Description:
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From manual page: http://www.php.net/function.sqlsrv-rows-affected%23Description
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I can read in the manual that sqlsrv_rows_affected will return the number of affected rows, 0 if none, or -1 is undeterminate, or False if an error occured.
So I expected to see "int" as the return type in the prototype (refering for example to mysql_affected_rows which is quite similar) but it is "mixed".

Expected result:
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int sqlsrv_rows_affected ( resource $stmt )

Actual result:
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mixed sqlsrv_rows_affected ( resource $stmt )