# SQLite3Result::columnName

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

SQLite3Result::columnName — Returns the name of the nth column

### 说明

public SQLite3Result::columnName(int `$column`): string|false

Returns the name of the column specified by the `column`. Note that the name of a result column is the value of the `AS` clause for that column, if there is an `AS` clause. If there is no `AS` clause then the name of the column is unspecified and may change from one release of libsqlite3 to the next.

### 参数

`column`

  The numeric zero-based index of the column.

### 返回值

Returns the string name of the column identified by `column`, or `false` if the column does not exist.

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