MongoCommandCursor::valid

(PECL mongo >=1.5.0)

MongoCommandCursor::valid — Checks if the cursor is reading a valid result

说明

public MongoCommandCursor::valid ( void ) : bool

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

相关文章
php apcuiterator checks if current position is validphp apcu 函数 checks if entry existsphp ncurses 函数 checks if terminal has color capabilitiesphp gmagick checks if the object has more imagesphp imagick checks if the current item is validphp iteratoriterator checks if the iterator is validphp mongocommandcursor checks if there are results that have not yet been sent from the databasephp mongocommandcursor gets information about the cursor s creation and iterationphp mongocommandcursor returns the current result s index within the result setphp mongocommandcursor advances the cursor to the next resultphp mongocommandcursor executes the command and resets the cursor to the start of the result setphp mongocommandcursor checks if the cursor is reading a valid resultphp mongocursor checks if there are any more elements in this cursorphp mongocursor checks if the cursor is reading a valid resultphp mongodb driver cursor checks if the cursor may have additional resultsphp mongodb driver writeconcern checks if this is the default write concernphp reflectionfunctionabstract checks if the function has a specified return typephp solrdocument checks if the current position internally is still validphp tidynode checks if this node is jstephp tidynode checks if a node is php
关注编程学问公众号