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
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