Php/docs/function.sqlsrv-has-rows

• PHP Manual
• SQLSRV 函数
• Indicates whether the specified statement has rows

sqlsrv_has_rows

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sqlsrv_has_rows — Indicates whether the specified statement has rows

说明

sqlsrv_has_rows ( resource $stmt ) : bool

Indicates whether the specified statement has rows.

参数

stmt

A statement resource returned by sqlsrv_query() or sqlsrv_execute().

返回值

Returns true if the specified statement has rows and false if the statement does not have rows or if an error occurred.

范例

Example #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 />";}?>

参见

• sqlsrv_num_rows() - Retrieves the number of rows in a result set
• sqlsrv_query() - Prepares and executes a query