mysqli_affected_rows
(PHP 5)
mysqli_affected_rows(no version information, might be only in CVS)
mysqli->affected_rows -- Gets the number of affected rows in a previous MySQL operationOpis
Procedural style:
int mysqli_affected_rows ( mysqli link )Object oriented style (property):
class mysqli {int affected_rows
}
Returns the number of rows affected by the last INSERT, UPDATE, REPLACE or DELETE query.
This function only works with queries which modify a table. In order to return the number of rows from a SELECT query, use the mysqli_num_rows() function instead.
Parametry
link
Procedural style only: A link identifier returned by mysqli_connect() or mysqli_init()
Zwracane wartości
An integer greater than zero indicates the number of rows affected or retrieved. Zero indicates that no records where updated for an UPDATE statement, no rows matched the WHERE clause in the query or that no query has yet been executed. -1 indicates that the query returned an error.
Notatka: If the number of affected rows is greater than maximal int value, the number of affected rows will be returned as a string.
Przykłady
Przykład 2. Procedural style
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Powyższy przykład wyświetli:
Affected rows (INSERT): 984 Affected rows (UPDATE): 168 Affected rows (DELETE): 815 Affected rows (SELECT): 169 |
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