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MongoDB\Driver\CursorId::__toString

(mongodb >=1.0.0)

MongoDB\Driver\CursorId::__toStringString representation of the cursor ID

说明

final public string MongoDB\Driver\CursorId::__toString ( void )

Returns the string representation of the cursor ID.

参数

此函数没有参数。

返回值

Returns the string representation of the cursor ID.

错误/异常

  • Throws MongoDB\Driver\Exception\InvalidArgumentException on argument parsing errors.

范例

Example #1 MongoDB\Driver\CursorId::__toString() example

<?php


$manager  = new  MongoDB \ Driver \ Manager ( "mongodb://localhost:27017" );
$query  = new  MongoDB \ Driver \ Query ([], [ 'batchSize'  =>  2 ]);

$bulk  = new  MongoDB \ Driver \ BulkWrite ;
$bulk -> insert ([ 'x'  =>  1 ]);
$bulk -> insert ([ 'x'  =>  2 ]);
$bulk -> insert ([ 'x'  =>  3 ]);
$manager -> executeBulkWrite ( 'db.collection' $bulk );

$cursor  $manager -> executeQuery ( 'db.collection' $query );
var_dump ((string)  $cursor -> getId ());

?>

以上例程的输出类似于:

string(11) "98061641158"

参见

  • MongoDB\Driver\Cursor::getId() - Returns the ID for this cursor
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