal string offset 'hello' in /in/UgviE on line 6 array(4) { [0]=> string(4) "wets" [1]=> string(2) "wo" [2]=> string(2) "wo" [3]=> string(5) "wpace" }
Output for 5.2.1 - 5.3.29
array(4) { [0]=> string(4) "wets" [1]=> string(2) "wo" [2]=> string(2) "wo" [3]=> string(5) "wpace" }
Output for 5.0.0 - 5.2.0
array(4) { [0]=> &string(4) "wets" [1]=> &string(2) "wo" [2]=> &string(2) "wo" [3]=> string(5) "wpace" }
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/UgviE on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected '&', expecting T_VARIABLE or '$' in /in/UgviE on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/UgviE on line 5
Process exited with code 255.