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run code in 150+ php & hhvm versions
Bugs & Features
<?php function foo($content, $keys) { return sizeof($keys) === 0 ? $content : foo([array_pop($keys) => $content], $keys); } print_r(foo('bar', ['a', 'b', 'c', 'd', 'e']));
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [a] => Array ( [b] => Array ( [c] => Array ( [d] => Array ( [e] => bar ) ) ) ) )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ')' in /in/2tcJ5 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 '[', expecting ')' in /in/2tcJ5 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/2tcJ5 on line 3
Process exited with code 255.