原数组:
$array = array(
'name' => 'hotel',
'remark' => '',
'bed-1' => 1,
'bed-2' => 2,
'bed-3' => 3,
)
函数:
$filtered = array_filter($array, function ($key) {
return strpos($key, 'bed-') === 0;
}, ARRAY_FILTER_USE_KEY);
新数组:
$filtered = array(
'bed-1' => 1,
'bed-2' => 2,
'bed-3' => 3,
)