PHP怎么删除数组元素?

Question

就是把键和值都移除..

foreach($arr as $k => $v )
{
    if($v>10)
        删除arr[$k]

}

Answer 1

$arr = [
    'test' => 'test',
    'test1' => 'test1'
];

unset($arr['test'])

print_r($arr);

#####输出
[
    'test1' => 'test1'
]