3v4l.org

run code in 500+ PHP versions simultaneously
<?php $arr = ['ka' => 'va', 'kb' => 'vb', 'kc' => 'vc']; $part = array_slice($arr, 1, 1, true); $key = key($part); $value = current($part); var_dump($arr, $part, $key, $value);
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 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 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
array(3) { ["ka"]=> string(2) "va" ["kb"]=> string(2) "vb" ["kc"]=> string(2) "vc" } array(1) { ["kb"]=> string(2) "vb" } string(2) "kb" string(2) "vb"
preferences:
30.56 ms | 1973 KiB | 4 Q