📅  最后修改于: 2022-03-11 14:53:47.133000             🧑  作者: Mango
foreach ($array as $key => $element) {
if ($key === array_key_first($array)) {
echo 'FIRST ELEMENT!';
}
if ($key === array_key_last($array)) {
echo 'LAST ELEMENT!';
}
}