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run code in 200+ php & hhvm versions
Bugs & Features
<?php $c = ['one'=>['two' =>['t' => false]]]; $p = explode('.', 'one.two.tree'); $v = true; $cf = &$c; // Look for the key, creating nested keys if needed while ($part = array_shift($p)) { if (!isset($cf[$part]) && count($p)) { $cf[$part] = array(); } $cf = &$cf[$part]; } $cf = $v; var_dump($cf, $c);
based on VGjb1
Output for 5.4.0 - 7.2.6
bool(true) array(1) { ["one"]=> array(1) { ["two"]=> array(2) { ["t"]=> bool(false) ["tree"]=> &bool(true) } } }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/71B2V 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/71B2V on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/71B2V on line 3
Process exited with code 255.