3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = 'foo'; $b = & $a; $c = 'moo'; function evilExtractor(array $data) { foreach ($data as $key => & $value) { if (is_string($value)) { $value .= ' - modified'; } } } evilExtractor(get_defined_vars()); var_dump($a, $b);
Output for 5.1.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(25) "foo - modified - modified" string(25) "foo - modified - modified"
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/OaYVM on line 7
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_ARRAY, expecting ')' in /in/OaYVM on line 7
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_ARRAY, expecting ')' in /in/OaYVM on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/OaYVM on line 7
Process exited with code 255.