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PDO::lastInsertId

PHP PDO Reference Manual

PDO::lastInsertId — Returns the ID of the last inserted row or sequence value (PHP 5 >= 5.1.0, PECL pdo >= 0.1.0)


Description

Syntax

string PDO::lastInsertId ([ string $name = NULL ] )

Returns the ID of the last inserted row, or the last value from a sequence object, depending on the underlying driver. For example, PDO_PGSQL requires the name parameter to specify the name of the sequence object.

Note: This method may not return a meaningful or consistent result across different PDO drivers, as the underlying database may not support the concept of auto-increment fields or sequences.


Parameters

name


Return Value

If no sequence name is specified for the name parameter, PDO::lastInsertId() returns a string representing the ID of the last inserted row in the database.

If a sequence name is specified for the name parameter, PDO::lastInsertId() returns a string representing the last value retrieved from the specified sequence object.

If the current PDO driver does not support this functionality, PDO::lastInsertId() triggers an IM001 SQLSTATE.

PHP PDO Reference Manual

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