<?php $a = [ [ \'id\' => 33, // 这里的键名不固定 \'name\' => \'aaa\', ], [ \'id\' => 22, \'name\' => \'bbb\' ] ]; $dat = []; foreach ($a as $b) { list($k, $v) = array_values($b); $dat[$k] = $v; } var_export($dat); // 输出：array ( 33 => \'aaa\', 22 => \'bbb\', )