就是把键和值都移除..
<code>foreach($arr as $k => $v )
{
if($v>10)
删除arr[$k]
}
</code>就是把键和值都移除..
<code>foreach($arr as $k => $v )
{
if($v>10)
删除arr[$k]
}
</code>
<code>$arr = [
'test' => 'test',
'test1' => 'test1'
];
unset($arr['test'])
print_r($arr);
#####输出
[
'test1' => 'test1'
]</code>
