- var_dump: documentation ( source)
- array_slice: documentation ( source)
- key: documentation ( source)
- current: documentation ( source)
<?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);