📅  最后修改于: 2022-03-11 14:54:46.229000             🧑  作者: Mango
$arr = array('a' => 1, 'b' => 2, 'c' => 3);
unset($arr['b']);
// RESULT: array('a' => 1, 'c' => 3)
$arr = array(1, 2, 3);
array_splice($arr, 1, 1);
// RESULT: array(0 => 1, 1 => 3)