MongoCursor
PHP Manual

MongoCursor::valid

(PECL mongo >=0.9.0)

MongoCursor::validChecks if the cursor is reading a valid result

说明

public bool MongoCursor::valid ( void )

参数

此函数没有参数。

返回值

TRUE if the current result is not null, and FALSE otherwise.

参见


MongoCursor
PHP Manual