如何在php中删除数组元素?

I have array:

我有数组:

Arrays:

数组:

Array
(
[0] => Array
    (
        [name] => point
        [visibility] => 
    )

[1] => Array
    (
        [name] => php_first_table
        [visibility] => 1
    )

[2] => Array
    (
        [name] => ohz
        [visibility] => 1
    )

)
Array
(