This function cannot be relied on to report errors since both a existence negative and a SQL error will report the same boolean value.
sqlsrv_has_rows
(No version information available, might only be in Git)
sqlsrv_has_rows — Indicates whether the specified statement has rows
戻り値
Returns true if the specified statement has rows and false if the statement
does not have rows or if an error occurred.
例
例1 sqlsrv_has_rows() example
<?php
$server = "serverName\sqlexpress";
$connectionInfo = array( "Database"=>"dbName", "UID"=>"username", "PWD"=>"password" );
$conn = sqlsrv_connect( $server, $connectionInfo );
$stmt = sqlsrv_query( $conn, "SELECT * FROM Table_1");
if ($stmt) {
$rows = sqlsrv_has_rows( $stmt );
if ($rows === true)
echo "There are rows. <br />";
else
echo "There are no rows. <br />";
}
?>参考
- sqlsrv_num_rows() - Retrieves the number of rows in a result set
- sqlsrv_query() - Prepares and executes a query
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