3v4l.org

run code in 300+ PHP versions simultaneously
<?php $key = "translations.fr.idTranslation"; $value = 4; $keys = explode('.', $key); $x = count($keys) - 1; $temp = array($keys[$x] => $value); for($i = $x-1; $i >= 0; $i--) { $temp = array($keys[$i] => $temp); } var_dump($temp);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
array(1) { ["translations"]=> array(1) { ["fr"]=> array(1) { ["idTranslation"]=> int(4) } } }
preferences:
100.58 ms | 408 KiB | 5 Q