sqlsrv_fetch

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sqlsrv_fetch — Makes the next row in a result set available for reading

说明

sqlsrv_fetch(resource $stmt, int $row = ?, int $offset = ?): mixed

Makes the next row in a result set available for reading. Use sqlsrv_get_field() to read the fields of the row.

参数

stmt

A statement resource created by executing sqlsrv_query() or sqlsrv_execute().

row

The row to be accessed. This parameter can only be used if the specified statement was prepared with a scrollable cursor. In that case, this parameter can take on one of the following values:

SQLSRV_SCROLL_NEXT
SQLSRV_SCROLL_PRIOR
SQLSRV_SCROLL_FIRST
SQLSRV_SCROLL_LAST
SQLSRV_SCROLL_ABSOLUTE
SQLSRV_SCROLL_RELATIVE

offset

Specifies the row to be accessed if the row parameter is set to SQLSRV_SCROLL_ABSOLUTE or SQLSRV_SCROLL_RELATIVE. Note that the first row in a result set has index 0.

返回值

Returns true if the next row of a result set was successfully retrieved, false if an error occurs, and null if there are no more rows in the result set.

范例

示例 #1 sqlsrv_fetch() example

The following example demonstrates how to retrieve a row with sqlsrv_fetch() and get the row fields with sqlsrv_get_field().


<?php
$serverName = "serverName\sqlexpress";
$connectionInfo = array( "Database"=>"dbName", "UID"=>"username", "PWD"=>"password");
$conn = sqlsrv_connect( $serverName, $connectionInfo);
if( $conn === false ) {
     die( print_r( sqlsrv_errors(), true));
}

$sql = "SELECT Name, Comment 
        FROM Table_1
        WHERE ReviewID=1";
$stmt = sqlsrv_query( $conn, $sql);
if( $stmt === false ) {
     die( print_r( sqlsrv_errors(), true));
}

// Make the first (and in this case, only) row of the result set available for reading.
if( sqlsrv_fetch( $stmt ) === false) {
     die( print_r( sqlsrv_errors(), true));
}

// Get the row fields. Field indices start at 0 and must be retrieved in order.
// Retrieving row fields by name is not supported by sqlsrv_get_field.
$name = sqlsrv_get_field( $stmt, 0);
echo "$name: ";

$comment = sqlsrv_get_field( $stmt, 1);
echo $comment;
?>

参见

sqlsrv_get_field() - Gets field data from the currently selected row
sqlsrv_fetch_array() - Returns a row as an array
sqlsrv_fetch_object() - Retrieves the next row of data in a result set as an object

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官方地址：https://www.php.net/manual/en/function.sqlsrv-fetch.php

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sqlsrv_fetch

说明

参数

返回值

范例

参见

User Contributed Notes