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PDO->lastInsertId()

Returns the ID of the last inserted row or sequence value ()

PDO {
  string lastInsertId(string name);
}

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 you to specify the name of a sequence object for the name parameter.

Note:

This method may not return a meaningful or consistent result across different PDO drivers, because the underlying database may not even support the notion of auto-increment fields or sequences.

Parameters

name

Name of the sequence object from which the ID should be returned.

Return Values

If a sequence name was not specified for the name parameter, PDO->lastInsertId() returns a string representing the row ID of the last row that was inserted into the database.

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

If the PDO driver does not support this capability, PDO->lastInsertId() triggers an IM001 SQLSTATE.