Php/docs/mongodb-driver-cursor.valid

• PHP Manual
• MongoDB\Driver\Cursor
• Checks if the current position in the cursor is valid

MongoDB\Driver\Cursor::valid

(mongodb >=1.9.0)

MongoDB\Driver\Cursor::valid — Checks if the current position in the cursor is valid

说明

public MongoDB\Driver\Cursor::valid ( ) : bool

参数

此函数没有参数。

返回值

true if the current cursor position is valid, false otherwise.

参见

• Iterator::valid() - 检查当前位置是否有效